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252 lines
14 KiB
252 lines
14 KiB
/**
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* WebgraphSchema
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* Copyright 2011 by Michael Peter Christen
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* First released 19.02.2013 at http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.search.schema;
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import java.util.Date;
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import java.util.List;
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import net.yacy.cora.federate.solr.SchemaDeclaration;
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import net.yacy.cora.federate.solr.SolrType;
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import org.apache.solr.common.SolrInputDocument;
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public enum WebgraphSchema implements SchemaDeclaration {
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// index organisation
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id(SolrType.string, true, true, false, false, false, "primary key of document, a combination of <source-url-hash><target-url-hash><four-digit-hex-counter> (28 characters)"),
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last_modified(SolrType.date, true, true, false, false, false, "last-modified from http header"),
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load_date_dt(SolrType.date, true, true, false, false, false, "time when resource was loaded"),
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collection_sxt(SolrType.string, true, true, true, false, false, "tags that are attached to crawls/index generation to separate the search result into user-defined subsets"),
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process_sxt(SolrType.string, true, true, true, false, false, "needed (post-)processing steps on this metadata set, used i.e. for clickdepth-computation."),
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// source information
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source_id_s(SolrType.string, true, true, false, false, false, "primary key of document, the URL hash (source)"),
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source_protocol_s(SolrType.string, true, true, false, false, false, "the protocol of the url (source)"),
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source_urlstub_s(SolrType.string, true, true, false, false, false, "the url without the protocol (source)"),
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source_file_name_s(SolrType.string, true, true, false, false, false, "the file name without the extension (source)"),
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source_file_ext_s(SolrType.string, true, true, false, false, false, "the file name extension (source)"),
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source_chars_i(SolrType.num_integer, true, true, false, false, false, "number of all characters in the url (source)"),
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source_path_s(SolrType.string, true, true, false, false, false, "path of the url (source)"),
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source_path_folders_count_i(SolrType.num_integer, true, true, false, false, false, "count of all path elements in the url (source)"),
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source_path_folders_sxt(SolrType.string, true, true, true, false, false, "all path elements in the url without the file name (source)"),
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source_parameter_count_i(SolrType.num_integer, true, true, false, false, false, "number of key-value pairs in search part of the url (source)"),
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source_parameter_key_sxt(SolrType.string, true, true, true, false, false, "the keys from key-value pairs in the search part of the url (source)"),
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source_parameter_value_sxt(SolrType.string, true, true, true, false, false, "the values from key-value pairs in the search part of the url (source)"),
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source_clickdepth_i(SolrType.num_integer, true, true, false, false, false, "depth of web page according to number of clicks from the 'main' page, which is the page that appears if only the host is entered as url (source)"),
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source_host_s(SolrType.string, true, true, false, false, false, "host of the url (source)"),
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source_host_id_s(SolrType.string, true, true, false, false, false, "id of the host (source)"),
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source_host_dnc_s(SolrType.string, true, true, false, false, false, "the Domain Class Name, either the TLD or a combination of ccSLD+TLD if a ccSLD is used (source)"),
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source_host_organization_s(SolrType.string, true, true, false, false, false, "either the second level domain or, if a ccSLD is used, the third level domain"),
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source_host_organizationdnc_s(SolrType.string, true, true, false, false, false, "the organization and dnc concatenated with '.' (source)"),
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source_host_subdomain_s(SolrType.string, true, true, false, false, false, "the remaining part of the host without organizationdnc (source)"),
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// information in the source about the target
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target_linktext_t(SolrType.text_general, true, true, false, false, true, "the text content of the a-tag (in source, but pointing to a target)"),
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target_linktext_charcount_i(SolrType.num_integer, true, true, false, false, false, "the length of the a-tag content text as number of characters (in source, but pointing to a target)"),
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target_linktext_wordcount_i(SolrType.num_integer, true, true, false, false, false, "the length of the a-tag content text as number of words (in source, but pointing to a target)"),
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target_alt_t(SolrType.text_general, true, true, false, false, true, "if the link is an image link, this contains the alt tag if the image is also liked as img link (in source, but pointing to a target)"),
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target_alt_charcount_i(SolrType.num_integer, true, true, false, false, false, "the length of the a-tag content text as number of characters (in source, but pointing to a target)"),
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target_alt_wordcount_i(SolrType.num_integer, true, true, false, false, false, "the length of the a-tag content text as number of words (in source, but pointing to a target)"),
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target_name_t(SolrType.text_general, true, true, false, false, true, "the name property of the a-tag (in source, but pointing to a target)"),
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target_rel_s(SolrType.string, true, true, false, false, false, "the rel property of the a-tag (in source, but pointing to a target)"),
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target_relflags_i(SolrType.num_integer, true, true, false, false, false, "the rel property of the a-tag, coded binary (in source, but pointing to a target)"),
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// target information
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target_id_s(SolrType.string, true, true, false, false, false, "primary key of document, the URL hash (target)"),
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target_order_i(SolrType.num_integer, true, true, false, false, false, "order number of target url, a count from first to last URL on the source page (target)"),
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target_protocol_s(SolrType.string, true, true, false, false, false, "the protocol of the url (target)"),
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target_urlstub_s(SolrType.string, true, true, false, false, false, "the url without the protocol (target)"),
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target_file_name_s(SolrType.string, true, true, false, false, false, "the file name without the extension (target)"),
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target_file_ext_s(SolrType.string, true, true, false, false, true, "the file name extension (target)"),
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target_chars_i(SolrType.num_integer, true, true, false, false, false, "number of all characters in the url (target)"),
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target_path_s(SolrType.string, true, true, false, false, false, "path of the url (target)"),
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target_path_folders_count_i(SolrType.num_integer, true, true, false, false, false, "count of all path elements in the url (target)"),
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target_path_folders_sxt(SolrType.string, true, true, true, false, true, "all path elements in the url without the file name (target)"),
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target_parameter_count_i(SolrType.num_integer, true, true, false, false, false, "number of key-value pairs in search part of the url (target)"),
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target_parameter_key_sxt(SolrType.string, true, true, true, false, false, "the keys from key-value pairs in the search part of the url (target)"),
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target_parameter_value_sxt(SolrType.string, true, true, true, false, true, "the values from key-value pairs in the search part of the url (target)"),
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target_clickdepth_i(SolrType.num_integer, true, true, false, false, false, "depth of web page according to number of clicks from the 'main' page, which is the page that appears if only the host is entered as url (target)"),
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target_host_s(SolrType.string, true, true, false, false, true, "host of the url (target)"),
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target_host_id_s(SolrType.string, true, true, false, false, false, "id of the host (target)"),
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target_host_dnc_s(SolrType.string, true, true, false, false, true, "the Domain Class Name, either the TLD or a combination of ccSLD+TLD if a ccSLD is used (target)"),
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target_host_organization_s(SolrType.string, true, true, false, false, true, "either the second level domain or, if a ccSLD is used, the third level domain (target)"),
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target_host_organizationdnc_s(SolrType.string, true, true, false, false, true, "the organization and dnc concatenated with '.' (target)"),
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target_host_subdomain_s(SolrType.string, true, true, false, false, true, "the remaining part of the host without organizationdnc (target)"),
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target_inbound_b(SolrType.bool, true, true, false, false, false, "flag shows if the target host is equal to the source host");
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public final static String CORE_NAME = "webgraph";
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public final static String VOCABULARY_PREFIX = "vocabulary_";
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public final static String VOCABULARY_SUFFIX = "_sxt";
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private String solrFieldName = null; // solr field name in custom solr schema
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private final SolrType type;
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private final boolean indexed, stored, multiValued, omitNorms, searchable;
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private String comment;
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private WebgraphSchema(final SolrType type, final boolean indexed, final boolean stored, final boolean multiValued, final boolean omitNorms, final boolean searchable, final String comment) {
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this.type = type;
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this.indexed = indexed;
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this.stored = stored;
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this.multiValued = multiValued;
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this.omitNorms = omitNorms;
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this.searchable = searchable;
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this.comment = comment;
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assert type.appropriateName(this) : "bad configuration: " + this.name();
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}
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/**
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* Returns the YaCy default or (if available) custom field name for Solr
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* @return SolrFieldname String
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*/
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@Override
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public final String getSolrFieldName() {
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return (this.solrFieldName == null ? this.name() : this.solrFieldName);
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}
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/**
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* Set a custom Solr field name (and converts it to lower case)
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* @param theValue = the field name
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*/
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public final void setSolrFieldName(String theValue) {
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// make sure no empty string is assigned
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if ( (theValue != null) && (!theValue.isEmpty()) ) {
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this.solrFieldName = theValue.toLowerCase();
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} else {
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this.solrFieldName = null;
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}
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}
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@Override
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public final SolrType getType() {
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return this.type;
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}
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@Override
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public final boolean isIndexed() {
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return this.indexed;
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}
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@Override
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public final boolean isStored() {
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return this.stored;
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}
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@Override
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public final boolean isMultiValued() {
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return this.multiValued;
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}
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@Override
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public final boolean isOmitNorms() {
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return this.omitNorms;
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}
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@Override
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public final boolean isSearchable() {
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return this.searchable;
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}
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@Override
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public final String getComment() {
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return this.comment;
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}
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public final void add(final SolrInputDocument doc, final String value) {
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assert !this.isMultiValued();
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final Date value) {
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assert !this.isMultiValued();
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assert this.type == SolrType.date;
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final int value) {
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assert !this.isMultiValued();
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assert this.type == SolrType.num_integer;
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final long value) {
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assert !this.isMultiValued();
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assert this.type == SolrType.num_long;
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final String[] value) {
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assert this.isMultiValued();
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final Integer[] value) {
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assert this.isMultiValued();
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final List<?> value) {
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assert this.isMultiValued();
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if (value == null || value.size() == 0) {
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if (this.type == SolrType.num_integer) {
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doc.setField(this.getSolrFieldName(), new Integer[0]);
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} else if (this.type == SolrType.string) {
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doc.setField(this.getSolrFieldName(), new String[0]);
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} else {
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assert false;
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doc.setField(this.getSolrFieldName(), new Object[0]);
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}
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return;
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}
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if (this.type == SolrType.num_integer) {
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assert (value.iterator().next() instanceof Integer);
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doc.setField(this.getSolrFieldName(), value.toArray(new Integer[value.size()]));
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} else if (this.type == SolrType.string || this.type == SolrType.text_general) {
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assert (value.iterator().next() instanceof String);
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doc.setField(this.getSolrFieldName(), value.toArray(new String[value.size()]));
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} else {
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assert false : "ADD: type is " + this.type.name();
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doc.setField(this.getSolrFieldName(), value.toArray(new Object[value.size()]));
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}
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}
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public final void add(final SolrInputDocument doc, final float value) {
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assert !this.isMultiValued();
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final double value) {
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assert !this.isMultiValued();
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doc.setField(this.getSolrFieldName(), value);
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}
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public final void add(final SolrInputDocument doc, final boolean value) {
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assert !this.isMultiValued();
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doc.setField(this.getSolrFieldName(), value);
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}
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}
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