boxtec
/
yacy_search_server
mirror of https://github.com/yacy/yacy_search_server
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Code Issues Projects Releases Wiki Activity

continuing the fight against deadlocks during time formatting: better caching.

Browse Source 
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7531 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
orbiter 14 years ago
parent dec24244cf
commit 5e186e0122
28 changed files with 62 additions and 57 deletions
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4
htroot/ContentIntegrationPHPBB3_p.java
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@ -23,8 +23,6 @@
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import java.io.File;
import java.util.Date;
import net.yacy.cora.date.GenericFormatter;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.document.content.dao.Dao;
@ -107,7 +105,7 @@ public class ContentIntegrationPHPBB3_p {
dbpw
);
int files = db.writeSurrogates(db.query(0, -1, 100), sb.surrogatesInPath, "fullexport-" + GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date()), ppf);
int files = db.writeSurrogates(db.query(0, -1, 100), sb.surrogatesInPath, "fullexport-" + GenericFormatter.SHORT_SECOND_FORMATTER.format(), ppf);
prop.put("export", 1);
prop.put("export_files", files);
db.close();

3
htroot/IndexControlURLs_p.java
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@ -28,7 +28,6 @@
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Date;
import java.util.Iterator;
import net.yacy.cora.date.GenericFormatter;
@ -102,7 +101,7 @@ public class IndexControlURLs_p {
prop.put("reload", 1);
} else {
prop.put("lurlexport", 1);
prop.put("lurlexport_exportfile", sb.getDataPath() + "/DATA/EXPORT/" + GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date()));
prop.put("lurlexport_exportfile", sb.getDataPath() + "/DATA/EXPORT/" + GenericFormatter.SHORT_SECOND_FORMATTER.format());
if (export == null) {
// there has never been an export
prop.put("lurlexportfinished", 0);

2
htroot/api/bookmarks/posts/get.java
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@ -28,7 +28,7 @@ public class get {
if (post != null && post.containsKey("date")) {
date = post.get("date");
} else {
date = ISO8601Formatter.FORMATTER.format(new Date(System.currentTimeMillis()));
date = ISO8601Formatter.FORMATTER.format();
}
// if an extended xml should be used

4
htroot/cytag.java
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@ -28,8 +28,6 @@
import java.awt.Image;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import net.yacy.cora.date.GenericFormatter;
import net.yacy.cora.document.MultiProtocolURI;
import net.yacy.cora.protocol.HeaderFramework;
@ -52,7 +50,7 @@ public class cytag {
// harvest request information
StringBuilder connect = new StringBuilder();
connect.append('{');
appendJSON(connect, "time", GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()));
appendJSON(connect, "time", GenericFormatter.SHORT_MILSEC_FORMATTER.format());
appendJSON(connect, "trail", (referer == null) ? "" : referer.toNormalform(false, false));
appendJSON(connect, "nick", (post == null) ? "" : post.get("nick", ""));
appendJSON(connect, "tag", (post == null) ? "" : post.get("tag", ""));

4
htroot/yacy/query.java
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@ -28,8 +28,6 @@
// if the shell's current path is HTROOT
import java.io.IOException;
import java.util.Date;
import net.yacy.cora.date.GenericFormatter;
import net.yacy.cora.protocol.HeaderFramework;
import net.yacy.cora.protocol.RequestHeader;
@ -75,7 +73,7 @@ public final class query {
final String obj = post.get("object", ""); // keyword for query subject
final String env = post.get("env", ""); // argument to query
prop.put("mytime", GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date()));
prop.put("mytime", GenericFormatter.SHORT_SECOND_FORMATTER.format());
// check if we are the right target and requester has correct information about this peer
if (sb.peers.mySeed() == null || !sb.peers.mySeed().hash.equals(youare)) {

2
source/de/anomic/data/BlogBoard.java
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@ -434,7 +434,7 @@ public class BlogBoard {
if (Log.isFinest("Blog")) {
Log.logFinest("Blog", "ERROR: date field missing in blogBoard");
}
return GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date());
return GenericFormatter.SHORT_SECOND_FORMATTER.format();
}
return timestamp;
}

8
source/de/anomic/data/WorkTables.java
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@ -124,7 +124,7 @@ public class WorkTables extends Tables {
Data data = new Data();
data.put(TABLE_API_COL_TYPE, type.getBytes());
data.put(TABLE_API_COL_COMMENT, comment.getBytes());
byte[] date = GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()).getBytes();
byte[] date = GenericFormatter.SHORT_MILSEC_FORMATTER.format().getBytes();
data.put(TABLE_API_COL_DATE_RECORDING, date);
data.put(TABLE_API_COL_DATE_LAST_EXEC, date);
data.put(TABLE_API_COL_URL, apiurl.getBytes());
@ -136,7 +136,7 @@ public class WorkTables extends Tables {
// modify and update existing entry
// modify date attributes and patch old values
row.put(TABLE_API_COL_DATE_LAST_EXEC, GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()).getBytes());
row.put(TABLE_API_COL_DATE_LAST_EXEC, GenericFormatter.SHORT_MILSEC_FORMATTER.format().getBytes());
if (!row.containsKey(TABLE_API_COL_DATE_RECORDING)) row.put(TABLE_API_COL_DATE_RECORDING, row.get(TABLE_API_COL_DATE));
row.remove(TABLE_API_COL_DATE);
@ -185,7 +185,7 @@ public class WorkTables extends Tables {
Data data = new Data();
data.put(TABLE_API_COL_TYPE, type.getBytes());
data.put(TABLE_API_COL_COMMENT, comment.getBytes());
byte[] date = GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()).getBytes();
byte[] date = GenericFormatter.SHORT_MILSEC_FORMATTER.format().getBytes();
data.put(TABLE_API_COL_DATE_RECORDING, date);
data.put(TABLE_API_COL_DATE_LAST_EXEC, date);
data.put(TABLE_API_COL_URL, apiurl.getBytes());
@ -309,7 +309,7 @@ public class WorkTables extends Tables {
try {
// create and insert new entry
Data data = new Data();
byte[] date = GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()).getBytes();
byte[] date = GenericFormatter.SHORT_MILSEC_FORMATTER.format().getBytes();
data.put(TABLE_SEARCH_FAILURE_COL_URL, url.toNormalform(true, false));
data.put(TABLE_SEARCH_FAILURE_COL_DATE, date);
data.put(TABLE_SEARCH_FAILURE_COL_WORDS, queryHashes.export());

2
source/de/anomic/http/server/HTTPDFileHandler.java
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@ -828,7 +828,7 @@ public final class HTTPDFileHandler {
templatePatterns.put(servletProperties.PEER_STAT_UPTIME, ((System.currentTimeMillis() - serverCore.startupTime) / 1000) / 60); // uptime in minutes
templatePatterns.putHTML(servletProperties.PEER_STAT_CLIENTNAME, sb.peers.mySeed().getName());
templatePatterns.putHTML(servletProperties.PEER_STAT_CLIENTID, ((Switchboard) switchboard).peers.myID());
templatePatterns.put(servletProperties.PEER_STAT_MYTIME, GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date()));
templatePatterns.put(servletProperties.PEER_STAT_MYTIME, GenericFormatter.SHORT_SECOND_FORMATTER.format());
yacySeed myPeer = sb.peers.mySeed();
templatePatterns.put("newpeer", myPeer.getAge() >= 1 ? 0 : 1);
templatePatterns.putHTML("newpeer_peerhash", myPeer.hash);

3
source/de/anomic/search/AccessTracker.java
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@ -26,7 +26,6 @@ import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedList;
@ -85,7 +84,7 @@ public class AccessTracker {
//if (query.resultcount == 0) return;
if (query.queryString == null || query.queryString.length() == 0) return;
StringBuilder sb = new StringBuilder(40);
sb.append(GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date()));
sb.append(GenericFormatter.SHORT_SECOND_FORMATTER.format());
sb.append(' ');
sb.append(Integer.toString(query.resultcount));
sb.append(' ');

4
source/de/anomic/yacy/graphics/WebStructureGraph.java
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@ -150,7 +150,7 @@ public class WebStructureGraph {
private static String map2refstr(final Map<String, Integer> map) {
final StringBuilder s = new StringBuilder(map.size() * 10);
s.append(GenericFormatter.SHORT_DAY_FORMATTER.format(new Date()));
s.append(GenericFormatter.SHORT_DAY_FORMATTER.format());
String h;
for (final Map.Entry<String, Integer> entry : map.entrySet()) {
s.append(entry.getKey());
@ -229,7 +229,7 @@ public class WebStructureGraph {
return new structureEntry(
domhash,
host,
GenericFormatter.SHORT_DAY_FORMATTER.format(new Date()),
GenericFormatter.SHORT_DAY_FORMATTER.format(),
domhashes);
}

2
source/de/anomic/yacy/yacyCore.java
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@ -212,7 +212,7 @@ public class yacyCore {
}
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND);
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND, GenericFormatter.time_second);
protected class publishThread extends Thread {
int added;

5
source/de/anomic/yacy/yacyNetwork.java
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@ -27,7 +27,6 @@
package de.anomic.yacy;
import java.util.Date;
import java.util.LinkedHashMap;
import net.yacy.cora.date.GenericFormatter;
@ -93,7 +92,7 @@ public class yacyNetwork {
}
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND);
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND, GenericFormatter.time_second);
public static final LinkedHashMap<String,ContentBody> basicRequestParts(String myHash, String targetHash, String networkName) {
// put in all the essentials for routing and network authentication
@ -106,7 +105,7 @@ public class yacyNetwork {
if (targetHash != null) parts.put("youare", UTF8.StringBody(targetHash));
// time information for synchronization
parts.put("mytime", UTF8.StringBody(my_SHORT_SECOND_FORMATTER.format(new Date())));
parts.put("mytime", UTF8.StringBody(my_SHORT_SECOND_FORMATTER.format()));
parts.put("myUTC", UTF8.StringBody(Long.toString(System.currentTimeMillis())));
// network identification

2
source/de/anomic/yacy/yacyNewsDB.java
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@ -159,7 +159,7 @@ public class yacyNewsDB {
}
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND);
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND, GenericFormatter.time_second);
private Record b2r(final Row.Entry b) {
if (b == null) return null;

3
source/de/anomic/yacy/yacyNewsQueue.java
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@ -46,7 +46,6 @@ package de.anomic.yacy;
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
@ -169,7 +168,7 @@ public class yacyNewsQueue {
newsDB.put(r);
final Row.Entry b = queueStack.row().newEntry(new byte[][]{
r.id().getBytes(),
GenericFormatter.SHORT_SECOND_FORMATTER.format(new Date()).getBytes()});
GenericFormatter.SHORT_SECOND_FORMATTER.format().getBytes()});
return b;
}

4
source/de/anomic/yacy/yacySeed.java
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@ -185,7 +185,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
}
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND);
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND, GenericFormatter.time_second);
private yacySeed(final String theHash) {
this.dna = new ConcurrentHashMap<String, String>();
@ -728,7 +728,7 @@ public class yacySeed implements Cloneable, Comparable<yacySeed>, Comparator<yac
// now calculate other information about the host
newSeed.dna.put(yacySeed.NAME, (name) == null ? defaultPeerName() : name);
newSeed.dna.put(yacySeed.PORT, Integer.toString((port <= 0) ? 8090 : port));
newSeed.dna.put(yacySeed.BDATE, my_SHORT_SECOND_FORMATTER.format(new Date(System.currentTimeMillis() /*- DateFormatter.UTCDiff()*/)) );
newSeed.dna.put(yacySeed.BDATE, my_SHORT_SECOND_FORMATTER.format());
newSeed.dna.put(yacySeed.LASTSEEN, newSeed.dna.get(yacySeed.BDATE)); // just as initial setting
newSeed.dna.put(yacySeed.UTC, GenericFormatter.UTCDiffString());
newSeed.dna.put(yacySeed.PEERTYPE, yacySeed.PEERTYPE_VIRGIN);

1
source/net/yacy/cora/date/AbstractFormatter.java
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@ -41,5 +41,6 @@ public abstract class AbstractFormatter implements DateFormatter {
public abstract Date parse(String s) throws ParseException;
public abstract String format(final Date date);
public abstract String format();
}

1
source/net/yacy/cora/date/DateFormatter.java
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@ -27,5 +27,6 @@ public interface DateFormatter {
public Date parse(String s) throws ParseException;
public String format(final Date date);
public String format();
}

36
source/net/yacy/cora/date/GenericFormatter.java
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@ -50,21 +50,19 @@ public class GenericFormatter extends AbstractFormatter implements DateFormatter
FORMAT_SHORT_MILSEC.setTimeZone(TZ_GMT);
}
public static final GenericFormatter SHORT_DAY_FORMATTER = new GenericFormatter(FORMAT_SHORT_DAY);
public static final GenericFormatter SHORT_SECOND_FORMATTER = new GenericFormatter(FORMAT_SHORT_SECOND);
public static final long time_second = 1000L;
public static final long time_minute = 60000L;
public static final long time_hour = 60 * time_minute;
public static final long time_day = 24 * time_hour;
public static final GenericFormatter SHORT_DAY_FORMATTER = new GenericFormatter(FORMAT_SHORT_DAY, time_minute);
public static final GenericFormatter SHORT_SECOND_FORMATTER = new GenericFormatter(FORMAT_SHORT_SECOND, time_second);
public static final GenericFormatter SHORT_MILSEC_FORMATTER = new GenericFormatter(FORMAT_SHORT_MILSEC, 1);
public static final GenericFormatter ANSIC_FORMATTER = new GenericFormatter(FORMAT_ANSIC);
public static final GenericFormatter RFC1123_SHORT_FORMATTER = new GenericFormatter(FORMAT_RFC1123_SHORT);
public static final GenericFormatter ANSIC_FORMATTER = new GenericFormatter(FORMAT_ANSIC, time_second);
public static final GenericFormatter RFC1123_SHORT_FORMATTER = new GenericFormatter(FORMAT_RFC1123_SHORT, time_minute);
private SimpleDateFormat dateFormat;
private long maxCacheDiff;
public GenericFormatter(SimpleDateFormat dateFormat) {
this.dateFormat = dateFormat;
this.last_time = 0;
this.last_format = "";
this.maxCacheDiff = 1000;
}
public GenericFormatter(SimpleDateFormat dateFormat, long maxCacheDiff) {
this.dateFormat = dateFormat;
@ -84,14 +82,22 @@ public class GenericFormatter extends AbstractFormatter implements DateFormatter
@Override
public String format(final Date date) {
if (date == null) return "";
if (Math.abs(date.getTime() - last_time) < maxCacheDiff) return last_format;
synchronized (this.dateFormat) {
// calculate the date
return this.dateFormat.format(date);
}
}
public String format() {
if (Math.abs(System.currentTimeMillis() - last_time) < maxCacheDiff) return last_format;
synchronized (this.dateFormat) {
// threads that had been waiting here may use the cache now instead of calculating the date again
if (Math.abs(date.getTime() - last_time) < maxCacheDiff) return last_format;
long time = System.currentTimeMillis();
if (Math.abs(time - last_time) < maxCacheDiff) return last_format;
// if the cache is not fresh, calculate the date
last_format = this.dateFormat.format(date);
last_time = date.getTime();
last_format = this.dateFormat.format(new Date(time));
last_time = time;
}
return last_format;
}

9
source/net/yacy/cora/date/ISO8601Formatter.java
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@ -187,5 +187,14 @@ public class ISO8601Formatter extends AbstractFormatter implements DateFormatter
}
return last_format;
}
public final String format() {
long time = System.currentTimeMillis();
if (Math.abs(time - last_time) < 1000) return last_format;
synchronized (FORMAT_ISO8601) {
last_format = FORMAT_ISO8601.format(new Date(time));
last_time = time;
}
return last_format;
}
}

2
source/net/yacy/cora/document/RSSMessage.java
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@ -90,7 +90,7 @@ public class RSSMessage implements Hit, Comparable<RSSMessage>, Comparator<RSSMe
map.put("title", title);
map.put("description", description);
map.put("link", link);
map.put("pubDate", ISO8601Formatter.FORMATTER.format(new Date()));
map.put("pubDate", ISO8601Formatter.FORMATTER.format());
map.put("guid", artificialGuidPrefix + Integer.toHexString((title + description + link).hashCode()));
}

1
source/net/yacy/cora/services/SearchSRURSS.java
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@ -31,7 +31,6 @@ import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.apache.http.entity.mime.content.ContentBody;
import org.apache.http.entity.mime.content.StringBody;
import net.yacy.cora.document.MultiProtocolURI;
import net.yacy.cora.document.RSSFeed;

2
source/net/yacy/document/importer/OAIPMHImporter.java
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@ -242,6 +242,6 @@ public class OAIPMHImporter extends Thread implements Importer, Comparable<OAIPM
public static final String filename4Source(DigestURI source) {
return filenamePrefix + OAIPMHImporter.filenameSeparationChar +
OAIPMHImporter.hostID(source) + OAIPMHImporter.filenameSeparationChar +
GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()) + ".xml";
GenericFormatter.SHORT_MILSEC_FORMATTER.format() + ".xml";
}
}

2
source/net/yacy/document/importer/ResumptionToken.java
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@ -142,7 +142,7 @@ public class ResumptionToken extends TreeMap<String, String> {
// can be detected with given expiration date
Date expiration = getExpirationDate();
if (expiration != null) {
if (expiration.before(new Date())) throw new IOException("the resumption is expired at " + ISO8601Formatter.FORMATTER.format(expiration) + " (now: " + ISO8601Formatter.FORMATTER.format(new Date()));
if (expiration.before(new Date())) throw new IOException("the resumption is expired at " + ISO8601Formatter.FORMATTER.format(expiration) + " (now: " + ISO8601Formatter.FORMATTER.format());
// the resumption token is still fresh
}
String u = url + "verb=ListRecords&resumptionToken=" + escape(token);

2
source/net/yacy/kelondro/blob/ArrayStack.java
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@ -98,7 +98,7 @@ public class ArrayStack implements BLOB {
private final ExecutorService executor;
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_MILSEC_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_MILSEC);
private final static GenericFormatter my_SHORT_MILSEC_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_MILSEC, 1);
public ArrayStack(

5
source/net/yacy/kelondro/blob/MapHeap.java
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@ -33,7 +33,6 @@ import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
@ -130,7 +129,7 @@ public class MapHeap implements Map<byte[], Map<String, String>> {
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND);
private final static GenericFormatter my_SHORT_SECOND_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_SECOND, GenericFormatter.time_second);
/**
* write a whole byte array as Map to the table
@ -144,7 +143,7 @@ public class MapHeap implements Map<byte[], Map<String, String>> {
assert key.length > 0;
assert newMap != null;
key = normalizeKey(key);
String s = map2string(newMap, "W" + my_SHORT_SECOND_FORMATTER.format(new Date()) + " ");
String s = map2string(newMap, "W" + my_SHORT_SECOND_FORMATTER.format() + " ");
assert s != null;
byte[] sb = s.getBytes();
synchronized (this) {

2
source/net/yacy/kelondro/blob/Tables.java
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@ -61,7 +61,7 @@ public class Tables {
int keymaxlen;
// use our own formatter to prevent concurrency locks with other processes
private final static GenericFormatter my_SHORT_MILSEC_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_MILSEC);
private final static GenericFormatter my_SHORT_MILSEC_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_MILSEC, 1);
public Tables(final File location, final int keymaxlen) {
this.location = new File(location.getAbsolutePath());

2
source/net/yacy/kelondro/data/meta/URIMetadataRow.java
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@ -106,7 +106,7 @@ public class URIMetadataRow implements URIMetadata {
private final long ranking; // during generation of a search result this value is set
private Components comp;
private static final GenericFormatter mySHORT_DAY_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_DAY);
private static final GenericFormatter mySHORT_DAY_FORMATTER = new GenericFormatter(GenericFormatter.FORMAT_SHORT_DAY, GenericFormatter.time_minute);
public URIMetadataRow() {
// create a dummy entry, good to produce poison objects

2
source/net/yacy/kelondro/table/SplitTable.java
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@ -136,7 +136,7 @@ public class SplitTable implements Index, Iterable<Row.Entry> {
}
private String newFilename() {
return prefix + "." + GenericFormatter.SHORT_MILSEC_FORMATTER.format(new Date()) + ".table";
return prefix + "." + GenericFormatter.SHORT_MILSEC_FORMATTER.format() + ".table";
}
private void init() throws RowSpaceExceededException {

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