Package org.apache.lucene.search

Examples of org.apache.lucene.search.PrefixQuery

219
220
221
222
223
224
225
226
227
228
    RegexpQuery rgxNoSuch = new RegexpQuery(new Term("field", "noSuch"));
    SpanQuery spanRgxNoSuch = new SpanMultiTermQueryWrapper<RegexpQuery>(rgxNoSuch);
    spanFirst = new SpanFirstQuery(spanRgxNoSuch, 10);
    assertEquals(0, searcher.search(spanFirst, 10).totalHits);
   
    PrefixQuery prfxNoSuch = new PrefixQuery(new Term("field", "noSuch"));
    SpanQuery spanPrfxNoSuch = new SpanMultiTermQueryWrapper<PrefixQuery>(prfxNoSuch);
    spanFirst = new SpanFirstQuery(spanPrfxNoSuch, 10);
    assertEquals(0, searcher.search(spanFirst, 10).totalHits);
  }
View Full Code Here
220
221
222
223
224
225
226
227
228
229
230
231
232
233
        }
        phraseQuery.setSlop(pq.getSlop());
        return phraseQuery;
      }
    } else if (query instanceof PrefixQuery) {
      PrefixQuery pq = (PrefixQuery) query;
      Term term = pq.getPrefix();
      if (term.field().equals(BlurConstants.SUPER)) {
        return new PrefixQuery(new Term(name, term.bytes()));
      }
    } else if (query instanceof TermRangeQuery) {
      TermRangeQuery trq = (TermRangeQuery) query;
      BytesRef lowerTerm = trq.getLowerTerm();
      BytesRef upperTerm = trq.getUpperTerm();
View Full Code Here
517
518
519
520
521
522
523
  {
    if (lowercaseExpandedTerms) {
      termStr = termStr.toLowerCase();
    }
    Term t = new Term(field, termStr);
    return new PrefixQuery(t);
  }
View Full Code Here
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
        out.append('~');
        out.append(Integer.toString(q.getMinimumNumberShouldMatch()));
      }

    } else if (query instanceof PrefixQuery) {
      PrefixQuery q = (PrefixQuery) query;
      Term prefix = q.getPrefix();
      FieldType ft = writeFieldName(prefix.field(), schema, out, flags);
      out.append(prefix.text());
      out.append('*');
    } else if (query instanceof ConstantScorePrefixQuery) {
      ConstantScorePrefixQuery q = (ConstantScorePrefixQuery) query;
      Term prefix = q.getPrefix();
      FieldType ft = writeFieldName(prefix.field(), schema, out, flags);
      out.append(prefix.text());
      out.append('*');
    } else if (query instanceof WildcardQuery) {
      out.append(query.toString());
View Full Code Here
109
110
111
112
113
114
115
116
117
118
119
120
121
        writer.addDocument(doc);
      }
      writer.close();
     
      IndexReader reader = IndexReader.open(directory);
      PrefixQuery query = new PrefixQuery(new Term("category", "foo"));
     
      rw1 = query.rewrite(reader);
     
      BooleanQuery bq = new BooleanQuery();
      bq.add(query, true, false);
     
      rw2 = bq.rewrite(reader);
View Full Code Here
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
                break;
            }
            if (!path.endsWith("/")) {
                path += "/";
            }
            qs.add(new PrefixQuery(newPathTerm(path)));
            break;
        case DIRECT_CHILDREN:
            // FIXME OAK-420
            if (!path.endsWith("/")) {
                path += "/";
            }
            qs.add(new PrefixQuery(newPathTerm(path)));
            break;
        case EXACT:
            qs.add(new TermQuery(newPathTerm(path)));
            break;
        case PARENT:
            if (PathUtils.denotesRoot(path)) {
                // there's no parent of the root node
                return null;
            }
            qs.add(new TermQuery(newPathTerm(PathUtils.getParentPath(path))));
            break;
        case NO_RESTRICTION:
            break;
        }

        for (PropertyRestriction pr : filter.getPropertyRestrictions()) {
            String name = pr.propertyName;
            if (name.contains("/")) {
                // lucene cannot handle child-level property restrictions
                continue;
            }

            String first = null;
            String last = null;
            boolean isLike = pr.isLike;

            // TODO what to do with escaped tokens?
            if (pr.first != null) {
                first = pr.first.getValue(Type.STRING);
                first = first.replace("\\", "");
            }
            if (pr.last != null) {
                last = pr.last.getValue(Type.STRING);
                last = last.replace("\\", "");
            }

            if (isLike) {
                first = first.replace('%', WildcardQuery.WILDCARD_STRING);
                first = first.replace('_', WildcardQuery.WILDCARD_CHAR);

                int indexOfWS = first.indexOf(WildcardQuery.WILDCARD_STRING);
                int indexOfWC = first.indexOf(WildcardQuery.WILDCARD_CHAR);
                int len = first.length();

                if (indexOfWS == len || indexOfWC == len) {
                    // remove trailing "*" for prefixquery
                    first = first.substring(0, first.length() - 1);
                    if (JCR_PATH.equals(name)) {
                        qs.add(new PrefixQuery(newPathTerm(first)));
                    } else {
                        qs.add(new PrefixQuery(new Term(name, first)));
                    }
                } else {
                    if (JCR_PATH.equals(name)) {
                        qs.add(new WildcardQuery(newPathTerm(first)));
                    } else {
View Full Code Here
292
293
294
295
296
297
298
        }
        writer.deleteDocuments(newPathTerm(path));
        if (!path.endsWith("/")) {
            path += "/";
        }
        writer.deleteDocuments(new PrefixQuery(newPathTerm(path)));
    }
View Full Code Here
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
                break;
            }
            if (!path.endsWith("/")) {
                path += "/";
            }
            qs.add(new PrefixQuery(newPathTerm(path)));
            break;
        case DIRECT_CHILDREN:
            if (!path.endsWith("/")) {
                path += "/";
            }
            qs.add(new PrefixQuery(newPathTerm(path)));
            break;
        case EXACT:
            qs.add(new TermQuery(newPathTerm(path)));
            break;
        case PARENT:
            if (denotesRoot(path)) {
                // there's no parent of the root node
                // we add a path that can not possibly occur because there
                // is no way to say "match no documents" in Lucene
                qs.add(new TermQuery(new Term(FieldNames.PATH, "///")));
            } else {
                qs.add(new TermQuery(newPathTerm(getParentPath(path))));
            }
            break;
        case NO_RESTRICTION:
            break;
        }

        for (PropertyRestriction pr : filter.getPropertyRestrictions()) {

            if (pr.first == null && pr.last == null) {
                // ignore property existence checks, Lucene can't to 'property
                // is not null' queries (OAK-1208)
                continue;
            }

            // check excluded properties and types
            if (isExcludedProperty(pr, indexDefinition)) {
                continue;
            }

            String name = pr.propertyName;
            if ("rep:excerpt".equals(name)) {
                continue;
            }
            if (JCR_PRIMARYTYPE.equals(name)) {
                continue;
            }

            if (skipTokenization(name)) {
                qs.add(new TermQuery(new Term(name, pr.first
                        .getValue(STRING))));
                continue;
            }

            String first = null;
            String last = null;
            boolean isLike = pr.isLike;

            // TODO what to do with escaped tokens?
            if (pr.first != null) {
                first = pr.first.getValue(STRING);
                first = first.replace("\\", "");
            }
            if (pr.last != null) {
                last = pr.last.getValue(STRING);
                last = last.replace("\\", "");
            }

            if (isLike) {
                first = first.replace('%', WildcardQuery.WILDCARD_STRING);
                first = first.replace('_', WildcardQuery.WILDCARD_CHAR);

                int indexOfWS = first.indexOf(WildcardQuery.WILDCARD_STRING);
                int indexOfWC = first.indexOf(WildcardQuery.WILDCARD_CHAR);
                int len = first.length();

                if (indexOfWS == len || indexOfWC == len) {
                    // remove trailing "*" for prefixquery
                    first = first.substring(0, first.length() - 1);
                    if (JCR_PATH.equals(name)) {
                        qs.add(new PrefixQuery(newPathTerm(first)));
                    } else {
                        qs.add(new PrefixQuery(new Term(name, first)));
                    }
                } else {
                    if (JCR_PATH.equals(name)) {
                        qs.add(new WildcardQuery(newPathTerm(first)));
                    } else {
View Full Code Here
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
                break;
            }
            if (!path.endsWith("/")) {
                path += "/";
            }
            qs.add(new PrefixQuery(newPathTerm(path)));
            break;
        case DIRECT_CHILDREN:
            if (!path.endsWith("/")) {
                path += "/";
            }
            qs.add(new PrefixQuery(newPathTerm(path)));
            break;
        case EXACT:
            qs.add(new TermQuery(newPathTerm(path)));
            break;
        case PARENT:
            if (denotesRoot(path)) {
                // there's no parent of the root node
                // we add a path that can not possibly occur because there
                // is no way to say "match no documents" in Lucene
                qs.add(new TermQuery(new Term(FieldNames.PATH, "///")));
            } else {
                qs.add(new TermQuery(newPathTerm(getParentPath(path))));
            }
            break;
        case NO_RESTRICTION:
            break;
        }

        for (PropertyRestriction pr : filter.getPropertyRestrictions()) {

            if (pr.first == null && pr.last == null) {
                // ignore property existence checks, Lucene can't to 'property
                // is not null' queries (OAK-1208)
                continue;
            }

            // check excluded properties and types
            if (isExcludedProperty(pr, indexDefinition)) {
                continue;
            }

            String name = pr.propertyName;
            if ("rep:excerpt".equals(name)) {
                continue;
            }
            if (JCR_PRIMARYTYPE.equals(name)) {
                continue;
            }

            if (skipTokenization(name)) {
                qs.add(new TermQuery(new Term(name, pr.first
                        .getValue(STRING))));
                continue;
            }

            String first = null;
            String last = null;
            boolean isLike = pr.isLike;

            // TODO what to do with escaped tokens?
            if (pr.first != null) {
                first = pr.first.getValue(STRING);
                first = first.replace("\\", "");
            }
            if (pr.last != null) {
                last = pr.last.getValue(STRING);
                last = last.replace("\\", "");
            }

            if (isLike) {
                first = first.replace('%', WildcardQuery.WILDCARD_STRING);
                first = first.replace('_', WildcardQuery.WILDCARD_CHAR);

                int indexOfWS = first.indexOf(WildcardQuery.WILDCARD_STRING);
                int indexOfWC = first.indexOf(WildcardQuery.WILDCARD_CHAR);
                int len = first.length();

                if (indexOfWS == len || indexOfWC == len) {
                    // remove trailing "*" for prefixquery
                    first = first.substring(0, first.length() - 1);
                    if (JCR_PATH.equals(name)) {
                        qs.add(new PrefixQuery(newPathTerm(first)));
                    } else {
                        qs.add(new PrefixQuery(new Term(name, first)));
                    }
                } else {
                    if (JCR_PATH.equals(name)) {
                        qs.add(new WildcardQuery(newPathTerm(first)));
                    } else {
View Full Code Here
37
38
39
40
41
42
43
44
45
  }

  public QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
    return new QParser(qstr, localParams, params, req) {
      public Query parse() throws ParseException {
        return new PrefixQuery(new Term(localParams.get(QueryParsing.F), localParams.get(QueryParsing.V)));
      }
    };
  }
View Full Code Here
TOP

Related Classes of org.apache.lucene.search.PrefixQuery

  • com.barchart.feed.ddf.resolver.provider.CodecHelper
  • com.browseengine.bobo.test.ProtoBufConvertTest
  • com.esri.gpt.catalog.lucene.QueryProvider
  • com.gnizr.core.search.SearchTermSuggestion
  • com.netflix.exhibitor.core.index.QueryBuilder
  • com.senseidb.search.query.PrefixQueryConstructor
  • com.stratio.cassandra.index.query.PrefixCondition
  • com.stratio.cassandra.index.query.PrefixConditionTest
  • er.luceneadaptor.ERLuceneAdaptorChannel$LuceneQualifierTraversal
  • it.unibz.instasearch.indexing.querying.FieldAliasConverter
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.