Source Code Cross Referenced for yacyNewsPool.java in  » Search-Engine » yacy » de » anomic » yacy » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Search Engine » yacy » de.anomic.yacy 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // yacyNewsActions.java
002:        // -----------------------
003:        // part of YaCy
004:        // (C) by Michael Peter Christen; mc@anomic.de
005:        // first published on http://www.anomic.de
006:        // Frankfurt, Germany, 2005
007:        //
008:        // $LastChangedDate: 2008-01-24 22:49:00 +0000 (Do, 24 Jan 2008) $
009:        // $LastChangedRevision: 4397 $
010:        // $LastChangedBy: orbiter $
011:        //
012:        // This program is free software; you can redistribute it and/or modify
013:        // it under the terms of the GNU General Public License as published by
014:        // the Free Software Foundation; either version 2 of the License, or
015:        // (at your option) any later version.
016:        //
017:        // This program is distributed in the hope that it will be useful,
018:        // but WITHOUT ANY WARRANTY; without even the implied warranty of
019:        // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
020:        // GNU General Public License for more details.
021:        //
022:        // You should have received a copy of the GNU General Public License
023:        // along with this program; if not, write to the Free Software
024:        // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
025:        //
026:        // Using this software in any meaning (reading, learning, copying, compiling,
027:        // running) means that you agree that the Author(s) is (are) not responsible
028:        // for cost, loss of data or any harm that may be caused directly or indirectly
029:        // by usage of this softare or this documentation. The usage of this software
030:        // is on your own risk. The installation and usage (starting/running) of this
031:        // software may allow other people or application to access your computer and
032:        // any attached devices and is highly dependent on the configuration of the
033:        // software which must be done by the user of the software; the author(s) is
034:        // (are) also not responsible for proper configuration and usage of the
035:        // software, even if provoked by documentation provided together with
036:        // the software.
037:        //
038:        // Any changes to this file according to the GPL as documented in the file
039:        // gpl.txt aside this file in the shipment you received can be done to the
040:        // lines that follows this copyright notice here, but changes must not be
041:        // done inside the copyright notice above. A re-distribution must contain
042:        // the intact and unchanged copyright notice.
043:        // Contributions and changes to the program code must be marked as such.
044:
045:        package de.anomic.yacy;
046:
047:        import java.io.File;
048:        import java.io.IOException;
049:        import java.util.HashSet;
050:        import java.util.Iterator;
051:        import java.util.Map;
052:
053:        import de.anomic.plasma.plasmaSwitchboard;
054:        import de.anomic.plasma.urlPattern.plasmaURLPattern;
055:
056:        public class yacyNewsPool {
057:
058:            public static final int INCOMING_DB = 0;
059:            public static final int PROCESSED_DB = 1;
060:            public static final int OUTGOING_DB = 2;
061:            public static final int PUBLISHED_DB = 3;
062:
063:            /* ========================================================================
064:             * CATEGORIES for YACY NEWS
065:             * ======================================================================== */
066:            /* ------------------------------------------------------------------------
067:             * PROFILE related CATEGORIES
068:             * ------------------------------------------------------------------------ */
069:            public static final String CATEGORY_PROFILE = "prfl";
070:            /**
071:             * a profile entry was updated (implemented)
072:             */
073:            public static final String CATEGORY_PROFILE_UPDATE = "prfleupd";
074:            /**
075:             * a peer starts up and renews its profile broadcast; used to implement supporter page
076:             */
077:            public static final String CATEGORY_PROFILE_BROADCAST = "prflecst";
078:            /**
079:             * a peer has done something good (i.e. served good search results)
080:             * and gets a positive vote so it can rise on the supporter page
081:             */
082:            public static final String CATEGORY_PROFILE_VOTE_GOOD = "prflegvt";
083:            /**
084:             * a peer has done something bad (i.e. spammed) and gets a negative vote
085:             */
086:            public static final String CATEGORY_PROFILE_VOTE_BAD = "prflebvt";
087:
088:            /* ------------------------------------------------------------------------
089:             * CRAWLING related CATEGORIES
090:             * ------------------------------------------------------------------------ */
091:            public static final String CATEGORY_CRAWL = "crwl";
092:            /**
093:             * a crawl with remote indexing was startet
094:             */
095:            public static final String CATEGORY_CRAWL_START = "crwlstrt";
096:            /**
097:             * a crawl with remote indexing was stopped
098:             */
099:            public static final String CATEGORY_CRAWL_STOP = "crwlstop";
100:            /**
101:             * a comment on a crawl with remote indexing
102:             */
103:            public static final String CATEGORY_CRAWL_COMMENT = "crwlcomm";
104:
105:            /* ------------------------------------------------------------------------
106:             * BLACKLIST related CATEGORIES
107:             * ------------------------------------------------------------------------ */
108:            public static final String CATEGORY_BLACKLIST = "blckl";
109:            /**
110:             * a public blacklist entry was added
111:             */
112:            public static final String CATEGORY_BLACKLIST_ADD = "blckladd";
113:            /**
114:             * a vote and comment on a public blacklist add
115:             */
116:            public static final String CATEGORY_BLACKLIST_VOTE_ADD = "blcklavt";
117:            /**
118:             * a public blacklist entry was deleted
119:             */
120:            public static final String CATEGORY_BLACKLIST_DELETE = "blckldel";
121:            /**
122:             * a vote and comment on a public blacklist delete
123:             */
124:            public static final String CATEGORY_BLACKLIST_VOTE_DEL = "blckldvt";
125:
126:            /* ------------------------------------------------------------------------
127:             * FLIE-SHARE related CATEGORIES
128:             * ------------------------------------------------------------------------ */
129:            public static final String CATEGORY_FILESHARE = "flshr";
130:            /**
131:             * a file was added to the file share
132:             */
133:            public static final String CATEGORY_FILESHARE_ADD = "flshradd";
134:            /**
135:             * a file was added to the file share
136:             */
137:            public static final String CATEGORY_FILESHARE_DEL = "flshrdel";
138:            /**
139:             * a comment to a file share entry
140:             */
141:            public static final String CATEGORY_FILESHARE_COMMENT = "flshrcom";
142:
143:            /* ------------------------------------------------------------------------
144:             * BOOKMARK related CATEGORIES
145:             * ------------------------------------------------------------------------ */
146:            public static final String CATEGORY_BOOKMARK = "bkmrk";
147:            /**
148:             * a bookmark was added/created
149:             */
150:            public static final String CATEGORY_BOOKMARK_ADD = "bkmrkadd";
151:            /**
152:             * a vote and comment on a bookmark add
153:             */
154:            public static final String CATEGORY_BOOKMARK_VOTE_ADD = "bkmrkavt";
155:            /**
156:             * a bookmark was moved
157:             */
158:            public static final String CATEGORY_BOOKMARK_MOVE = "bkmrkmov";
159:            /**
160:             * a vote and comment on a bookmark move
161:             */
162:            public static final String CATEGORY_BOOKMARK_VOTE_MOVE = "bkmrkmvt";
163:            /**
164:             * a bookmark was deleted
165:             */
166:            public static final String CATEGORY_BOOKMARK_DEL = "bkmrkdel";
167:            /**
168:             * a vote and comment on a bookmark delete
169:             */
170:            public static final String CATEGORY_BOOKMARK_VOTE_DEL = "bkmrkdvt";
171:
172:            /* ------------------------------------------------------------------------
173:             * SURFTIPP related CATEGORIES
174:             * ------------------------------------------------------------------------ */
175:            public static final String CATEGORY_SURFTIPP = "stipp";
176:            /** 
177:             * a surf tipp was added
178:             */
179:            public static final String CATEGORY_SURFTIPP_ADD = "stippadd";
180:            /**
181:             * a vote and comment on a surf tipp
182:             */
183:            public static final String CATEGORY_SURFTIPP_VOTE_ADD = "stippavt";
184:
185:            /* ------------------------------------------------------------------------
186:             * WIKI related CATEGORIES
187:             * ------------------------------------------------------------------------ */
188:            public static final String CATEGORY_WIKI = "wiki";
189:            /**
190:             * a wiki page was updated
191:             */
192:            public static final String CATEGORY_WIKI_UPDATE = "wiki_upd";
193:            /** 
194:             * a wiki page das deleted
195:             */
196:            public static final String CATEGORY_WIKI_DEL = "wiki_del";
197:
198:            /* ------------------------------------------------------------------------
199:             * BLOG related CATEGORIES
200:             * ------------------------------------------------------------------------ */
201:            public static final String CATEGORY_BLOG = "blog";
202:            /**
203:             * a blog entry was added
204:             */
205:            public static final String CATEGORY_BLOG_ADD = "blog_add";
206:            /**
207:             * a blog page das deleted
208:             */
209:            public static final String CATEGORY_BLOG_DEL = "blog_del";
210:
211:            /* ========================================================================
212:             * ARRAY of valid CATEGORIES
213:             * ======================================================================== */
214:            public static final String[] category = {
215:                    // PROFILE related CATEGORIES
216:                    CATEGORY_PROFILE_UPDATE,
217:                    CATEGORY_PROFILE_BROADCAST,
218:                    CATEGORY_PROFILE_VOTE_GOOD,
219:                    CATEGORY_PROFILE_VOTE_BAD,
220:
221:                    // CRAWLING related CATEGORIES
222:                    CATEGORY_CRAWL_START,
223:                    CATEGORY_CRAWL_STOP,
224:                    CATEGORY_CRAWL_COMMENT,
225:
226:                    // BLACKLIST related CATEGORIES
227:                    CATEGORY_BLACKLIST_ADD,
228:                    CATEGORY_BLACKLIST_VOTE_ADD,
229:                    CATEGORY_BLACKLIST_DELETE,
230:                    CATEGORY_BLACKLIST_VOTE_DEL,
231:
232:                    // FILESHARE related CATEGORIES    	
233:                    CATEGORY_FILESHARE_ADD,
234:                    CATEGORY_FILESHARE_DEL,
235:                    CATEGORY_FILESHARE_COMMENT,
236:
237:                    // BOOKMARK related CATEGORIES
238:                    CATEGORY_BOOKMARK_ADD, CATEGORY_BOOKMARK_VOTE_ADD,
239:                    CATEGORY_BOOKMARK_MOVE, CATEGORY_BOOKMARK_VOTE_MOVE,
240:                    CATEGORY_BOOKMARK_DEL, CATEGORY_BOOKMARK_VOTE_DEL,
241:
242:                    // SURFTIPP related CATEGORIES
243:                    CATEGORY_SURFTIPP_ADD, CATEGORY_SURFTIPP_VOTE_ADD,
244:
245:                    // WIKI related CATEGORIE
246:                    CATEGORY_WIKI_UPDATE, CATEGORY_WIKI_DEL,
247:
248:                    // BLOG related CATEGORIES
249:                    CATEGORY_BLOG_ADD, CATEGORY_BLOG_DEL };
250:            public static HashSet<String> categories;
251:            static {
252:                categories = new HashSet<String>();
253:                for (int i = 0; i < category.length; i++)
254:                    categories.add(category[i]);
255:            }
256:
257:            private yacyNewsDB newsDB;
258:            private yacyNewsQueue outgoingNews, publishedNews, incomingNews,
259:                    processedNews;
260:            private int maxDistribution;
261:
262:            public yacyNewsPool(File yacyDBPath) {
263:                newsDB = new yacyNewsDB(new File(yacyDBPath, "news2.db"));
264:                outgoingNews = new yacyNewsQueue(new File(yacyDBPath,
265:                        "newsOut1.stack"), newsDB);
266:                publishedNews = new yacyNewsQueue(new File(yacyDBPath,
267:                        "newsPublished1.stack"), newsDB);
268:                incomingNews = new yacyNewsQueue(new File(yacyDBPath,
269:                        "newsIn1.stack"), newsDB);
270:                processedNews = new yacyNewsQueue(new File(yacyDBPath,
271:                        "newsProcessed1.stack"), newsDB);
272:                maxDistribution = 30;
273:            }
274:
275:            public synchronized void close() {
276:                newsDB.close();
277:                outgoingNews.close();
278:                publishedNews.close();
279:                incomingNews.close();
280:                processedNews.close();
281:            }
282:
283:            public int dbSize() {
284:                return newsDB.size();
285:            }
286:
287:            public Iterator<yacyNewsRecord> recordIterator(int dbKey, boolean up) {
288:                // returns an iterator of yacyNewsRecord-type objects
289:                yacyNewsQueue queue = switchQueue(dbKey);
290:                return queue.records(up);
291:            }
292:
293:            public void publishMyNews(yacyNewsRecord record) {
294:                // this shall be called if our peer generated a new news record and wants to publish it
295:                if (record == null)
296:                    return;
297:                try {
298:                    if (newsDB.get(record.id()) == null) {
299:                        incomingNews.push(record); // we want to see our own news..
300:                        outgoingNews.push(record); // .. and put it on the publishing list
301:                    }
302:                } catch (IOException e) {
303:                }
304:            }
305:
306:            public yacyNewsRecord myPublication() throws IOException {
307:                // generate a record for next peer-ping
308:                if (outgoingNews.size() == 0)
309:                    return null;
310:                yacyNewsRecord record = outgoingNews.topInc();
311:                if ((record != null)
312:                        && (record.distributed() >= maxDistribution)) {
313:                    // move record to its final position. This is only for history
314:                    publishedNews.push(outgoingNews.pop());
315:                }
316:                return record;
317:            }
318:
319:            public void enqueueIncomingNews(yacyNewsRecord record)
320:                    throws IOException {
321:                // called if a news is attached to a seed
322:
323:                // check consistency
324:                if (record.id() == null)
325:                    return;
326:                if (record.id().length() != yacyNewsRecord.idLength)
327:                    return;
328:                if (record.category() == null)
329:                    return;
330:                if (!(categories.contains(record.category())))
331:                    return;
332:                if (record.created().getTime() == 0)
333:                    return;
334:                Map<String, String> attributes = record.attributes();
335:                if (attributes.containsKey("url")) {
336:                    if (plasmaSwitchboard.urlBlacklist.isListed(
337:                            plasmaURLPattern.BLACKLIST_NEWS, new yacyURL(
338:                                    (String) attributes.get("url"), null))) {
339:                        System.out
340:                                .println("DEBUG: ignored news-entry url blacklisted: "
341:                                        + attributes.get("url"));
342:                        return;
343:                    }
344:                }
345:                if (attributes.containsKey("startURL")) {
346:                    if (plasmaSwitchboard.urlBlacklist.isListed(
347:                            plasmaURLPattern.BLACKLIST_NEWS, new yacyURL(
348:                                    (String) attributes.get("startURL"), null))) {
349:                        System.out
350:                                .println("DEBUG: ignored news-entry url blacklisted: "
351:                                        + attributes.get("startURL"));
352:                        return;
353:                    }
354:                }
355:
356:                // double-check with old news
357:                if (newsDB.get(record.id()) != null)
358:                    return;
359:                incomingNews.push(record);
360:            }
361:
362:            public int size(int dbKey) {
363:                return switchQueue(dbKey).size();
364:            }
365:
366:            public int automaticProcess() throws IOException,
367:                    InterruptedException {
368:                // processes news in the incoming-db
369:                // returns number of processes
370:                yacyNewsRecord record;
371:                int pc = 0;
372:                synchronized (this .incomingNews) {
373:                    Iterator<yacyNewsRecord> i = incomingNews.records(true);
374:                    while (i.hasNext()) {
375:                        // check for interruption
376:                        if (Thread.currentThread().isInterrupted())
377:                            throw new InterruptedException(
378:                                    "Shutdown in progress");
379:
380:                        // get next news record
381:                        record = (yacyNewsRecord) i.next();
382:                        if (automaticProcessP(record)) {
383:                            this .processedNews.push(record);
384:                            i.remove();
385:                            pc++;
386:                        }
387:                    }
388:                }
389:                return pc;
390:            }
391:
392:            long day = 1000 * 60 * 60 * 24;
393:
394:            private boolean automaticProcessP(yacyNewsRecord record) {
395:                if (record == null)
396:                    return false;
397:                if (record.category() == null)
398:                    return true;
399:                if ((System.currentTimeMillis() - record.created().getTime()) > (14 * day)) {
400:                    // remove everything after 1 week
401:                    return true;
402:                }
403:                if ((record.category().equals(CATEGORY_WIKI_UPDATE))
404:                        && ((System.currentTimeMillis() - record.created()
405:                                .getTime()) > (3 * day))) {
406:                    return true;
407:                }
408:                if ((record.category().equals(CATEGORY_BLOG_ADD))
409:                        && ((System.currentTimeMillis() - record.created()
410:                                .getTime()) > (3 * day))) {
411:                    return true;
412:                }
413:                if ((record.category().equals(CATEGORY_PROFILE_UPDATE))
414:                        && ((System.currentTimeMillis() - record.created()
415:                                .getTime()) > (7 * day))) {
416:                    return true;
417:                }
418:                if ((record.category().equals(CATEGORY_CRAWL_START))
419:                        && ((System.currentTimeMillis() - record.created()
420:                                .getTime()) > (2 * day))) {
421:                    yacySeed seed = yacyCore.seedDB.get(record.originator());
422:                    if (seed == null)
423:                        return false;
424:                    try {
425:                        return (Integer
426:                                .parseInt(seed.get(yacySeed.ISPEED, "-")) < 10);
427:                    } catch (NumberFormatException ee) {
428:                        return true;
429:                    }
430:                }
431:                return false;
432:            }
433:
434:            public synchronized yacyNewsRecord getSpecific(int dbKey,
435:                    String category, String key, String value) {
436:                yacyNewsQueue queue = switchQueue(dbKey);
437:                yacyNewsRecord record;
438:                String s;
439:                Iterator<yacyNewsRecord> i = queue.records(true);
440:                while (i.hasNext()) {
441:                    record = i.next();
442:                    if ((record != null)
443:                            && (record.category().equals(category))) {
444:                        s = (String) record.attributes().get(key);
445:                        if ((s != null) && (s.equals(value)))
446:                            return record;
447:                    }
448:                }
449:                return null;
450:            }
451:
452:            public synchronized yacyNewsRecord getByOriginator(int dbKey,
453:                    String category, String originatorHash) {
454:                yacyNewsQueue queue = switchQueue(dbKey);
455:                yacyNewsRecord record;
456:                Iterator<yacyNewsRecord> i = queue.records(true);
457:                while (i.hasNext()) {
458:                    record = i.next();
459:                    if ((record != null)
460:                            && (record.category().equals(category))
461:                            && (record.originator().equals(originatorHash))) {
462:                        return record;
463:                    }
464:                }
465:                return null;
466:            }
467:
468:            public synchronized yacyNewsRecord getByID(int dbKey, String id) {
469:                switch (dbKey) {
470:                case INCOMING_DB:
471:                    return incomingNews.get(id);
472:                case PROCESSED_DB:
473:                    return processedNews.get(id);
474:                case OUTGOING_DB:
475:                    return outgoingNews.get(id);
476:                case PUBLISHED_DB:
477:                    return publishedNews.get(id);
478:                }
479:                return null;
480:            }
481:
482:            private yacyNewsQueue switchQueue(int dbKey) {
483:                switch (dbKey) {
484:                case INCOMING_DB:
485:                    return incomingNews;
486:                case PROCESSED_DB:
487:                    return processedNews;
488:                case OUTGOING_DB:
489:                    return outgoingNews;
490:                case PUBLISHED_DB:
491:                    return publishedNews;
492:                }
493:                return null;
494:            }
495:
496:            public void clear(int dbKey) {
497:                // clear a table
498:                switch (dbKey) {
499:                case INCOMING_DB:
500:                    incomingNews.clear();
501:                    break;
502:                case PROCESSED_DB:
503:                    processedNews.clear();
504:                    break;
505:                case OUTGOING_DB:
506:                    outgoingNews.clear();
507:                    break;
508:                case PUBLISHED_DB:
509:                    publishedNews.clear();
510:                    break;
511:                }
512:            }
513:
514:            public void moveOff(int dbKey, String id) throws IOException {
515:                // this is called if a queue element shall be moved to another queue or off the queue
516:                // it depends on the dbKey how the record is handled
517:                switch (dbKey) {
518:                case INCOMING_DB:
519:                    moveOff(incomingNews, processedNews, id);
520:                    break;
521:                case PROCESSED_DB:
522:                    moveOff(processedNews, null, id);
523:                    break;
524:                case OUTGOING_DB:
525:                    moveOff(outgoingNews, publishedNews, id);
526:                    break;
527:                case PUBLISHED_DB:
528:                    moveOff(publishedNews, null, id);
529:                    break;
530:                }
531:            }
532:
533:            private boolean moveOff(yacyNewsQueue fromqueue,
534:                    yacyNewsQueue toqueue, String id) throws IOException {
535:                // called if a published news shall be removed
536:                yacyNewsRecord record = fromqueue.remove(id);
537:                if (record == null) {
538:                    return false;
539:                }
540:                if (toqueue != null) {
541:                    toqueue.push(record);
542:                } else if ((incomingNews.get(id) == null)
543:                        && (processedNews.get(id) == null)
544:                        && (outgoingNews.get(id) == null)
545:                        && (publishedNews.get(id) == null)) {
546:                    newsDB.remove(id);
547:                }
548:                return true;
549:            }
550:
551:            public void moveOffAll(int dbKey) throws IOException {
552:                // this is called if a queue element shall be moved to another queue or off the queue
553:                // it depends on the dbKey how the record is handled
554:                switch (dbKey) {
555:                case INCOMING_DB:
556:                    moveOffAll(incomingNews, processedNews);
557:                    break;
558:                case PROCESSED_DB:
559:                    processedNews.clear();
560:                    break;
561:                case OUTGOING_DB:
562:                    moveOffAll(outgoingNews, publishedNews);
563:                    break;
564:                case PUBLISHED_DB:
565:                    publishedNews.clear();
566:                    break;
567:                }
568:            }
569:
570:            private int moveOffAll(yacyNewsQueue fromqueue,
571:                    yacyNewsQueue toqueue) throws IOException {
572:                // move off all news from a specific queue to another queue
573:                Iterator<yacyNewsRecord> i = fromqueue.records(true);
574:                yacyNewsRecord record;
575:                if (toqueue == null)
576:                    return 0;
577:                int c = 0;
578:                while (i.hasNext()) {
579:                    record = (yacyNewsRecord) i.next();
580:                    if (record == null)
581:                        continue;
582:                    toqueue.push(record);
583:                    c++;
584:                }
585:                fromqueue.clear();
586:                return c;
587:            }
588:
589:        }
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