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yacy_search_server/source/net/yacy/search/schema/CollectionConfiguration.java

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/**
* CollectionConfiguration
* Copyright 2011 by Michael Peter Christen
* First released 14.04.2011 at http://yacy.net
*
* $LastChangedDate: 2011-04-14 22:05:04 +0200 (Do, 14 Apr 2011) $
* $LastChangedRevision: 7654 $
* $LastChangedBy: orbiter $
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
package net.yacy.search.schema;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
import net.yacy.cora.document.analysis.Classification;
import net.yacy.cora.document.analysis.Classification.ContentDomain;
import net.yacy.cora.document.analysis.EnhancedTextProfileSignature;
import net.yacy.cora.document.encoding.ASCII;
import net.yacy.cora.document.id.AnchorURL;
import net.yacy.cora.document.id.DigestURL;
import net.yacy.cora.document.id.MultiProtocolURL;
import net.yacy.cora.federate.solr.FailType;
import net.yacy.cora.federate.solr.ProcessType;
import net.yacy.cora.federate.solr.Ranking;
import net.yacy.cora.federate.solr.SchemaConfiguration;
import net.yacy.cora.federate.solr.SchemaDeclaration;
import net.yacy.cora.federate.solr.connector.AbstractSolrConnector;
import net.yacy.cora.federate.solr.connector.SolrConnector;
import net.yacy.cora.federate.solr.connector.SolrConnector.LoadTimeURL;
import net.yacy.cora.federate.solr.logic.BooleanLiteral;
import net.yacy.cora.federate.solr.logic.CatchallLiteral;
import net.yacy.cora.federate.solr.logic.Conjunction;
import net.yacy.cora.federate.solr.logic.Disjunction;
import net.yacy.cora.federate.solr.logic.LongLiteral;
import net.yacy.cora.federate.solr.logic.Negation;
import net.yacy.cora.federate.solr.logic.StringLiteral;
import net.yacy.cora.order.Base64Order;
import net.yacy.cora.protocol.Domains;
import net.yacy.cora.protocol.HeaderFramework;
import net.yacy.cora.protocol.ResponseHeader;
import net.yacy.cora.sorting.ClusteredScoreMap;
import net.yacy.cora.sorting.ReversibleScoreMap;
import net.yacy.cora.storage.HandleSet;
import net.yacy.cora.util.CommonPattern;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.cora.util.SpaceExceededException;
import net.yacy.crawler.retrieval.Response;
import net.yacy.document.Condenser;
import net.yacy.document.Document;
import net.yacy.document.ProbabilisticClassifier;
import net.yacy.document.SentenceReader;
import net.yacy.document.Tokenizer;
import net.yacy.document.content.DCEntry;
import net.yacy.document.parser.html.ContentScraper;
import net.yacy.document.parser.html.ImageEntry;
import net.yacy.kelondro.data.citation.CitationReference;
import net.yacy.kelondro.data.meta.URIMetadataNode;
import net.yacy.kelondro.index.RowHandleMap;
import net.yacy.kelondro.rwi.ReferenceContainer;
import net.yacy.kelondro.util.Bitfield;
import net.yacy.kelondro.util.MemoryControl;
import net.yacy.search.index.Segment;
import net.yacy.search.index.Segment.ReferenceReport;
import net.yacy.search.index.Segment.ReferenceReportCache;
import net.yacy.search.query.QueryParams;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.common.SolrInputField;
import org.eclipse.jetty.util.ConcurrentHashSet;
public class CollectionConfiguration extends SchemaConfiguration implements Serializable {
private static final long serialVersionUID=-499100932212840385L;
public static boolean UNIQUE_HEURISTIC_PREFER_HTTPS = false;
public static boolean UNIQUE_HEURISTIC_PREFER_WWWPREFIX = true;
private final ArrayList<Ranking> rankings;
/**
* initialize the schema with a given configuration file
* the configuration file simply contains a list of lines with keywords
* or keyword = value lines (while value is a custom Solr field name
* @param configurationFile
* @throws IOException
*/
public CollectionConfiguration(final File configurationFile, final boolean lazy) throws IOException {
super(configurationFile);
super.lazy = lazy;
this.rankings = new ArrayList<Ranking>(4);
for (int i = 0; i <= 3; i++) rankings.add(new Ranking());
// check consistency: compare with YaCyField enum
if (this.isEmpty()) return;
Iterator<Entry> it = this.entryIterator();
for (SchemaConfiguration.Entry etr = it.next(); it.hasNext(); etr = it.next()) {
try {
CollectionSchema f = CollectionSchema.valueOf(etr.key());
f.setSolrFieldName(etr.getValue());
} catch (final IllegalArgumentException e) {
ConcurrentLog.fine("SolrCollectionWriter", "solr schema file " + configurationFile.getAbsolutePath() + " defines unknown attribute '" + etr.toString() + "'");
it.remove();
}
}
// check consistency the other way: look if all enum constants in SolrField appear in the configuration file
for (CollectionSchema field: CollectionSchema.values()) {
if (this.get(field.name()) == null) {
if (CollectionSchema.author_sxt.getSolrFieldName().endsWith(field.name())) continue; // exception for this: that is a copy-field
if (CollectionSchema.coordinate_p_0_coordinate.getSolrFieldName().endsWith(field.name())) continue; // exception for this: automatically generated
if (CollectionSchema.coordinate_p_1_coordinate.getSolrFieldName().endsWith(field.name())) continue; // exception for this: automatically generated
ConcurrentLog.warn("SolrCollectionWriter", " solr schema file " + configurationFile.getAbsolutePath() + " is missing declaration for '" + field.name() + "'");
}
}
}
public String[] allFields() {
ArrayList<String> a = new ArrayList<>(this.size());
for (CollectionSchema f: CollectionSchema.values()) {
if (this.contains(f)) a.add(f.getSolrFieldName());
}
return a.toArray(new String[a.size()]);
}
public Ranking getRanking(final int idx) {
return this.rankings.get(idx % this.rankings.size()); // simply prevent out of bound exeption (& callers don't check for null)
}
/**
* @param name The name of the ranking to get.
* @return The corresponding Ranking-object.
*/
public Ranking getRanking(final String name) {
if (name == null) return null;
for (int i = 0; i < this.rankings.size(); i++) {
Ranking currentRanking = this.rankings.get(i);
if (name.equals(currentRanking.getName())) return currentRanking;
}
return null;
}
/**
* save configuration to file and update enum SolrFields
* @throws IOException
*/
@Override
public void commit() throws IOException {
try {
super.commit();
// make sure the enum SolrField.SolrFieldName is current
Iterator<Entry> it = this.entryIterator();
for (SchemaConfiguration.Entry etr = it.next(); it.hasNext(); etr = it.next()) {
try {
SchemaDeclaration f = CollectionSchema.valueOf(etr.key());
f.setSolrFieldName(etr.getValue());
} catch (final IllegalArgumentException e) {
continue;
}
}
} catch (final IOException e) {}
}
private final static Set<String> omitFields = new HashSet<String>(3);
static {
omitFields.add(CollectionSchema.author_sxt.getSolrFieldName());
omitFields.add(CollectionSchema.coordinate_p_0_coordinate.getSolrFieldName());
omitFields.add(CollectionSchema.coordinate_p_1_coordinate.getSolrFieldName());
}
public SolrInputDocument toSolrInputDocument(final SolrDocument doc) {
return toSolrInputDocument(doc, omitFields);
}
public SolrDocument toSolrDocument(final SolrInputDocument doc) {
return toSolrDocument(doc, omitFields);
}
/**
* add uri attributes to solr document
* @param doc
* @param allAttr
* @param digestURL
* @param doctype
* @return the normalized url
*/
public String addURIAttributes(final SolrInputDocument doc, final boolean allAttr, final DigestURL digestURL) {
add(doc, CollectionSchema.id, ASCII.String(digestURL.hash()));
if (allAttr || contains(CollectionSchema.host_id_s)) add(doc, CollectionSchema.host_id_s, digestURL.hosthash());
String us = digestURL.toNormalform(true);
add(doc, CollectionSchema.sku, us);
if (allAttr || contains(CollectionSchema.ip_s)) {
final InetAddress address = digestURL.getInetAddress();
if (address != null) add(doc, CollectionSchema.ip_s, address.getHostAddress());
}
String host = null;
if ((host = digestURL.getHost()) != null) {
String dnc = Domains.getDNC(host);
String subdomOrga = host.length() - dnc.length() <= 0 ? "" : host.substring(0, host.length() - dnc.length() - 1);
int p = subdomOrga.lastIndexOf('.');
String subdom = (p < 0) ? "" : subdomOrga.substring(0, p);
String orga = (p < 0) ? subdomOrga : subdomOrga.substring(p + 1);
if (allAttr || contains(CollectionSchema.host_s)) add(doc, CollectionSchema.host_s, host);
if (allAttr || contains(CollectionSchema.host_dnc_s)) add(doc, CollectionSchema.host_dnc_s, dnc);
if (allAttr || contains(CollectionSchema.host_organization_s)) add(doc, CollectionSchema.host_organization_s, orga);
if (allAttr || contains(CollectionSchema.host_organizationdnc_s)) add(doc, CollectionSchema.host_organizationdnc_s, orga + '.' + dnc);
if (allAttr || contains(CollectionSchema.host_subdomain_s)) add(doc, CollectionSchema.host_subdomain_s, subdom);
}
// path elements of link
String filename = digestURL.getFileName();
String extension = MultiProtocolURL.getFileExtension(filename);
String filenameStub = filename.toLowerCase().endsWith("." + extension) ? filename.substring(0, filename.length() - extension.length() - 1) : filename;
// remove possible jsession (or other url parm like "img.jpg;jsession=123")
// TODO: consider to implement ";jsession=123" check in getFileExtension()
if (extension.indexOf(';') >= 0) extension = extension.substring(0,extension.indexOf(';'));
if (allAttr || contains(CollectionSchema.url_chars_i)) add(doc, CollectionSchema.url_chars_i, us.length());
if (allAttr || contains(CollectionSchema.url_protocol_s)) add(doc, CollectionSchema.url_protocol_s, digestURL.getProtocol());
if (allAttr || contains(CollectionSchema.url_paths_sxt) || contains(CollectionSchema.url_paths_count_i)) {
String[] paths = digestURL.getPaths();
if (allAttr || contains(CollectionSchema.url_paths_count_i)) add(doc, CollectionSchema.url_paths_count_i, paths.length);
if (allAttr || contains(CollectionSchema.url_paths_sxt)) add(doc, CollectionSchema.url_paths_sxt, paths);
}
if (allAttr || contains(CollectionSchema.url_file_name_s)) add(doc, CollectionSchema.url_file_name_s, filenameStub);
if (allAttr || contains(CollectionSchema.url_file_name_tokens_t)) add(doc, CollectionSchema.url_file_name_tokens_t, MultiProtocolURL.toTokens(filenameStub));
if (allAttr || contains(CollectionSchema.url_file_ext_s)) add(doc, CollectionSchema.url_file_ext_s, extension);
Map<String, String> searchpart = digestURL.getSearchpartMap();
if (searchpart == null) {
if (allAttr || contains(CollectionSchema.url_parameter_i)) add(doc, CollectionSchema.url_parameter_i, 0);
} else {
if (allAttr || contains(CollectionSchema.url_parameter_i)) add(doc, CollectionSchema.url_parameter_i, searchpart.size());
if (allAttr || contains(CollectionSchema.url_parameter_key_sxt)) add(doc, CollectionSchema.url_parameter_key_sxt, searchpart.keySet().toArray(new String[searchpart.size()]));
if (allAttr || contains(CollectionSchema.url_parameter_value_sxt)) add(doc, CollectionSchema.url_parameter_value_sxt, searchpart.values().toArray(new String[searchpart.size()]));
}
return us;
}
public SolrInputDocument metadata2solr(final URIMetadataNode md) {
SolrInputDocument doc = toSolrInputDocument(md); //urimetadatanode stores some values in private fields, add now to sorldocument
boolean allAttr = this.isEmpty();
addURIAttributes(doc, allAttr, md.url());
String title = md.dc_title();
if (allAttr || contains(CollectionSchema.title_count_i)) add(doc, CollectionSchema.title_count_i, 1);
if (allAttr || contains(CollectionSchema.title_chars_val)) {
Integer[] cv = new Integer[]{new Integer(title.length())};
add(doc, CollectionSchema.title_chars_val, cv);
}
if (allAttr || contains(CollectionSchema.title_words_val)) {
Integer[] cv = new Integer[]{new Integer(CommonPattern.SPACES.split(title).length)};
add(doc, CollectionSchema.title_words_val, cv);
}
String description = md.snippet();
boolean description_exist = description != null;
if (description == null) description = "";
if (allAttr || contains(CollectionSchema.description_txt)) add(doc, CollectionSchema.description_txt, description_exist ? new String[]{description} : new String[0]);
if (allAttr || contains(CollectionSchema.description_count_i)) add(doc, CollectionSchema.description_count_i, description_exist ? 1 : 0);
if (allAttr || contains(CollectionSchema.description_chars_val)) {
add(doc, CollectionSchema.description_chars_val, description_exist ? new Integer[]{new Integer(description.length())} : new Integer[0]);
}
if (allAttr || contains(CollectionSchema.description_words_val)) {
add(doc, CollectionSchema.description_words_val, description_exist ? new Integer[]{new Integer(description.length() == 0 ? 0 : CommonPattern.SPACES.split(description).length)} : new Integer[0]);
}
String keywords = md.dc_subject();
Bitfield flags = md.flags();
if (flags.get(Tokenizer.flag_cat_indexof)) {
if (keywords == null || keywords.isEmpty()) keywords = "indexof"; else {
if (keywords.indexOf(',') > 0) keywords += ", indexof"; else keywords += " indexof";
}
}
if (allAttr || contains(CollectionSchema.keywords)) {
add(doc, CollectionSchema.keywords, keywords);
}
if (allAttr || contains(CollectionSchema.imagescount_i)) add(doc, CollectionSchema.imagescount_i, md.limage());
if (allAttr || contains(CollectionSchema.linkscount_i)) add(doc, CollectionSchema.linkscount_i, md.llocal() + md.lother());
if (allAttr || contains(CollectionSchema.inboundlinkscount_i)) add(doc, CollectionSchema.inboundlinkscount_i, md.llocal());
if (allAttr || contains(CollectionSchema.outboundlinkscount_i)) add(doc, CollectionSchema.outboundlinkscount_i, md.lother());
if (allAttr || contains(CollectionSchema.charset_s)) add(doc, CollectionSchema.charset_s, "UTF-8");
// coordinates
if (md.lat() != 0.0 && md.lon() != 0.0) {
// i.e. from <meta name="geo.position" content="50.78;11.52" /> or <meta name="ICBM" content="52.50695, 13.328348">
if (allAttr || contains(CollectionSchema.coordinate_p)) {
add(doc, CollectionSchema.coordinate_p, Double.toString(md.lat()) + "," + Double.toString(md.lon()));
}
}
if (allAttr || contains(CollectionSchema.httpstatus_i)) add(doc, CollectionSchema.httpstatus_i, 200);
// fields that are in URIMetadataRow additional to yacy2solr basic requirement
if (allAttr || contains(CollectionSchema.audiolinkscount_i)) add(doc, CollectionSchema.audiolinkscount_i, md.laudio());
if (allAttr || contains(CollectionSchema.videolinkscount_i)) add(doc, CollectionSchema.videolinkscount_i, md.lvideo());
if (allAttr || contains(CollectionSchema.applinkscount_i)) add(doc, CollectionSchema.applinkscount_i, md.lapp());
if (allAttr || contains(CollectionSchema.text_t)) {
// construct the text from other metadata parts.
// This is necessary here since that is used to search the link when no other data (parsed text body) is available
StringBuilder sb = new StringBuilder(120);
// accText(sb, md.dc_title()); // default search field via getQueryFields(), not needed for snippet (always displayed)
// accText(sb, md.dc_creator()); // author is in Default ranking/getQueryFields
accText(sb, md.dc_publisher());
// accText(sb, md.snippet()); // above added to description_txt, default search field via getQueryFields(), description_txt incl. in snippet calculation
accText(sb, md.url().toTokens());
// accText(sb, keywords); // default search field via getQueryFields(), keywords not incl. in snippet calculation
add(doc, CollectionSchema.text_t, sb.toString());
}
return doc;
}
private static void accText(final StringBuilder sb, String text) {
if (text == null || text.length() == 0) return;
if (sb.length() != 0) sb.append(' ');
text = text.trim();
if (!text.isEmpty() && text.charAt(text.length() - 1) == '.') sb.append(text); else sb.append(text).append('.');
}
public static class Subgraph {
public final ArrayList<String>[] urlProtocols, urlStubs, urlAnchorTexts;
@SuppressWarnings("unchecked")
public Subgraph(int inboundSize, int outboundSize) {
this.urlProtocols = (ArrayList<String>[]) Array.newInstance(ArrayList.class, 2);
this.urlProtocols[0] = new ArrayList<String>(inboundSize);
this.urlProtocols[1] = new ArrayList<String>(outboundSize);
this.urlStubs = (ArrayList<String>[]) Array.newInstance(ArrayList.class, 2);
this.urlStubs[0] = new ArrayList<String>(inboundSize);
this.urlStubs[1] = new ArrayList<String>(outboundSize);
this.urlAnchorTexts = (ArrayList<String>[]) Array.newInstance(ArrayList.class, 2);
this.urlAnchorTexts[0] = new ArrayList<String>(inboundSize);
this.urlAnchorTexts[1] = new ArrayList<String>(outboundSize);
}
}
public static boolean enrichSubgraph(final Subgraph subgraph, final DigestURL source_url, AnchorURL target_url) {
final String text = target_url.getTextProperty(); // the text between the <a></a> tag
String source_host = source_url.getHost();
String target_host = target_url.getHost();
boolean inbound =
(source_host == null && target_host == null) ||
(source_host != null && target_host != null &&
(target_host.equals(source_host) ||
target_host.equals("www." + source_host) ||
source_host.equals("www." + target_host))); // well, not everybody defines 'outbound' that way but however, thats used here.
int ioidx = inbound ? 0 : 1;
subgraph.urlProtocols[ioidx].add(target_url.getProtocol());
subgraph.urlStubs[ioidx].add(target_url.urlstub(true, true));
subgraph.urlAnchorTexts[ioidx].add(text);
return inbound;
}
/**
* a SolrVector is a SolrInputDocument with the ability
* to store also the webgraph that is associated with
* the web document in the Solr document.
*/
public static class SolrVector extends SolrInputDocument {
private static final long serialVersionUID = -210901881471714939L;
private List<SolrInputDocument> webgraphDocuments;
public SolrVector() {
super();
this.webgraphDocuments = new ArrayList<SolrInputDocument>();
}
public void addWebgraphDocument(SolrInputDocument webgraphDocument) {
this.webgraphDocuments.add(webgraphDocument);
}
public List<SolrInputDocument> getWebgraphDocuments() {
return this.webgraphDocuments;
}
}
public SolrVector yacy2solr(
final Segment segment,
final Map<String, Pattern> collections, final ResponseHeader responseHeader,
final Document document, final Condenser condenser, final DigestURL referrerURL, final String language, final boolean setUnique,
final WebgraphConfiguration webgraph, final String sourceName) {
// we use the SolrCell design as index schema
SolrVector doc = new SolrVector();
final DigestURL digestURL = document.dc_source();
boolean allAttr = this.isEmpty();
String url = addURIAttributes(doc, allAttr, digestURL);
if (allAttr || contains(CollectionSchema.content_type)) add(doc, CollectionSchema.content_type, new String[]{document.dc_format()});
Set<ProcessType> processTypes = new LinkedHashSet<ProcessType>();
String host = digestURL.getHost();
int crawldepth = document.getDepth();
if ((allAttr || contains(CollectionSchema.crawldepth_i))) {
CollectionSchema.crawldepth_i.add(doc, crawldepth);
}
if (allAttr || (contains(CollectionSchema.cr_host_chance_d) && contains(CollectionSchema.cr_host_count_i) && contains(CollectionSchema.cr_host_norm_i))) {
processTypes.add(ProcessType.CITATION); // postprocessing needed
}
if (allAttr || contains(CollectionSchema.collection_sxt) && collections != null && collections.size() > 0) {
List<String> cs = new ArrayList<String>();
for (Map.Entry<String, Pattern> e: collections.entrySet()) {
if (e.getValue().matcher(url).matches()) cs.add(e.getKey());
}
add(doc, CollectionSchema.collection_sxt, cs);
}
char doctype = Response.docType(responseHeader== null ? null : responseHeader.getContentType()); // null returns DT_UNKNOWN
List<String> titles = document.titles();
if (allAttr || contains(CollectionSchema.title)) {
if (doctype == Response.DT_IMAGE || doctype == Response.DT_AUDIO || doctype == Response.DT_MOVIE) {
String mediatitle = responseHeader.get(HeaderFramework.X_YACY_MEDIA_TITLE, "");
if (mediatitle.length() > 0) {
if (titles.size() == 0) titles.add(mediatitle); else titles.set(0, mediatitle);
}
}
add(doc, CollectionSchema.title, titles);
if ((allAttr || contains(CollectionSchema.title_exact_signature_l)) && titles.size() > 0) {
add(doc, CollectionSchema.title_exact_signature_l, EnhancedTextProfileSignature.getSignatureLong(titles.get(0)));
}
}
if (allAttr || contains(CollectionSchema.title_count_i)) add(doc, CollectionSchema.title_count_i, titles.size());
if (allAttr || contains(CollectionSchema.title_chars_val)) {
ArrayList<Integer> cv = new ArrayList<Integer>(titles.size());
for (String s: titles) cv.add(new Integer(s.length()));
add(doc, CollectionSchema.title_chars_val, cv);
}
if (allAttr || contains(CollectionSchema.title_words_val)) {
ArrayList<Integer> cv = new ArrayList<Integer>(titles.size());
for (String s: titles) cv.add(new Integer(CommonPattern.SPACES.split(s).length));
add(doc, CollectionSchema.title_words_val, cv);
}
String[] descriptions = document.dc_description();
if (allAttr || contains(CollectionSchema.description_txt)) {
add(doc, CollectionSchema.description_txt, descriptions);
if ((allAttr || contains(CollectionSchema.description_exact_signature_l)) && descriptions != null && descriptions.length > 0) {
add(doc, CollectionSchema.description_exact_signature_l, EnhancedTextProfileSignature.getSignatureLong(descriptions));
}
}
if (allAttr || contains(CollectionSchema.description_count_i)) add(doc, CollectionSchema.description_count_i, descriptions.length);
if (allAttr || contains(CollectionSchema.description_chars_val)) {
ArrayList<Integer> cv = new ArrayList<Integer>(descriptions.length);
for (String s: descriptions) cv.add(new Integer(s.length()));
add(doc, CollectionSchema.description_chars_val, cv);
}
if (allAttr || contains(CollectionSchema.description_words_val)) {
ArrayList<Integer> cv = new ArrayList<Integer>(descriptions.length);
for (String s: descriptions) cv.add(new Integer(CommonPattern.SPACES.split(s).length));
add(doc, CollectionSchema.description_words_val, cv);
}
if (allAttr || contains(CollectionSchema.author)) {
String author = document.dc_creator();
if (author == null || author.length() == 0) author = document.dc_publisher();
add(doc, CollectionSchema.author, author);
}
if (allAttr || contains(CollectionSchema.last_modified)) {
Date lastModified = responseHeader == null ? new Date() : responseHeader.lastModified();
if (lastModified == null) lastModified = new Date();
if (document.getLastModified().before(lastModified)) lastModified = document.getLastModified();
long firstSeen = segment.getFirstSeenTime(digestURL.hash());
if (firstSeen > 0 && firstSeen < lastModified.getTime()) lastModified = new Date(firstSeen); // patch the date if we have seen the document earlier
add(doc, CollectionSchema.last_modified, lastModified);
}
if (allAttr || contains(CollectionSchema.dates_in_content_dts) || contains(CollectionSchema.dates_in_content_count_i)) {
LinkedHashSet<Date> dates_in_content = condenser.dates_in_content;
if (allAttr || contains(CollectionSchema.dates_in_content_count_i)) {
add(doc, CollectionSchema.dates_in_content_count_i, dates_in_content.size());
}
if (dates_in_content.size() > 0 && (allAttr || contains(CollectionSchema.dates_in_content_dts))) {
add(doc, CollectionSchema.dates_in_content_dts, dates_in_content.toArray(new Date[dates_in_content.size()]));
}
}
if (allAttr || contains(CollectionSchema.keywords)) {
String keywords = document.dc_subject(' ');
if (doctype == Response.DT_IMAGE || doctype == Response.DT_AUDIO || doctype == Response.DT_MOVIE) {
keywords = responseHeader.get(HeaderFramework.X_YACY_MEDIA_KEYWORDS, keywords);
}
add(doc, CollectionSchema.keywords, keywords);
}
// unique-fields; these values must be corrected during postprocessing. (the following logic is !^ (not-xor) but I prefer to write it that way as it is)
add(doc, CollectionSchema.http_unique_b, setUnique || UNIQUE_HEURISTIC_PREFER_HTTPS ? digestURL.isHTTPS() : digestURL.isHTTP()); // this must be corrected afterwards during storage!
add(doc, CollectionSchema.www_unique_b, setUnique || host != null && (UNIQUE_HEURISTIC_PREFER_WWWPREFIX ? host.startsWith("www.") : !host.startsWith("www."))); // this must be corrected afterwards during storage!
add(doc, CollectionSchema.exact_signature_l, condenser.exactSignature());
add(doc, CollectionSchema.exact_signature_unique_b, true); // this must be corrected afterwards during storage!
add(doc, CollectionSchema.exact_signature_copycount_i, 0); // this must be corrected afterwards during postprocessing!
add(doc, CollectionSchema.fuzzy_signature_l, condenser.fuzzySignature());
add(doc, CollectionSchema.fuzzy_signature_text_t, condenser.fuzzySignatureText());
add(doc, CollectionSchema.fuzzy_signature_unique_b, true); // this must be corrected afterwards during storage!
add(doc, CollectionSchema.fuzzy_signature_copycount_i, 0); // this must be corrected afterwards during postprocessing!
if (this.contains(CollectionSchema.exact_signature_unique_b) || this.contains(CollectionSchema.exact_signature_copycount_i) ||
this.contains(CollectionSchema.fuzzy_signature_l) || this.contains(CollectionSchema.fuzzy_signature_copycount_i) ||
this.contains(CollectionSchema.http_unique_b) || this.contains(CollectionSchema.www_unique_b)) {
processTypes.add(ProcessType.UNIQUE);
}
// get list of all links; they will be shrinked by urls that appear in other fields of the solr schema
LinkedHashMap<DigestURL,String> inboundLinks = document.inboundLinks();
LinkedHashMap<DigestURL,String> outboundLinks = document.outboundLinks();
Subgraph subgraph = new Subgraph(inboundLinks.size(), outboundLinks.size());
int c = 0;
final Object parser = document.getParserObject();
boolean containsCanonical = false;
DigestURL canonical = null;
if (parser instanceof ContentScraper) {
final ContentScraper html = (ContentScraper) parser;
List<ImageEntry> images = html.getImages();
// header tags
int h = 0;
int f = 1;
String[] hs;
hs = html.getHeadlines(1); h = h | (hs.length > 0 ? f : 0); f = f * 2; add(doc, CollectionSchema.h1_txt, hs); add(doc, CollectionSchema.h1_i, hs.length);
hs = html.getHeadlines(2); h = h | (hs.length > 0 ? f : 0); f = f * 2; add(doc, CollectionSchema.h2_txt, hs); add(doc, CollectionSchema.h2_i, hs.length);
hs = html.getHeadlines(3); h = h | (hs.length > 0 ? f : 0); f = f * 2; add(doc, CollectionSchema.h3_txt, hs); add(doc, CollectionSchema.h3_i, hs.length);
hs = html.getHeadlines(4); h = h | (hs.length > 0 ? f : 0); f = f * 2; add(doc, CollectionSchema.h4_txt, hs); add(doc, CollectionSchema.h4_i, hs.length);
hs = html.getHeadlines(5); h = h | (hs.length > 0 ? f : 0); f = f * 2; add(doc, CollectionSchema.h5_txt, hs); add(doc, CollectionSchema.h5_i, hs.length);
hs = html.getHeadlines(6); h = h | (hs.length > 0 ? f : 0); f = f * 2; add(doc, CollectionSchema.h6_txt, hs); add(doc, CollectionSchema.h6_i, hs.length);
add(doc, CollectionSchema.htags_i, h);
add(doc, CollectionSchema.schema_org_breadcrumb_i, html.breadcrumbCount());
// meta tags: Open Graph properties
String og;
og = html.getMetas().get("og:title"); if (og != null) add(doc, CollectionSchema.opengraph_title_t, og);
og = html.getMetas().get("og:type"); if (og != null) add(doc, CollectionSchema.opengraph_type_s, og);
og = html.getMetas().get("og:url"); if (og != null) add(doc, CollectionSchema.opengraph_url_s, og);
og = html.getMetas().get("og:image"); if (og != null) add(doc, CollectionSchema.opengraph_image_s, og);
// noindex and nofollow attributes
// from HTML (meta-tag in HTML header: robots)
// and HTTP header (X-Robots-Tag property)
// coded as binary value:
// bit 0: "all" contained in html header meta
// bit 1: "index" contained in html header meta
// bit 2: "follow" contained in html header meta
// bit 3: "noindex" contained in html header meta
// bit 4: "nofollow" contained in html header meta
// bit 5: "noarchive" contained in html header meta
// bit 8: "all" contained in http header X-Robots-Tag
// bit 9: "noindex" contained in http header X-Robots-Tag
// bit 10: "nofollow" contained in http header X-Robots-Tag
// bit 11: "noarchive" contained in http header X-Robots-Tag
// bit 12: "nosnippet" contained in http header X-Robots-Tag
// bit 13: "noodp" contained in http header X-Robots-Tag
// bit 14: "notranslate" contained in http header X-Robots-Tag
// bit 15: "noimageindex" contained in http header X-Robots-Tag
// bit 16: "unavailable_after" contained in http header X-Robots-Tag
int b = 0;
String robots_meta = html.getMetas().get("robots");
// this tag may have values: all, index, noindex, nofollow; see http://www.robotstxt.org/meta.html
if (robots_meta != null) {
robots_meta = robots_meta.toLowerCase();
if (robots_meta.indexOf("all",0) >= 0) b += 1; // set bit 0
if (robots_meta.indexOf("index",0) == 0 || robots_meta.indexOf(" index",0) >= 0 || robots_meta.indexOf(",index",0) >= 0 ) b += 2; // set bit 1
if (robots_meta.indexOf("follow",0) == 0 || robots_meta.indexOf(" follow",0) >= 0 || robots_meta.indexOf(",follow",0) >= 0 ) b += 4; // set bit 2
if (robots_meta.indexOf("noindex",0) >= 0) b += 8; // set bit 3
if (robots_meta.indexOf("nofollow",0) >= 0) b += 16; // set bit 4
if (robots_meta.indexOf("noarchive",0) >= 0) b += 32; // set bit 5
}
String x_robots_tag = responseHeader == null ? "" : responseHeader.getXRobotsTag();
if (!x_robots_tag.isEmpty()) {
// this tag may have values: all, noindex, nofollow, noarchive, nosnippet, noodp, notranslate, noimageindex, unavailable_after, none; see https://developers.google.com/webmasters/control-crawl-index/docs/robots_meta_tag?hl=de
if (x_robots_tag.indexOf("all",0) >= 0) b += 1<<8; // set bit 8
if (x_robots_tag.indexOf("noindex",0) >= 0||x_robots_tag.indexOf("none",0) >= 0) b += 1<<9; // set bit 9
if (x_robots_tag.indexOf("nofollow",0) >= 0||x_robots_tag.indexOf("none",0) >= 0) b += 1<<10; // set bit 10
if (x_robots_tag.indexOf("noarchive",0) >= 0) b += 1<<11; // set bit 11
if (x_robots_tag.indexOf("nosnippet",0) >= 0) b += 1<<12; // set bit 12
if (x_robots_tag.indexOf("noodp",0) >= 0) b += 1<<13; // set bit 13
if (x_robots_tag.indexOf("notranslate",0) >= 0) b += 1<<14; // set bit 14
if (x_robots_tag.indexOf("noimageindex",0) >= 0) b += 1<<15; // set bit 15
if (x_robots_tag.indexOf("unavailable_after",0) >= 0) b += 1<<16; // set bit 16
}
add(doc, CollectionSchema.robots_i, b);
// meta tags: generator
final String generator = html.getMetas().get("generator");
if (generator != null) add(doc, CollectionSchema.metagenerator_t, generator);
// bold, italic
final String[] bold = html.getBold();
add(doc, CollectionSchema.boldcount_i, bold.length);
if (bold.length > 0) {
add(doc, CollectionSchema.bold_txt, bold);
if (allAttr || contains(CollectionSchema.bold_val)) {
add(doc, CollectionSchema.bold_val, html.getBoldCount(bold));
}
}
final String[] italic = html.getItalic();
add(doc, CollectionSchema.italiccount_i, italic.length);
if (italic.length > 0) {
add(doc, CollectionSchema.italic_txt, italic);
if (allAttr || contains(CollectionSchema.italic_val)) {
add(doc, CollectionSchema.italic_val, html.getItalicCount(italic));
}
}
final String[] underline = html.getUnderline();
add(doc, CollectionSchema.underlinecount_i, underline.length);
if (underline.length > 0) {
add(doc, CollectionSchema.underline_txt, underline);
if (allAttr || contains(CollectionSchema.underline_val)) {
add(doc, CollectionSchema.underline_val, html.getUnderlineCount(underline));
}
}
final String[] li = html.getLi();
add(doc, CollectionSchema.licount_i, li.length);
if (li.length > 0) add(doc, CollectionSchema.li_txt, li);
final String[] dt = html.getDt();
add(doc, CollectionSchema.dtcount_i, dt.length);
if (dt.length > 0) add(doc, CollectionSchema.dt_txt, dt);
final String[] dd = html.getDd();
add(doc, CollectionSchema.ddcount_i, dd.length);
if (dd.length > 0) add(doc, CollectionSchema.dd_txt, dd);
final List<Date> startDates = html.getStartDates();
if (startDates.size() > 0) add(doc, CollectionSchema.startDates_dts, startDates.toArray(new Date[startDates.size()]));
final List<Date> endDates = html.getStartDates();
if (endDates.size() > 0) add(doc, CollectionSchema.endDates_dts, endDates.toArray(new Date[endDates.size()]));
final List<String> articles = html.getArticles();
add(doc, CollectionSchema.articlecount_i, articles.size());
if (articles.size() > 0) add(doc, CollectionSchema.article_txt, articles);
// images
final ArrayList<String> imgprots = new ArrayList<String>(images.size());
final Integer[] imgheights = new Integer[images.size()];
final Integer[] imgwidths = new Integer[images.size()];
final Integer[] imgpixels = new Integer[images.size()];
final String[] imgstubs = new String[images.size()];
final String[] imgalts = new String[images.size()];
int withalt = 0;
int i = 0;
LinkedHashSet<String> images_text_map = new LinkedHashSet<String>();
for (final ImageEntry ie: images) {
final MultiProtocolURL uri = ie.url();
inboundLinks.remove(uri);
outboundLinks.remove(uri);
imgheights[i] = ie.height();
imgwidths[i] = ie.width();
imgpixels[i] = ie.height() < 0 || ie.width() < 0 ? -1 : ie.height() * ie.width();
String protocol = uri.getProtocol();
imgprots.add(protocol);
imgstubs[i] = uri.toString().substring(protocol.length() + 3);
imgalts[i] = ie.alt();
for (String it: CommonPattern.SPACE.split(uri.toTokens())) images_text_map.add(it);
if (ie.alt() != null && ie.alt().length() > 0) {
SentenceReader sr = new SentenceReader(ie.alt());
while (sr.hasNext()) images_text_map.add(sr.next().toString());
withalt++;
}
i++;
}
StringBuilder images_text = new StringBuilder(images_text_map.size() * 6 + 1);
for (String s: images_text_map) images_text.append(s.trim()).append(' ');
if (allAttr || contains(CollectionSchema.imagescount_i)) add(doc, CollectionSchema.imagescount_i, images.size());
if (allAttr || contains(CollectionSchema.images_protocol_sxt)) add(doc, CollectionSchema.images_protocol_sxt, protocolList2indexedList(imgprots));
if (allAttr || contains(CollectionSchema.images_urlstub_sxt)) add(doc, CollectionSchema.images_urlstub_sxt, imgstubs);
if (allAttr || contains(CollectionSchema.images_alt_sxt)) add(doc, CollectionSchema.images_alt_sxt, imgalts);
if (allAttr || contains(CollectionSchema.images_height_val)) add(doc, CollectionSchema.images_height_val, imgheights);
if (allAttr || contains(CollectionSchema.images_width_val)) add(doc, CollectionSchema.images_width_val, imgwidths);
if (allAttr || contains(CollectionSchema.images_pixel_val)) add(doc, CollectionSchema.images_pixel_val, imgpixels);
if (allAttr || contains(CollectionSchema.images_withalt_i)) add(doc, CollectionSchema.images_withalt_i, withalt);
if (allAttr || contains(CollectionSchema.images_text_t)) add(doc, CollectionSchema.images_text_t, images_text.toString().trim());
// style sheets
if (allAttr || contains(CollectionSchema.css_tag_sxt)) {
final Map<DigestURL, String> csss = html.getCSS();
final String[] css_tag = new String[csss.size()];
final String[] css_url = new String[csss.size()];
c = 0;
for (final Map.Entry<DigestURL, String> entry: csss.entrySet()) {
final String cssurl = entry.getKey().toNormalform(false);
inboundLinks.remove(entry.getKey());
outboundLinks.remove(entry.getKey());
css_tag[c] =
"<link rel=\"stylesheet\" type=\"text/css\" media=\"" + entry.getValue() + "\"" +
" href=\""+ cssurl + "\" />";
css_url[c] = cssurl;
c++;
}
add(doc, CollectionSchema.csscount_i, css_tag.length);
if (css_tag.length > 0) add(doc, CollectionSchema.css_tag_sxt, css_tag);
if (css_url.length > 0) add(doc, CollectionSchema.css_url_sxt, css_url);
}
// Scripts
if (allAttr || contains(CollectionSchema.scripts_sxt)) {
final Set<AnchorURL> scriptss = html.getScript();
final String[] scripts = new String[scriptss.size()];
c = 0;
for (final AnchorURL u: scriptss) {
inboundLinks.remove(u);
outboundLinks.remove(u);
scripts[c++] = u.toNormalform(false);
}
add(doc, CollectionSchema.scriptscount_i, scripts.length);
if (scripts.length > 0) add(doc, CollectionSchema.scripts_sxt, scripts);
}
// Frames
if (allAttr || contains(CollectionSchema.frames_sxt)) {
final Set<AnchorURL> framess = html.getFrames();
final String[] frames = new String[framess.size()];
c = 0;
for (final AnchorURL u: framess) {
inboundLinks.remove(u);
outboundLinks.remove(u);
frames[c++] = u.toNormalform(false);
}
add(doc, CollectionSchema.framesscount_i, frames.length);
if (frames.length > 0) {
add(doc, CollectionSchema.frames_sxt, frames);
//webgraph.addEdges(subgraph, digestURI, responseHeader, collections, crawldepth, alllinks, images, true, framess, citations); // add here because links have been removed from remaining inbound/outbound
}
}
// IFrames
if (allAttr || contains(CollectionSchema.iframes_sxt)) {
final Set<AnchorURL> iframess = html.getIFrames();
final String[] iframes = new String[iframess.size()];
c = 0;
for (final AnchorURL u: iframess) {
inboundLinks.remove(u);
outboundLinks.remove(u);
iframes[c++] = u.toNormalform(false);
}
add(doc, CollectionSchema.iframesscount_i, iframes.length);
if (iframes.length > 0) {
add(doc, CollectionSchema.iframes_sxt, iframes);
//webgraph.addEdges(subgraph, digestURI, responseHeader, collections, crawldepth, alllinks, images, true, iframess, citations); // add here because links have been removed from remaining inbound/outbound
}
}
// canonical tag
if (allAttr || contains(CollectionSchema.canonical_s)) {
canonical = html.getCanonical();
// if there is no canonical in the html then look into the http header:
if (canonical == null && responseHeader != null) {
String link = responseHeader.get("Link", null);
int p;
if (link != null && ((p = link.indexOf("rel=\"canonical\"")) > 0)) {
link = link.substring(0, p).trim();
p = link.indexOf('<');
int q = link.lastIndexOf('>');
if (p >= 0 && q > 0) {
link = link.substring(p + 1, q);
try {
canonical = new DigestURL(link);
} catch (MalformedURLException e) {}
}
}
}
if (canonical != null) {
containsCanonical = true;
inboundLinks.remove(canonical);
outboundLinks.remove(canonical);
add(doc, CollectionSchema.canonical_s, canonical.toNormalform(false));
// set a flag if this is equal to sku
if (contains(CollectionSchema.canonical_equal_sku_b)) {
add(doc, CollectionSchema.canonical_equal_sku_b, canonical.equals(digestURL));
}
}
}
// meta refresh tag
if (allAttr || contains(CollectionSchema.refresh_s)) {
String refresh = html.getRefreshPath();
if (refresh != null && refresh.length() > 0) {
MultiProtocolURL refreshURL;
try {
refreshURL = refresh.startsWith("http") ? new MultiProtocolURL(html.getRefreshPath()) : new MultiProtocolURL(digestURL, html.getRefreshPath());
if (refreshURL != null) {
inboundLinks.remove(refreshURL);
outboundLinks.remove(refreshURL);
add(doc, CollectionSchema.refresh_s, refreshURL.toNormalform(false));
}
} catch (final MalformedURLException e) {
add(doc, CollectionSchema.refresh_s, refresh);
}
}
}
// flash embedded
if (allAttr || contains(CollectionSchema.flash_b)) {
MultiProtocolURL[] flashURLs = html.getFlash();
for (MultiProtocolURL u: flashURLs) {
// remove all flash links from ibound/outbound links
inboundLinks.remove(u);
outboundLinks.remove(u);
}
add(doc, CollectionSchema.flash_b, flashURLs.length > 0);
}
// generic evaluation pattern
for (final String model: html.getEvaluationModelNames()) {
if (allAttr || contains("ext_" + model + "_txt")) {
final String[] scorenames = html.getEvaluationModelScoreNames(model);
if (scorenames.length > 0) {
add(doc, CollectionSchema.valueOf("ext_" + model + "_txt"), scorenames);
add(doc, CollectionSchema.valueOf("ext_" + model + "_val"), html.getEvaluationModelScoreCounts(model, scorenames));
}
}
}
// response time
add(doc, CollectionSchema.responsetime_i, responseHeader == null ? 0 : Integer.parseInt(responseHeader.get(HeaderFramework.RESPONSE_TIME_MILLIS, "0")));
// hreflang link tag, see http://support.google.com/webmasters/bin/answer.py?hl=de&answer=189077
if (allAttr || (contains(CollectionSchema.hreflang_url_sxt) && contains(CollectionSchema.hreflang_cc_sxt))) {
final String[] ccs = new String[html.getHreflang().size()];
final String[] urls = new String[html.getHreflang().size()];
c = 0;
for (Map.Entry<String, DigestURL> e: html.getHreflang().entrySet()) {
ccs[c] = e.getKey();
urls[c] = e.getValue().toNormalform(true);
c++;
}
add(doc, CollectionSchema.hreflang_cc_sxt, ccs);
add(doc, CollectionSchema.hreflang_url_sxt, urls);
}
// page navigation url, see http://googlewebmastercentral.blogspot.de/2011/09/pagination-with-relnext-and-relprev.html
if (allAttr || (contains(CollectionSchema.navigation_url_sxt) && contains(CollectionSchema.navigation_type_sxt))) {
final String[] navs = new String[html.getNavigation().size()];
final String[] urls = new String[html.getNavigation().size()];
c = 0;
for (Map.Entry<String, DigestURL> e: html.getNavigation().entrySet()) {
navs[c] = e.getKey();
urls[c] = e.getValue().toNormalform(true);
c++;
}
add(doc, CollectionSchema.navigation_type_sxt, navs);
add(doc, CollectionSchema.navigation_url_sxt, urls);
}
// publisher url as defined in http://support.google.com/plus/answer/1713826?hl=de
if (allAttr || contains(CollectionSchema.publisher_url_s) && html.getPublisherLink() != null) {
add(doc, CollectionSchema.publisher_url_s, html.getPublisherLink().toNormalform(true));
}
}
if (parser instanceof DCEntry) {
// the document was created with a surrogate parsing; overwrite all md: -entries to Solr
DCEntry dcentry = (DCEntry) parser;
for (Map.Entry<String, String[]> entry: dcentry.getMap().entrySet()) {
String tag = entry.getKey();
if (!tag.startsWith("md:") || tag.length() < 4) continue;
CollectionSchema solr_field = CollectionSchema.valueOf(tag.substring(3));
if (solr_field == null) continue;
String[] values = entry.getValue();
if (values == null || values.length == 0) continue;
if (allAttr || contains(solr_field)) {
add(doc, solr_field, values);
}
}
}
String content = document.getTextString();
String tokens = digestURL.toTokens();
if (content == null || content.length() == 0) {
content = tokens;
} else {
String[] t = CommonPattern.SPACE.split(tokens);
for (String r: t) {
if (r.length() > 0 &&
content.indexOf(" " + r + " ") < 0 &&
!content.startsWith(r + " ") &&
!content.endsWith(" " + r)) content += " " + r;
}
}
// handle image source meta data
if (document.getContentDomain() == ContentDomain.IMAGE) {
// add image pixel size if known
Iterator<ImageEntry> imgit = document.getImages().values().iterator();
List<Integer> heights = new ArrayList<>();
List<Integer> widths = new ArrayList<>();
List<Integer> pixels = new ArrayList<>();
while (imgit.hasNext()) {
ImageEntry img = imgit.next();
int imgpixels = (img.height() < 0 || img.width() < 0) ? -1 : img.height() * img.width();
if (imgpixels > 0 && (allAttr || (contains(CollectionSchema.images_height_val) && contains(CollectionSchema.images_width_val) && contains(CollectionSchema.images_pixel_val)))) {
heights.add(img.height());
widths.add(img.width());
pixels.add(imgpixels);
}
}
if (heights.size() > 0) {
add(doc, CollectionSchema.images_height_val, heights);
add(doc, CollectionSchema.images_width_val, widths);
add(doc, CollectionSchema.images_pixel_val, pixels);
}
if (allAttr || contains(CollectionSchema.images_text_t)) {
add(doc, CollectionSchema.images_text_t, content); // the content may contain the exif data from the image parser
content = digestURL.toTokens(); // remove all other entry but the url tokens
}
}
// content (must be written after special parser data, since this can influence the content)
if (allAttr || contains(CollectionSchema.text_t)) add(doc, CollectionSchema.text_t, content);
if (allAttr || contains(CollectionSchema.wordcount_i)) {
if (content.length() == 0) {
add(doc, CollectionSchema.wordcount_i, 0);
} else {
int contentwc = 1;
for (int i = content.length() - 1; i >= 0; i--) if (content.charAt(i) == ' ') contentwc++;
add(doc, CollectionSchema.wordcount_i, contentwc);
}
}
// statistics about the links
if (allAttr || contains(CollectionSchema.linkscount_i)) add(doc, CollectionSchema.linkscount_i, inboundLinks.size() + outboundLinks.size());
if (allAttr || contains(CollectionSchema.linksnofollowcount_i)) add(doc, CollectionSchema.linksnofollowcount_i, document.inboundLinkNofollowCount() + document.outboundLinkNofollowCount());
if (allAttr || contains(CollectionSchema.inboundlinkscount_i)) add(doc, CollectionSchema.inboundlinkscount_i, inboundLinks.size());
if (allAttr || contains(CollectionSchema.inboundlinksnofollowcount_i)) add(doc, CollectionSchema.inboundlinksnofollowcount_i, document.inboundLinkNofollowCount());
if (allAttr || contains(CollectionSchema.outboundlinkscount_i)) add(doc, CollectionSchema.outboundlinkscount_i, outboundLinks.size());
if (allAttr || contains(CollectionSchema.outboundlinksnofollowcount_i)) add(doc, CollectionSchema.outboundlinksnofollowcount_i, document.outboundLinkNofollowCount());
// create a subgraph
Boolean canonical_equal_sku = canonical == null ? null : canonical.toNormalform(true).equals(url);
if (webgraph != null && (!containsCanonical || (canonical_equal_sku != null && (canonical_equal_sku.booleanValue())))) {
// a document with canonical tag should not get a webgraph relation, because that belongs to the canonical document
List<SolrInputDocument> edges = webgraph.getEdges(subgraph, digestURL, responseHeader, collections, crawldepth, processTypes, document.getAnchors(), sourceName);
// this also enriched the subgraph
doc.webgraphDocuments.addAll(edges);
} else {
if (allAttr ||
contains(CollectionSchema.inboundlinks_protocol_sxt) ||
contains(CollectionSchema.inboundlinks_urlstub_sxt) ||
contains(CollectionSchema.inboundlinks_anchortext_txt) ||
contains(CollectionSchema.outboundlinks_protocol_sxt) ||
contains(CollectionSchema.outboundlinks_urlstub_sxt) ||
contains(CollectionSchema.outboundlinks_anchortext_txt)) {
for (final AnchorURL target_url: document.getAnchors()) {
enrichSubgraph(subgraph, digestURL, target_url);
}
}
}
// attach the subgraph content
if (allAttr || contains(CollectionSchema.inboundlinks_protocol_sxt)) add(doc, CollectionSchema.inboundlinks_protocol_sxt, protocolList2indexedList(subgraph.urlProtocols[0]));
if (allAttr || contains(CollectionSchema.inboundlinks_urlstub_sxt)) add(doc, CollectionSchema.inboundlinks_urlstub_sxt, subgraph.urlStubs[0]);
if (allAttr || contains(CollectionSchema.inboundlinks_anchortext_txt)) add(doc, CollectionSchema.inboundlinks_anchortext_txt, subgraph.urlAnchorTexts[0]);
if (allAttr || contains(CollectionSchema.outboundlinks_protocol_sxt)) add(doc, CollectionSchema.outboundlinks_protocol_sxt, protocolList2indexedList(subgraph.urlProtocols[1]));
if (allAttr || contains(CollectionSchema.outboundlinks_urlstub_sxt)) add(doc, CollectionSchema.outboundlinks_urlstub_sxt, subgraph.urlStubs[1]);
if (allAttr || contains(CollectionSchema.outboundlinks_anchortext_txt)) add(doc, CollectionSchema.outboundlinks_anchortext_txt, subgraph.urlAnchorTexts[1]);
// charset
if (allAttr || contains(CollectionSchema.charset_s)) add(doc, CollectionSchema.charset_s, document.getCharset());
// coordinates
if (document.lat() != 0.0 && document.lon() != 0.0) {
if (allAttr || contains(CollectionSchema.coordinate_p)) add(doc, CollectionSchema.coordinate_p, Double.toString(document.lat()) + "," + Double.toString(document.lon()));
}
if (allAttr || contains(CollectionSchema.httpstatus_i)) add(doc, CollectionSchema.httpstatus_i, responseHeader == null ? 200 : responseHeader.getStatusCode());
// fields that were additionally in URIMetadataRow
Date loadDate = new Date();
Date modDate = responseHeader == null ? new Date() : responseHeader.lastModified();
if (modDate.getTime() > loadDate.getTime()) modDate = loadDate;
int size = (int) Math.max(document.dc_source().length(), responseHeader == null ? 0 : responseHeader.getContentLength());
if (allAttr || contains(CollectionSchema.load_date_dt)) add(doc, CollectionSchema.load_date_dt, loadDate);
if (allAttr || contains(CollectionSchema.fresh_date_dt)) add(doc, CollectionSchema.fresh_date_dt, new Date(loadDate.getTime() + Math.max(0, loadDate.getTime() - modDate.getTime()) / 2)); // freshdate, computed with Proxy-TTL formula
if ((allAttr || contains(CollectionSchema.referrer_id_s)) && referrerURL != null) add(doc, CollectionSchema.referrer_id_s, ASCII.String(referrerURL.hash()));
//if (allAttr || contains(SolrField.md5_s)) add(solrdoc, SolrField.md5_s, new byte[0]);
if (allAttr || contains(CollectionSchema.publisher_t)) add(doc, CollectionSchema.publisher_t, document.dc_publisher());
if ((allAttr || contains(CollectionSchema.language_s)) && language != null) add(doc, CollectionSchema.language_s, language);
if (allAttr || contains(CollectionSchema.size_i)) add(doc, CollectionSchema.size_i, size);
if (allAttr || contains(CollectionSchema.audiolinkscount_i)) add(doc, CollectionSchema.audiolinkscount_i, document.getAudiolinks().size());
if (allAttr || contains(CollectionSchema.videolinkscount_i)) add(doc, CollectionSchema.videolinkscount_i, document.getVideolinks().size());
if (allAttr || contains(CollectionSchema.applinkscount_i)) add(doc, CollectionSchema.applinkscount_i, document.getApplinks().size());
// document post-processing
if ((allAttr || contains(CollectionSchema.process_sxt)) && processTypes.size() > 0) {
List<String> p = new ArrayList<String>();
for (ProcessType t: processTypes) p.add(t.name());
add(doc, CollectionSchema.process_sxt, p);
if (allAttr || contains(CollectionSchema.harvestkey_s)) {
add(doc, CollectionSchema.harvestkey_s, sourceName);
}
}
// document enrichments (synonyms, facets)
enrich(doc, condenser.synonyms(), document.getGenericFacets());
return doc;
}
/**
* attach additional information to the document to enable navigation features
* @param doc the document to be enriched
* @param synonyms a list of synonyms detected for the text content
* @param genericFacets a map where the key is the navigator name and the value is the set of attributes names
*/
public void enrich(SolrInputDocument doc, List<String> synonyms, Map<String, Set<String>> genericFacets) {
remove(doc, CollectionSchema.vocabularies_sxt); // delete old values
for (SolrInputField sif: doc) {
if (sif.getName().startsWith(CollectionSchema.VOCABULARY_PREFIX)) remove(doc, sif.getName());
}
if (this.isEmpty() || contains(CollectionSchema.vocabularies_sxt)) {
// write generic navigation
// there are no pre-defined solr fields for navigation because the vocabulary is generic
// we use dynamically allocated solr fields for this.
// It must be a multi-value string/token field, therefore we use _sxt extensions for the field names
// add to genericFacets the probabilistic categories
String text = (String) doc.getFieldValue(CollectionSchema.text_t.getSolrFieldName());
Map<String, String> classification = ProbabilisticClassifier.getClassification(text);
for (Map.Entry<String, String> entry: classification.entrySet()) {
Set<String> facetAttrbutes = new HashSet<>();
facetAttrbutes.add(entry.getValue());
genericFacets.put(entry.getKey(), facetAttrbutes);
}
// compute the document field values
List<String> vocabularies = new ArrayList<>();
for (Map.Entry<String, Set<String>> facet: genericFacets.entrySet()) {
String facetName = facet.getKey();
Set<String> facetValues = facet.getValue();
int count = facetValues.size();
if (count == 0) continue;
int logcount = (int) (Math.log(count) / Math.log(2));
Integer[] counts = new Integer[logcount + 1]; for (int i = 0; i <= logcount; i++) counts[i] = i;
doc.setField(CollectionSchema.VOCABULARY_PREFIX + facetName + CollectionSchema.VOCABULARY_TERMS_SUFFIX, facetValues.toArray(new String[count]));
doc.setField(CollectionSchema.VOCABULARY_PREFIX + facetName + CollectionSchema.VOCABULARY_COUNT_SUFFIX, facetValues.size());
doc.setField(CollectionSchema.VOCABULARY_PREFIX + facetName + CollectionSchema.VOCABULARY_LOGCOUNT_SUFFIX, logcount);
doc.setField(CollectionSchema.VOCABULARY_PREFIX + facetName + CollectionSchema.VOCABULARY_LOGCOUNTS_SUFFIX, counts);
vocabularies.add(facetName);
}
if (vocabularies.size() > 0) add(doc, CollectionSchema.vocabularies_sxt, vocabularies);
}
remove(doc, CollectionSchema.synonyms_sxt); // delete old values
if (this.isEmpty() || contains(CollectionSchema.synonyms_sxt)) {
if (synonyms.size() > 0) add(doc, CollectionSchema.synonyms_sxt, synonyms);
}
}
public static boolean postprocessingRunning = false;
public static String postprocessingActivity = "";
// if started, the following values are assigned
public static long postprocessingStartTime = 0; // the start time for the processing; not started = 0
public static int postprocessingCollection1Count = 0; // number of documents to be processed
public static int postprocessingWebgraphCount = 0; // number of documents to be processed
public static final String collection1query(final Segment segment, final String harvestkey) {
return (harvestkey == null || !segment.fulltext().getDefaultConfiguration().contains(CollectionSchema.harvestkey_s) ?
"" : CollectionSchema.harvestkey_s.getSolrFieldName() + ":\"" + harvestkey + "\" AND ") +
CollectionSchema.process_sxt.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM;
}
public static final String webgraphquery(final Segment segment, final String harvestkey) {
return (harvestkey == null || !segment.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.harvestkey_s) ?
"" : WebgraphSchema.harvestkey_s.getSolrFieldName() + ":\"" + harvestkey + "\" AND ") +
WebgraphSchema.process_sxt.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM;
}
/**
* post-processing steps for all entries that have a process tag assigned
* @param connector
* @param urlCitation
* @return
*/
public int postprocessing(final Segment segment, final ReferenceReportCache rrCache, final String harvestkey, final boolean byPartialUpdate) {
if (!this.contains(CollectionSchema.process_sxt)) return 0;
if (!segment.connectedCitation() && !segment.fulltext().useWebgraph()) return 0;
final SolrConnector collectionConnector = segment.fulltext().getDefaultConnector();
collectionConnector.commit(false); // make sure that we have latest information that can be found
if (segment.fulltext().useWebgraph()) segment.fulltext().getWebgraphConnector().commit(false);
final CollectionConfiguration collection = segment.fulltext().getDefaultConfiguration();
final WebgraphConfiguration webgraph = segment.fulltext().getWebgraphConfiguration();
// calculate the number of documents to be processed
String collection1query = collection1query(segment, harvestkey);
String webgraphquery = webgraphquery(segment, harvestkey);
postprocessingRunning = true;
postprocessingStartTime = System.currentTimeMillis();
postprocessingActivity = "collecting counts";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
try {
postprocessingCollection1Count = (int) collectionConnector.getCountByQuery("{!cache=false}" + collection1query);
postprocessingWebgraphCount = segment.fulltext().useWebgraph() ? (int) segment.fulltext().getWebgraphConnector().getCountByQuery("{!cache=false}" + webgraphquery) : 0;
} catch (IOException e) {
postprocessingCollection1Count = -1;
postprocessingWebgraphCount = -1;
}
// collect hosts from index which shall take part in citation computation
postprocessingActivity = "collecting host facets for collection";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
ReversibleScoreMap<String> collection1hosts;
try {
Map<String, ReversibleScoreMap<String>> hostfacet = collectionConnector.getFacets("{!cache=false}" + collection1query, 10000000, CollectionSchema.host_s.getSolrFieldName());
collection1hosts = hostfacet.get(CollectionSchema.host_s.getSolrFieldName());
} catch (final IOException e2) {
ConcurrentLog.logException(e2);
collection1hosts = new ClusteredScoreMap<String>(true);
}
postprocessingActivity = "create ranking map";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
boolean shallComputeCR = (segment.fulltext().useWebgraph() &&
((webgraph.contains(WebgraphSchema.source_id_s) && webgraph.contains(WebgraphSchema.source_cr_host_norm_i)) ||
(webgraph.contains(WebgraphSchema.target_id_s) && webgraph.contains(WebgraphSchema.target_cr_host_norm_i))) ||
(collection.contains(CollectionSchema.cr_host_count_i) &&
collection.contains(CollectionSchema.cr_host_chance_d) &&
collection.contains(CollectionSchema.cr_host_norm_i)));
// create the ranking map
final Map<String, CRV> rankings = new ConcurrentHashMap<String, CRV>();
if (shallComputeCR) try {
int concurrency = Math.min(collection1hosts.size(), Runtime.getRuntime().availableProcessors());
postprocessingActivity = "collecting cr for " + collection1hosts.size() + " hosts, concurrency = " + concurrency;
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
int countcheck = 0;
for (String host: collection1hosts.keyList(true)) {
// Patch the citation index for links with canonical tags.
// This shall fulfill the following requirement:
// If a document A links to B and B contains a 'canonical C', then the citation rank computation shall consider that A links to C and B does not link to C.
// To do so, we first must collect all canonical links, find all references to them, get the anchor list of the documents and patch the citation reference of these links
String patchquery = CollectionSchema.host_s.getSolrFieldName() + ":" + host + " AND " + CollectionSchema.canonical_s.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM;
long patchquerycount = collectionConnector.getCountByQuery("{!cache=false}" + patchquery);
BlockingQueue<SolrDocument> documents_with_canonical_tag = collectionConnector.concurrentDocumentsByQuery(patchquery, CollectionSchema.url_chars_i.getSolrFieldName() + " asc", 0, 100000000, Long.MAX_VALUE, 20, 1, true,
CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName(), CollectionSchema.canonical_s.getSolrFieldName());
SolrDocument doc_B;
int patchquerycountcheck = 0;
try {
while ((doc_B = documents_with_canonical_tag.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
// find all documents which link to the canonical doc
DigestURL doc_C_url = new DigestURL((String) doc_B.getFieldValue(CollectionSchema.canonical_s.getSolrFieldName()));
byte[] doc_B_id = ASCII.getBytes(((String) doc_B.getFieldValue(CollectionSchema.id.getSolrFieldName())));
// we remove all references to B, because these become references to C
if (segment.connectedCitation()) {
ReferenceContainer<CitationReference> doc_A_ids = segment.urlCitation().remove(doc_B_id);
if (doc_A_ids == null) {
//System.out.println("*** document with canonical but no referrer: " + doc_B.getFieldValue(CollectionSchema.sku.getSolrFieldName()));
continue; // the document has a canonical tag but no referrer?
}
Iterator<CitationReference> doc_A_ids_iterator = doc_A_ids.entries();
// for each of the referrer A of B, set A as a referrer of C
while (doc_A_ids_iterator.hasNext()) {
CitationReference doc_A_citation = doc_A_ids_iterator.next();
segment.urlCitation().add(doc_C_url.hash(), doc_A_citation);
}
}
patchquerycountcheck++;
if (MemoryControl.shortStatus()) {
ConcurrentLog.warn("CollectionConfiguration", "terminated canonical collection during postprocessing because of short memory");
break;
}
}
} catch (InterruptedException e) {
ConcurrentLog.logException(e);
} catch (SpaceExceededException e) {
ConcurrentLog.logException(e);
}
if (patchquerycount != patchquerycountcheck) ConcurrentLog.warn("CollectionConfiguration", "ambiguous patchquery count for host " + host + ": expected=" + patchquerycount + ", counted=" + patchquerycountcheck);
// do the citation rank computation
if (collection1hosts.get(host) <= 0) continue;
// select all documents for each host
CRHost crh = new CRHost(segment, rrCache, host, 0.85d, 6);
int convergence_attempts = 0;
while (convergence_attempts++ < 30) {
ConcurrentLog.info("CollectionConfiguration", "convergence step " + convergence_attempts + " for host " + host + " ...");
if (crh.convergenceStep()) break;
if (MemoryControl.shortStatus()) {
ConcurrentLog.warn("CollectionConfiguration", "terminated convergenceStep during postprocessing because of short memory");
break;
}
}
ConcurrentLog.info("CollectionConfiguration", "convergence for host " + host + " after " + convergence_attempts + " steps");
// we have now the cr for all documents of a specific host; we store them for later use
Map<String, CRV> crn = crh.normalize();
//crh.log(crn);
rankings.putAll(crn); // accumulate this here for usage in document update later
if (MemoryControl.shortStatus()) {
ConcurrentLog.warn("CollectionConfiguration", "terminated crn akkumulation during postprocessing because of short memory");
break;
}
countcheck++;
}
if (collection1hosts.size() != countcheck) ConcurrentLog.warn("CollectionConfiguration", "ambiguous host count: expected=" + collection1hosts.size() + ", counted=" + countcheck);
} catch (final IOException e2) {
ConcurrentLog.logException(e2);
collection1hosts = new ClusteredScoreMap<String>(true);
}
// process all documents at the webgraph for the outgoing links of this document
final AtomicInteger allcount = new AtomicInteger(0);
if (segment.fulltext().useWebgraph() && shallComputeCR) {
postprocessingActivity = "collecting host facets for webgraph cr calculation";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
final Set<String> omitFields = new HashSet<String>();
omitFields.add(WebgraphSchema.process_sxt.getSolrFieldName());
omitFields.add(WebgraphSchema.harvestkey_s.getSolrFieldName());
// collect hosts from index which shall take part in citation computation
ReversibleScoreMap<String> webgraphhosts;
try {
Map<String, ReversibleScoreMap<String>> hostfacet = segment.fulltext().getWebgraphConnector().getFacets(webgraphquery, 10000000, WebgraphSchema.source_host_s.getSolrFieldName());
webgraphhosts = hostfacet.get(WebgraphSchema.source_host_s.getSolrFieldName());
} catch (final IOException e2) {
ConcurrentLog.logException(e2);
webgraphhosts = new ClusteredScoreMap<String>(true);
}
try {
final long start = System.currentTimeMillis();
for (String host: webgraphhosts.keyList(true)) {
if (webgraphhosts.get(host) <= 0) continue;
final String hostfinal = host;
// select all webgraph edges and modify their cr value
postprocessingActivity = "writing cr values to webgraph for host " + host;
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
String patchquery = WebgraphSchema.source_host_s.getSolrFieldName() + ":\"" + host + "\" AND " + WebgraphSchema.process_sxt.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM;
final long count = segment.fulltext().getWebgraphConnector().getCountByQuery("{!cache=false}" + patchquery);
int concurrency = Math.min((int) count, Math.max(1, Runtime.getRuntime().availableProcessors() / 4));
ConcurrentLog.info("CollectionConfiguration", "collecting " + count + " documents from the webgraph, concurrency = " + concurrency);
final BlockingQueue<SolrDocument> docs = segment.fulltext().getWebgraphConnector().concurrentDocumentsByQuery(
patchquery,
WebgraphSchema.source_chars_i.getSolrFieldName() + " asc",
0, 100000000, Long.MAX_VALUE, concurrency + 1, concurrency, true
// TODO: add field list and do partial updates
);
final AtomicInteger proccount = new AtomicInteger(0);
Thread[] t = new Thread[concurrency];
for (final AtomicInteger i = new AtomicInteger(0); i.get() < t.length; i.incrementAndGet()) {
t[i.get()] = new Thread() {
private String name = "CollectionConfiguration.postprocessing.webgraph-" + i.get();
@Override
public void run() {
Thread.currentThread().setName(name);
SolrDocument doc; String id;
try {
processloop: while ((doc = docs.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
try {
SolrInputDocument sid = webgraph.toSolrInputDocument(doc, omitFields);
Collection<Object> proctags = doc.getFieldValues(WebgraphSchema.process_sxt.getSolrFieldName());
for (Object tag: proctags) try {
// switch over tag types
ProcessType tagtype = ProcessType.valueOf((String) tag);
// set cr values
if (tagtype == ProcessType.CITATION) {
if (segment.fulltext().useWebgraph() && webgraph.contains(WebgraphSchema.source_id_s) && webgraph.contains(WebgraphSchema.source_cr_host_norm_i)) {
id = (String) doc.getFieldValue(WebgraphSchema.source_id_s.getSolrFieldName());
CRV crv = rankings.get(id);
if (crv != null) {
sid.setField(WebgraphSchema.source_cr_host_norm_i.getSolrFieldName(), crv.crn);
}
}
if (webgraph.contains(WebgraphSchema.target_id_s) && webgraph.contains(WebgraphSchema.target_cr_host_norm_i)) {
id = (String) doc.getFieldValue(WebgraphSchema.target_id_s.getSolrFieldName());
CRV crv = rankings.get(id);
if (crv != null) {
sid.setField(WebgraphSchema.target_cr_host_norm_i.getSolrFieldName(), crv.crn);
}
}
}
} catch (IllegalArgumentException e) {
ConcurrentLog.logException(e);
}
// write document back to index
try {
sid.removeField(WebgraphSchema.process_sxt.getSolrFieldName());
sid.removeField(WebgraphSchema.harvestkey_s.getSolrFieldName());
//segment.fulltext().getWebgraphConnector().deleteById((String) sid.getFieldValue(WebgraphSchema.id.getSolrFieldName()));
segment.fulltext().getWebgraphConnector().add(sid);
} catch (SolrException e) {
ConcurrentLog.logException(e);
} catch (IOException e) {
ConcurrentLog.logException(e);
}
proccount.incrementAndGet();
allcount.incrementAndGet();
if (proccount.get() % 1000 == 0) {
postprocessingActivity = "writing cr values to webgraph for host " + hostfinal + "postprocessed " + proccount + " from " + count + " documents; " +
(proccount.get() * 1000 / (System.currentTimeMillis() - start)) + " docs/second; " +
((System.currentTimeMillis() - start) * (count - proccount.get()) / proccount.get() / 60000) + " minutes remaining";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
}
} catch (Throwable e) {
ConcurrentLog.logException(e);
continue processloop;
}
}
} catch (InterruptedException e) {
ConcurrentLog.warn("CollectionConfiguration", e.getMessage(), e);
}
}
};
t[i.get()].start();
}
for (int i = 0; i < t.length; i++) try {
t[i].join(10000);
if (t[i].isAlive()) t[i].interrupt();
} catch (InterruptedException e) {}
if (count != proccount.get()) ConcurrentLog.warn("CollectionConfiguration", "ambiguous webgraph document count for host " + host + ": expected=" + count + ", counted=" + proccount);
}
} catch (final IOException e2) {
ConcurrentLog.warn("CollectionConfiguration", e2.getMessage(), e2);
}
}
// process all documents in collection
final Map<String, Long> hostExtentCache = new HashMap<String, Long>(); // a mapping from the host id to the number of documents which contain this host-id
final Set<String> uniqueURLs = new ConcurrentHashSet<String>(); // will be used in a concurrent environment
final Set<String> omitFields = new HashSet<String>();
omitFields.add(CollectionSchema.process_sxt.getSolrFieldName());
omitFields.add(CollectionSchema.harvestkey_s.getSolrFieldName());
final Collection<String> failids = new ArrayList<String>();
final AtomicInteger countcheck = new AtomicInteger(0);
final AtomicInteger proccount = new AtomicInteger();
final AtomicInteger proccount_referencechange = new AtomicInteger();
final AtomicInteger proccount_citationchange = new AtomicInteger();
try {
// partitioning of the index, get a facet for a partitioning key
final long count = collectionConnector.getCountByQuery("{!cache=false}" + collection1query);
String partitioningKey = CollectionSchema.responsetime_i.getSolrFieldName();
postprocessingActivity = "collecting " + count + " documents from the collection for harvestkey " + harvestkey + ", partitioned by " + partitioningKey;
if (count > 0) {
Map<String, ReversibleScoreMap<String>> partitioningFacet = collectionConnector.getFacets("{!cache=false}" + collection1query, 100000, partitioningKey);
ReversibleScoreMap<String> partitioning = partitioningFacet.get(partitioningKey);
long emptyCount = collectionConnector.getCountByQuery("{!cache=false}" + "-" + partitioningKey + AbstractSolrConnector.CATCHALL_DTERM + " AND (" + collection1query + ")");
if (emptyCount > 0) partitioning.inc("", (int) emptyCount);
final long start = System.currentTimeMillis();
List<String> querystrings = new ArrayList<>(partitioning.size());
for (String partitioningValue: partitioning) {
String partitioningQuery = "{!cache=false}" + ((partitioningValue.length() == 0) ?
"-" + partitioningKey + AbstractSolrConnector.CATCHALL_DTERM + " AND (" + collection1query + ")" :
partitioningKey + ":" + partitioningValue + " AND (" + collection1query + ")");
querystrings.add(partitioningQuery);
}
// start collection of documents
final int concurrency = Math.max(1, Math.min((int) (MemoryControl.available() / (100L * 1024L * 1024L)), Runtime.getRuntime().availableProcessors()));
//final int concurrency = 1;
final boolean reference_computation = this.contains(CollectionSchema.references_i) &&
this.contains(CollectionSchema.references_internal_i) &&
this.contains(CollectionSchema.references_external_i) &&
this.contains(CollectionSchema.references_exthosts_i);
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
final BlockingQueue<SolrDocument> docs = collectionConnector.concurrentDocumentsByQueries(
querystrings,
(this.contains(CollectionSchema.http_unique_b) || this.contains(CollectionSchema.www_unique_b)) ?
CollectionSchema.host_subdomain_s.getSolrFieldName() + " asc," + // sort on subdomain to get hosts without subdomain first; that gives an opportunity to set www_unique_b flag to false
CollectionSchema.url_protocol_s.getSolrFieldName() + " asc" // sort on protocol to get http before https; that gives an opportunity to set http_unique_b flag to false
: null, // null sort is faster!
0, 100000000, Long.MAX_VALUE, concurrency + 1, concurrency, true,
byPartialUpdate ?
new String[]{
// the following fields are needed to perform the postprocessing
// and should only be used for partial updates; for full updates use a
// full list of fields to avoid LazyInstantiation which has poor performace
CollectionSchema.id.getSolrFieldName(),
CollectionSchema.sku.getSolrFieldName(),
CollectionSchema.harvestkey_s.getSolrFieldName(),
CollectionSchema.process_sxt.getSolrFieldName(),
CollectionSchema.canonical_equal_sku_b.getSolrFieldName(),
CollectionSchema.canonical_s.getSolrFieldName(),
CollectionSchema.exact_signature_l.getSolrFieldName(),
CollectionSchema.fuzzy_signature_l.getSolrFieldName(),
CollectionSchema.title_exact_signature_l.getSolrFieldName(),
CollectionSchema.description_exact_signature_l.getSolrFieldName(),
CollectionSchema.host_id_s.getSolrFieldName(),
CollectionSchema.host_s.getSolrFieldName(),
CollectionSchema.host_subdomain_s.getSolrFieldName(),
CollectionSchema.url_chars_i.getSolrFieldName(),
CollectionSchema.url_protocol_s.getSolrFieldName(),
CollectionSchema.httpstatus_i.getSolrFieldName(),
CollectionSchema.inboundlinkscount_i.getSolrFieldName(),
CollectionSchema.robots_i.getSolrFieldName()} :
this.allFields());
final Thread rewriteThread[] = new Thread[concurrency];
for (int rewrite_start = 0; rewrite_start < concurrency; rewrite_start++) {
rewriteThread[rewrite_start] = new Thread() {
@Override
public void run() {
SolrDocument doc;
try {
while ((doc = docs.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
// for each to-be-processed entry work on the process tag
Collection<Object> proctags = doc.getFieldValues(CollectionSchema.process_sxt.getSolrFieldName());
final String u = (String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
final String i = (String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName());
if (proctags == null || proctags.size() == 0) {
// this should not happen since we collected the documents using a process_sxt:[* TO *] term
ConcurrentLog.warn("CollectionConfiguration", "no process_sxt entry for url " + u + ", id=" + i);
continue;
}
try {
DigestURL url = new DigestURL(u, ASCII.getBytes(i));
byte[] id = url.hash();
SolrInputDocument sid = byPartialUpdate ? new SolrInputDocument() : collection.toSolrInputDocument(doc, omitFields);
sid.setField(CollectionSchema.id.getSolrFieldName(), i);
for (Object tag: proctags) try {
// switch over tag types
ProcessType tagtype = ProcessType.valueOf((String) tag);
if (tagtype == ProcessType.CITATION &&
collection.contains(CollectionSchema.cr_host_count_i) &&
collection.contains(CollectionSchema.cr_host_chance_d) &&
collection.contains(CollectionSchema.cr_host_norm_i)) {
CRV crv = rankings.remove(ASCII.String(id)); // instead of 'get'ting the CRV, we also remove it because we will not need it again and free some memory here
if (crv != null) {
sid.setField(CollectionSchema.cr_host_count_i.getSolrFieldName(), crv.count);
sid.setField(CollectionSchema.cr_host_chance_d.getSolrFieldName(), crv.cr);
sid.setField(CollectionSchema.cr_host_norm_i.getSolrFieldName(), crv.crn);
proccount_citationchange.incrementAndGet();
}
}
if (tagtype == ProcessType.UNIQUE) {
postprocessing_http_unique(segment, doc, sid, url);
postprocessing_www_unique(segment, doc, sid, url);
postprocessing_doublecontent(segment, uniqueURLs, doc, sid, url);
}
} catch (IllegalArgumentException e) {}
// compute references
if (reference_computation) {
String hosthash = url.hosthash();
if (!hostExtentCache.containsKey(hosthash)) {
StringBuilder q = new StringBuilder();
q.append(CollectionSchema.host_id_s.getSolrFieldName()).append(":\"").append(hosthash).append("\" AND ").append(CollectionSchema.httpstatus_i.getSolrFieldName()).append(":200");
long hostExtentCount = segment.fulltext().getDefaultConnector().getCountByQuery(q.toString());
hostExtentCache.put(hosthash, hostExtentCount);
}
if (postprocessing_references(rrCache, sid, url, hostExtentCache)) proccount_referencechange.incrementAndGet();
}
// all processing steps checked, remove the processing and harvesting key
if (byPartialUpdate) {
sid.setField(CollectionSchema.process_sxt.getSolrFieldName(), null); // setting this to null will cause a removal when doing a partial update
sid.setField(CollectionSchema.harvestkey_s.getSolrFieldName(), null);
} else {
sid.removeField(CollectionSchema.process_sxt.getSolrFieldName());
sid.removeField(CollectionSchema.harvestkey_s.getSolrFieldName());
}
// with standard solr fields selected, the sid now contains the fields
// id, http_unique_b, www_unique_b, references_i, references_internal_i, references_external_i, references_exthosts_i, host_extent_i
// and the value for host_extent_i is by default 2147483647
// send back to index
//collectionConnector.deleteById(i);
if (byPartialUpdate) {
collectionConnector.update(sid);
} else {
collectionConnector.add(sid);
}
long thiscount = proccount.incrementAndGet(); allcount.incrementAndGet();
if (thiscount % 100 == 0) {
postprocessingActivity = "postprocessed " + thiscount + " from " + count + " collection documents; " +
(thiscount * 60000L / (System.currentTimeMillis() - start)) + " ppm; " +
((System.currentTimeMillis() - start) * (count - thiscount) / thiscount / 60000) + " minutes remaining";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
}
} catch (final Throwable e1) {
ConcurrentLog.logException(e1);
failids.add(i);
}
countcheck.incrementAndGet();
}
} catch (InterruptedException e) {
ConcurrentLog.logException(e);
}
}
};
rewriteThread[rewrite_start].start();
}
// wait for termination
for (int rewrite_start = 0; rewrite_start < concurrency; rewrite_start++) rewriteThread[rewrite_start].join();
if (failids.size() > 0) {
ConcurrentLog.info("CollectionConfiguration", "cleanup_processing: deleting " + failids.size() + " documents which have permanent execution fails");
collectionConnector.deleteByIds(failids);
}
if (count != countcheck.get()) ConcurrentLog.warn("CollectionConfiguration", "ambiguous collection document count for harvestkey " + harvestkey + ": expected=" + count + ", counted=" + countcheck + "; countquery=" + collection1query); // big gap for harvestkey = null
ConcurrentLog.info("CollectionConfiguration", "cleanup_processing: re-calculated " + proccount + " new documents, " +
proccount_referencechange + " reference-count changes, " +
proccount_citationchange + " citation ranking changes.");
}
} catch (final InterruptedException e2) {
ConcurrentLog.warn("CollectionConfiguration", e2.getMessage(), e2);
} catch (IOException e3) {
ConcurrentLog.warn("CollectionConfiguration", e3.getMessage(), e3);
}
collectionConnector.commit(true); // make changes available directly to prevent that the process repeats again
postprocessingCollection1Count = 0;
postprocessingWebgraphCount = 0;
postprocessingActivity = "postprocessing terminated";
ConcurrentLog.info("CollectionConfiguration", postprocessingActivity);
postprocessingRunning = false;
return allcount.get();
}
public void postprocessing_http_unique(final Segment segment, final SolrDocument doc, final SolrInputDocument sid, final DigestURL url) {
if (!this.contains(CollectionSchema.http_unique_b)) return;
if (!url.isHTTPS() && !url.isHTTP()) return;
try {
DigestURL u = new DigestURL((url.isHTTP() ? "https://" : "http://") + url.urlstub(true, true));
SolrDocument d = segment.fulltext().getDefaultConnector().getDocumentById(ASCII.String(u.hash()), CollectionSchema.http_unique_b.getSolrFieldName());
set_unique_flag(CollectionSchema.http_unique_b, doc, sid, d);
} catch (final IOException e) {}
}
public void postprocessing_www_unique(final Segment segment, final SolrDocument doc, final SolrInputDocument sid, final DigestURL url) {
if (!this.contains(CollectionSchema.www_unique_b)) return;
final String us = url.urlstub(true, true);
try {
DigestURL u = new DigestURL(url.getProtocol() + (us.startsWith("www.") ? "://" + us.substring(4) : "://www." + us));
SolrDocument d = segment.fulltext().getDefaultConnector().getDocumentById(ASCII.String(u.hash()), CollectionSchema.www_unique_b.getSolrFieldName());
set_unique_flag(CollectionSchema.www_unique_b, doc, sid, d);
} catch (final IOException e) {}
}
private void set_unique_flag(CollectionSchema field, final SolrDocument doc, final SolrInputDocument sid, final SolrDocument d) {
Object sb = doc.getFieldValue(field.getSolrFieldName());
boolean sbb = sb != null && ((Boolean) sb).booleanValue();
Object ob = d == null ? null : d.getFieldValue(field.getSolrFieldName());
boolean obb = ob != null && ((Boolean) ob).booleanValue();
if (sbb == obb) sid.setField(field.getSolrFieldName(), !sbb);
}
public void postprocessing_doublecontent(Segment segment, Set<String> uniqueURLs, SolrDocument doc, final SolrInputDocument sid, final DigestURL url) {
// FIND OUT IF THIS IS A DOUBLE DOCUMENT
// term to describe documents which are indexable:
// - no noindex in meta oder x-robots
// - no canonical-tag
Conjunction ValidDocTermTemplate = new Conjunction();
ValidDocTermTemplate.addOperand(new LongLiteral(CollectionSchema.httpstatus_i, 200));
ValidDocTermTemplate.addOperand(new Disjunction(new Negation(new CatchallLiteral(CollectionSchema.canonical_equal_sku_b)), new BooleanLiteral(CollectionSchema.canonical_equal_sku_b, true)));
ValidDocTermTemplate.addOperand(new Negation(new LongLiteral(CollectionSchema.robots_i, 8))); // bit 3 (noindex)
ValidDocTermTemplate.addOperand(new Negation(new LongLiteral(CollectionSchema.robots_i, 24))); // bit 3 + 4 (noindex + nofollow)
ValidDocTermTemplate.addOperand(new Negation(new LongLiteral(CollectionSchema.robots_i, 512))); // bit 9 (noindex)
ValidDocTermTemplate.addOperand(new Negation(new LongLiteral(CollectionSchema.robots_i, 1536))); // bit 9 + 10 (noindex + nofollow)
String urlhash = ASCII.String(url.hash());
String hostid = url.hosthash();
Disjunction dnf = new Disjunction();
CollectionSchema[][] doccheckschema = new CollectionSchema[][]{
{CollectionSchema.exact_signature_l, CollectionSchema.exact_signature_unique_b, CollectionSchema.exact_signature_copycount_i},
{CollectionSchema.fuzzy_signature_l, CollectionSchema.fuzzy_signature_unique_b, CollectionSchema.fuzzy_signature_copycount_i}};
uniquecheck: for (CollectionSchema[] checkfields: doccheckschema) {
CollectionSchema signaturefield = checkfields[0];
CollectionSchema uniquefield = checkfields[1];
CollectionSchema countfield = checkfields[2];
if (this.contains(signaturefield) && this.contains(uniquefield) && this.contains(countfield)) {
// lookup the document with the same signature
Long signature = (Long) doc.getFieldValue(signaturefield.getSolrFieldName());
if (signature == null) continue uniquecheck;
//con.addOperand(new Negation(new Literal(CollectionSchema.id, urlhash)));
//con.addOperand(new Literal(CollectionSchema.host_id_s, hostid));
dnf.addOperand(new LongLiteral(signaturefield, signature));
}
}
Conjunction con = (Conjunction) ValidDocTermTemplate.clone();
con.addOperand(dnf);
con.addOperand(new Negation(new StringLiteral(CollectionSchema.id, urlhash)));
con.addOperand(new StringLiteral(CollectionSchema.host_id_s, hostid));
String query = con.toString();
SolrDocumentList docsAkk;
try {
docsAkk = segment.fulltext().getDefaultConnector().getDocumentListByQuery(query, null, 0, 1000,
CollectionSchema.id.getSolrFieldName(), CollectionSchema.exact_signature_l.getSolrFieldName(), CollectionSchema.fuzzy_signature_l.getSolrFieldName());
} catch (final IOException e) {
ConcurrentLog.logException(e);
docsAkk = new SolrDocumentList();
}
if (docsAkk.getNumFound() > 0) uniquecheck: for (CollectionSchema[] checkfields: doccheckschema) {
CollectionSchema signaturefield = checkfields[0];
CollectionSchema uniquefield = checkfields[1];
CollectionSchema countfield = checkfields[2];
if (this.contains(signaturefield) && this.contains(uniquefield) && this.contains(countfield)) {
// lookup the document with the same signature
Long signature = (Long) doc.getFieldValue(signaturefield.getSolrFieldName());
if (signature == null) continue uniquecheck;
SolrDocumentList docs = new StringLiteral(signaturefield, signature.toString()).apply(docsAkk);
if (docs.getNumFound() == 0) {
sid.setField(uniquefield.getSolrFieldName(), true);
sid.setField(countfield.getSolrFieldName(), 1);
} else {
boolean firstappearance = true;
for (SolrDocument d: docs) {if (uniqueURLs.contains(d.getFieldValue(CollectionSchema.id.getSolrFieldName()))) firstappearance = false; break;}
sid.setField(uniquefield.getSolrFieldName(), firstappearance);
sid.setField(countfield.getSolrFieldName(), docs.getNumFound() + 1); // the current url was excluded from search but is included in count
}
}
}
// CHECK IF TITLE AND DESCRIPTION IS UNIQUE (this is by default not switched on)
// in case that the document has no status code 200, has a noindex attribute
// or a canonical tag which does not point to the document itself,
// then the unique-field is not written at all!
Integer robots_i = this.contains(CollectionSchema.robots_i) ? (Integer) doc.getFieldValue(CollectionSchema.robots_i.getSolrFieldName()) : null;
Integer httpstatus_i = this.contains(CollectionSchema.httpstatus_i) ? (Integer) doc.getFieldValue(CollectionSchema.httpstatus_i.getSolrFieldName()) : null;
String canonical_s = this.contains(CollectionSchema.canonical_s) ? (String) doc.getFieldValue(CollectionSchema.canonical_s.getSolrFieldName()) : null;
Boolean canonical_equal_sku_b = this.contains(CollectionSchema.canonical_equal_sku_b) ? (Boolean) doc.getFieldValue(CollectionSchema.canonical_equal_sku_b.getSolrFieldName()) : null;
CollectionSchema[][] metadatacheckschema = new CollectionSchema[][]{
{CollectionSchema.title, CollectionSchema.title_exact_signature_l, CollectionSchema.title_unique_b},
{CollectionSchema.description_txt, CollectionSchema.description_exact_signature_l, CollectionSchema.description_unique_b}};
if (segment.fulltext().getDefaultConfiguration().contains(CollectionSchema.host_id_s) &&
(robots_i == null || (robots_i.intValue() & (1 << 9)) == 0 /*noindex in http X-ROBOTS*/ && (robots_i.intValue() & (1 << 3)) == 0 /*noindex in html metas*/ ) &&
(canonical_s == null || canonical_s.length() == 0 || (canonical_equal_sku_b != null && canonical_equal_sku_b.booleanValue()) || url.toNormalform(true).equals(canonical_s)) &&
(httpstatus_i == null || httpstatus_i.intValue() == 200)) {
uniquecheck: for (CollectionSchema[] checkfields: metadatacheckschema) {
CollectionSchema checkfield = checkfields[0];
CollectionSchema signaturefield = checkfields[1];
CollectionSchema uniquefield = checkfields[2];
if (this.contains(checkfield) && this.contains(signaturefield) && this.contains(uniquefield)) {
// lookup in the index within the same hosts for the same title or description
//String checkstring = checkfield == CollectionSchema.title ? document.dc_title() : document.dc_description();
Long signature = (Long) doc.getFieldValue(signaturefield.getSolrFieldName());
if (signature == null) {
continue uniquecheck;
}
try {
Conjunction doccountterm = (Conjunction) ValidDocTermTemplate.clone();
doccountterm.addOperand(new Negation(new StringLiteral(CollectionSchema.id, urlhash)));
doccountterm.addOperand(new StringLiteral(CollectionSchema.host_id_s, hostid));
doccountterm.addOperand(new LongLiteral(signaturefield, signature));
long doccount = segment.fulltext().getDefaultConnector().getCountByQuery("{!cache=false}" + doccountterm.toString());
sid.setField(uniquefield.getSolrFieldName(), doccount == 0);
} catch (final IOException e) {}
}
}
}
uniqueURLs.add(urlhash);
}
public boolean postprocessing_references(final ReferenceReportCache rrCache, final SolrInputDocument sid, final DigestURL url, final Map<String, Long> hostExtentCount) {
if (!(this.contains(CollectionSchema.references_i) ||
this.contains(CollectionSchema.references_internal_i) ||
this.contains(CollectionSchema.references_external_i) || this.contains(CollectionSchema.references_exthosts_i))) return false;
Integer all_old = sid == null ? null : (Integer) sid.getFieldValue(CollectionSchema.references_i.getSolrFieldName());
Integer internal_old = sid == null ? null : (Integer) sid.getFieldValue(CollectionSchema.references_internal_i.getSolrFieldName());
Integer external_old = sid == null ? null : (Integer) sid.getFieldValue(CollectionSchema.references_external_i.getSolrFieldName());
Integer exthosts_old = sid == null ? null : (Integer) sid.getFieldValue(CollectionSchema.references_exthosts_i.getSolrFieldName());
Integer hostextc_old = sid == null ? null : (Integer) sid.getFieldValue(CollectionSchema.host_extent_i.getSolrFieldName());
try {
ReferenceReport rr = rrCache.getReferenceReport(ASCII.String(url.hash()), false);
List<String> internalIDs = new ArrayList<String>();
HandleSet iids = rr.getInternallIDs();
for (byte[] b: iids) internalIDs.add(ASCII.String(b));
boolean change = false;
int all = rr.getExternalCount() + rr.getInternalCount();
if (this.contains(CollectionSchema.references_i) &&
(all_old == null || all_old.intValue() != all)) {
sid.setField(CollectionSchema.references_i.getSolrFieldName(), all);
change = true;
}
if (this.contains(CollectionSchema.references_internal_i) &&
(internal_old == null || internal_old.intValue() != rr.getInternalCount())) {
sid.setField(CollectionSchema.references_internal_i.getSolrFieldName(), rr.getInternalCount());
change = true;
}
if (this.contains(CollectionSchema.references_external_i) &&
(external_old == null || external_old.intValue() != rr.getExternalCount())) {
sid.setField(CollectionSchema.references_external_i.getSolrFieldName(), rr.getExternalCount());
change = true;
}
if (this.contains(CollectionSchema.references_exthosts_i) &&
(exthosts_old == null || exthosts_old.intValue() != rr.getExternalHostIDs().size())) {
sid.setField(CollectionSchema.references_exthosts_i.getSolrFieldName(), rr.getExternalHostIDs().size());
change = true;
}
Long hostExtent = hostExtentCount == null ? Long.MAX_VALUE : hostExtentCount.get(url.hosthash());
if (this.contains(CollectionSchema.host_extent_i) &&
(hostextc_old == null || hostextc_old.intValue() != hostExtent)) {
sid.setField(CollectionSchema.host_extent_i.getSolrFieldName(), hostExtent.intValue());
change = true;
}
return change;
} catch (final IOException e) {
}
return false;
}
private static final class CRV {
public double cr;
public int crn, count;
public CRV(final int count, final double cr, final int crn) {this.count = count; this.cr = cr; this.crn = crn;}
@Override
public String toString() {
return "count=" + count + ", cr=" + cr + ", crn=" + crn;
}
}
/**
* The CRHost class is a container for all ranking values of a specific host.
* Objects of that class are needed as an environment for repeated convergenceStep() computations,
* which are iterative citation rank computations that are repeated until the ranking values
* converge to stable values.
* The class also contains normalization methods to compute simple integer ranking values out of the
* double relevance values.
*/
private static final class CRHost {
private final Segment segment;
private final Map<String, double[]> crt;
private final int cr_host_count;
private final RowHandleMap internal_links_counter;
private double damping;
private int converge_eq_factor;
private ReferenceReportCache rrCache;
public CRHost(final Segment segment, final ReferenceReportCache rrCache, final String host, final double damping, final int converge_digits) {
this.segment = segment;
this.damping = damping;
this.rrCache = rrCache;
this.converge_eq_factor = (int) Math.pow(10.0d, converge_digits);
SolrConnector connector = segment.fulltext().getDefaultConnector();
this.crt = new ConcurrentHashMap<String, double[]>();
try {
// select all documents for each host
BlockingQueue<String> ids = connector.concurrentIDsByQuery("{!cache=false raw f=" + CollectionSchema.host_s.getSolrFieldName() + "}" + host, CollectionSchema.url_chars_i.getSolrFieldName() + " asc", 0, 100000000, 86400000, 200, 1);
String id;
while ((id = ids.take()) != AbstractSolrConnector.POISON_ID) {
this.crt.put(id, new double[]{0.0d,0.0d}); //{old value, new value}
if (MemoryControl.shortStatus()) {
ConcurrentLog.warn("CollectionConfiguration", "terminated CRHost collection during postprocessing because of short memory");
break;
}
}
} catch (final InterruptedException e2) {
}
this.cr_host_count = this.crt.size();
double initval = 1.0d / cr_host_count;
for (Map.Entry<String, double[]> entry: this.crt.entrySet()) entry.getValue()[0] = initval;
this.internal_links_counter = new RowHandleMap(12, Base64Order.enhancedCoder, 8, 100, "internal_links_counter");
}
/**
* produce a map from IDs to CRV records, normalization entries containing the values that are stored to solr.
* @return
*/
public Map<String, CRV> normalize() {
final TreeMap<Double, List<byte[]>> reorder = new TreeMap<Double, List<byte[]>>();
for (Map.Entry<String, double[]> entry: this.crt.entrySet()) {
Double d = entry.getValue()[0];
List<byte[]> ds = reorder.get(d);
if (ds == null) {ds = new ArrayList<byte[]>(); reorder.put(d, ds);}
ds.add(ASCII.getBytes(entry.getKey()));
}
int nextcount = (this.cr_host_count + 1) / 2;
int nextcrn = 0;
Map<String, CRV> r = new HashMap<String, CRV>();
while (reorder.size() > 0) {
int count = nextcount;
while (reorder.size() > 0 && count > 0) {
Map.Entry<Double, List<byte[]>> next = reorder.pollFirstEntry();
List<byte[]> ids = next.getValue();
count -= ids.size();
double cr = next.getKey();
for (byte[] id: ids) r.put(ASCII.String(id), new CRV(this.cr_host_count, cr, nextcrn));
}
nextcrn++;
nextcount = Math.max(1, (nextcount + count + 1) / 2);
}
// finally, increase the crn number in such a way that the maximum is always 10
int inc = 11 - nextcrn; // nextcrn is +1
for (Map.Entry<String, CRV> entry: r.entrySet()) entry.getValue().crn += inc;
return r;
}
/**
* log out a complete CRHost set of urls and ranking values
* @param rm
*/
@SuppressWarnings("unused")
public void log(final Map<byte[], CRV> rm) {
// print out all urls with their cr-values
SolrConnector connector = segment.fulltext().getDefaultConnector();
for (Map.Entry<byte[], CRV> entry: rm.entrySet()) {
if (entry == null || entry.getValue() == null) continue;
try {
LoadTimeURL md = connector.getLoadTimeURL(ASCII.String(entry.getKey()));
ConcurrentLog.info("CollectionConfiguration", "CR for " + md.url);
ConcurrentLog.info("CollectionConfiguration", ">> " + entry.getValue().toString());
} catch (final IOException e) {
ConcurrentLog.logException(e);
}
}
}
/**
* Calculate the number of internal links from a specific document, denoted by the document ID.
* This is a very important attribute for the ranking computation because it is the dividend for the previous ranking attribute.
* The internalLinks value will be requested several times for the same id during the convergenceStep()-steps; therefore it should use a cache.
* This cache is part of the CRHost data structure.
* @param id
* @return the number of links from the document, denoted by the ID to documents within the same domain
*/
public int getInternalLinks(final byte[] id) {
int il = (int) this.internal_links_counter.get(id);
if (il >= 0) return il;
SolrConnector connector = this.segment.fulltext().getDefaultConnector();
if (connector == null) return 0;
try {
SolrDocument doc = connector.getDocumentById(ASCII.String(id), CollectionSchema.inboundlinkscount_i.getSolrFieldName());
if (doc == null) {
this.internal_links_counter.put(id, 0);
return 0;
}
Object x = doc.getFieldValue(CollectionSchema.inboundlinkscount_i.getSolrFieldName());
il = (x == null) ? 0 : (x instanceof Integer) ? ((Integer) x).intValue() : (x instanceof Long) ? ((Long) x).intValue() : 0;
this.internal_links_counter.put(id, il);
return il;
} catch (final IOException e) {
ConcurrentLog.logException(e);
} catch (final SpaceExceededException e) {
ConcurrentLog.logException(e);
}
try {this.internal_links_counter.put(id, 0);} catch (final SpaceExceededException e) {}
return 0;
}
/**
* Use the crt cache to compute the next generation of crt values.
* @return
*/
public boolean convergenceStep() {
boolean convergence = true;
double df = (1.0d - damping) / this.cr_host_count;
try {
for (Map.Entry<String, double[]> entry: this.crt.entrySet()) {
String id = entry.getKey();
ReferenceReport rr = this.rrCache.getReferenceReport(id, false);
// sum up the cr of the internal links
HandleSet iids = rr.getInternallIDs();
double ncr = 0.0d;
for (byte[] iid: iids) {
int ilc = getInternalLinks(iid);
if (ilc > 0) { // if (ilc == 0) then the reference report is wrong!
double[] d = this.crt.get(ASCII.String(iid));
// d[] could be empty at some situations
if (d != null && d.length > 0) {
ncr += d[0] / ilc;
} else {
// Output a warning that d[] is empty
ConcurrentLog.warn("COLLECTION", "d[] is empty, iid=" + ASCII.String(iid));
break;
}
}
}
ncr = df + damping * ncr;
if (convergence && !eqd(ncr, entry.getValue()[0])) convergence = false;
entry.getValue()[1] = ncr;
}
// after the loop, replace the old value with the new value in crt
for (Map.Entry<String, double[]> entry: this.crt.entrySet()) {
entry.getValue()[0] = entry.getValue()[1];
}
} catch (final IOException e) {
}
return convergence;
}
/**
* helper method to check if two doubles are equal using a specific number of digits
* @param a
* @param b
* @return
*/
private boolean eqd(final double a, final double b) {
return ((int) (a * this.converge_eq_factor)) == ((int) (b * this.converge_eq_factor));
}
}
/**
* this method compresses a list of protocol names to an indexed list.
* To do this, all 'http' entries are removed and considered as default.
* The remaining entries are indexed as follows: a list of <i>-<p> entries is produced, where
* <i> is an index pointing to the original index of the protocol entry and <p> is the protocol entry itself.
* The <i> entry is formatted as a 3-digit decimal number with leading zero digits.
* @param protocol
* @return a list of indexed protocol entries
*/
public static List<String> protocolList2indexedList(final List<String> protocol) {
List<String> a = new ArrayList<String>();
String p;
for (int i = 0; i < protocol.size(); i++) {
p = protocol.get(i);
if (!p.equals("http")) {
String c = Integer.toString(i);
while (c.length() < 3) c = "0" + c;
a.add(c + "-" + p);
}
}
return a;
}
public static List<String> indexedList2protocolList(Collection<Object> iplist, int dimension) {
List<String> a = new ArrayList<String>(dimension);
for (int i = 0; i < dimension; i++) a.add("http");
if (iplist == null) return a;
for (Object ip : iplist) {
// ip format is 001-https but can be 4 digits 1011-https
int i = ((String) ip).indexOf('-');
a.set(Integer.parseInt(((String) ip).substring(0, i)), ((String) ip).substring(i+1));
}
return a;
}
/**
* encode a string containing attributes from anchor rel properties binary:
* bit 0: "me" contained in rel
* bit 1: "nofollow" contained in rel
* @param rel
* @return binary encoded information about rel
*/
/*
private static List<Integer> relEval(final List<String> rel) {
List<Integer> il = new ArrayList<Integer>(rel.size());
for (final String s: rel) {
int i = 0;
final String s0 = s.toLowerCase().trim();
if ("me".equals(s0)) i += 1;
if ("nofollow".equals(s0)) i += 2;
il.add(i);
}
return il;
}
*/
public static class FailDoc {
DigestURL digestURL;
final Map<String, Pattern> collections;
final String failReason;
final FailType failType;
final int httpstatus;
final Date failtime;
final int crawldepth;
public FailDoc(final DigestURL digestURL, final Map<String, Pattern> collections, final String failReason, final FailType failType, final int httpstatus, final int crawldepth) {
this.digestURL = digestURL;
this.collections = collections;
this.failReason = failReason;
this.failType = failType;
this.httpstatus = httpstatus;
this.failtime = new Date();
this.crawldepth = crawldepth;
}
public FailDoc(final SolrDocument doc) {
try {
this.digestURL = new DigestURL((String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName()));
} catch (MalformedURLException e) {
this.digestURL = null;
}
this.collections = new HashMap<String, Pattern>();
Collection<Object> c = doc.getFieldValues(CollectionSchema.collection_sxt.getSolrFieldName());
if (c != null) for (Object cn: c) if (cn != null) this.collections.put((String) cn, QueryParams.catchall_pattern);
this.failReason = (String) doc.getFieldValue(CollectionSchema.failreason_s.getSolrFieldName());
String fts = (String) doc.getFieldValue(CollectionSchema.failtype_s.getSolrFieldName());
if (fts == null) ConcurrentLog.warn("CollectionConfiguration", "no fail type given for URL " + this.digestURL.toNormalform(true));
this.failType = fts == null ? FailType.fail : FailType.valueOf(fts);
this.httpstatus = (Integer) doc.getFieldValue(CollectionSchema.httpstatus_i.getSolrFieldName());
this.failtime = (Date) doc.getFieldValue(CollectionSchema.load_date_dt.getSolrFieldName());
Integer cd = (Integer) doc.getFieldValue(CollectionSchema.crawldepth_i.getSolrFieldName());
this.crawldepth = cd == null ? 0 : cd.intValue();
}
public DigestURL getDigestURL() {
return digestURL;
}
public Map<String, Pattern> getCollections() {
return collections;
}
public String getFailReason() {
return failReason;
}
public FailType getFailType() {
return failType;
}
public Date getFailDate() {
return this.failtime;
}
public int getHttpstatus() {
return httpstatus;
}
public SolrInputDocument toSolr(CollectionConfiguration configuration) {
boolean allAttr = configuration.isEmpty();
assert allAttr || configuration.contains(CollectionSchema.failreason_s);
final SolrInputDocument doc = new SolrInputDocument();
String url = configuration.addURIAttributes(doc, allAttr, this.getDigestURL());
if (allAttr || configuration.contains(CollectionSchema.content_type)) configuration.add(doc, CollectionSchema.content_type, new String[]{Classification.url2mime(this.digestURL)});
if (allAttr || configuration.contains(CollectionSchema.load_date_dt)) configuration.add(doc, CollectionSchema.load_date_dt, getFailDate());
if (allAttr || configuration.contains(CollectionSchema.crawldepth_i)) configuration.add(doc, CollectionSchema.crawldepth_i, this.crawldepth);
// fail reason and status
if (allAttr || configuration.contains(CollectionSchema.failreason_s)) configuration.add(doc, CollectionSchema.failreason_s, this.getFailReason());
if (allAttr || configuration.contains(CollectionSchema.failtype_s)) configuration.add(doc, CollectionSchema.failtype_s, this.getFailType().name());
if (allAttr || configuration.contains(CollectionSchema.httpstatus_i)) configuration.add(doc, CollectionSchema.httpstatus_i, this.getHttpstatus());
if (allAttr || configuration.contains(CollectionSchema.collection_sxt) && this.getCollections() != null && this.getCollections().size() > 0) {
List<String> cs = new ArrayList<String>();
for (Map.Entry<String, Pattern> e: this.getCollections().entrySet()) {
if (e.getValue().matcher(url).matches()) cs.add(e.getKey());
}
configuration.add(doc, CollectionSchema.collection_sxt, cs);
}
// cr and postprocessing
Set<ProcessType> processTypes = new LinkedHashSet<ProcessType>();
if (allAttr || (configuration.contains(CollectionSchema.cr_host_chance_d) && configuration.contains(CollectionSchema.cr_host_count_i) && configuration.contains(CollectionSchema.cr_host_norm_i))) {
processTypes.add(ProcessType.CITATION); // postprocessing needed
}
if (allAttr || configuration.contains(CollectionSchema.process_sxt)) {
List<String> p = new ArrayList<String>();
for (ProcessType t: processTypes) p.add(t.name());
configuration.add(doc, CollectionSchema.process_sxt, p);
}
return doc;
}
}
}
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