Package org.apache.lucene.search

Examples of org.apache.lucene.search.MatchAllDocsQuery

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      statesQuery.add(new BooleanClause(stateQuery, occur));
    }

    /* Check if the match-all-docs query is required */
    if (newsStates.size() == 1 && condition.getSpecifier().isNegation())
      statesQuery.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
  }
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       * the supplied conditions should match in the result set.
       */
      if (condition.getSpecifier().isNegation() && !matchAllConditions) {
        BooleanQuery nestedquery = new BooleanQuery();
        nestedquery.add(clause);
        nestedquery.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
        fieldQuery.add(new BooleanClause(nestedquery, Occur.SHOULD));
      }

      /* Normal Case */
      else {
        fieldQuery.add(clause);
      }
    }

    /* Add the MatchAllDocsQuery (MUST_NOT is used, All Conditions match) */
    if (fieldQuery != null && matchAllConditions) {
      boolean requireAllDocsQuery = true;
      BooleanClause[] clauses = fieldQuery.getClauses();
      for (BooleanClause clause : clauses) {
        if (clause.getOccur() != Occur.MUST_NOT) {
          requireAllDocsQuery = false;
          break;
        }
      }

      /* Add if required */
      if (requireAllDocsQuery)
        fieldQuery.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
    }
  }
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      statesQuery.add(new BooleanClause(stateQuery, occur));
    }

    /* Check if the match-all-docs query is required */
    if (condition.getSpecifier().isNegation())
      statesQuery.add(new BooleanClause(new MatchAllDocsQuery(), Occur.MUST));
  }
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  public void testMatchAllDocs() throws Exception {
    StandardQueryParser qp = new StandardQueryParser();
    qp.setAnalyzer(new WhitespaceAnalyzer());

    assertEquals(new MatchAllDocsQuery(), qp.parse("*:*", "field"));
    assertEquals(new MatchAllDocsQuery(), qp.parse("(*:*)", "field"));
    BooleanQuery bq = (BooleanQuery) qp.parse("+*:* -*:*", "field");
    assertTrue(bq.getClauses()[0].getQuery() instanceof MatchAllDocsQuery);
    assertTrue(bq.getClauses()[1].getQuery() instanceof MatchAllDocsQuery);
  }
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  }

  public void testMatchAllDocs() throws Exception {
    QueryParserWrapper qp = new QueryParserWrapper("field",
        new WhitespaceAnalyzer());
    assertEquals(new MatchAllDocsQuery(), qp.parse("*:*"));
    assertEquals(new MatchAllDocsQuery(), qp.parse("(*:*)"));
    BooleanQuery bq = (BooleanQuery) qp.parse("+*:* -*:*");
    assertTrue(bq.getClauses()[0].getQuery() instanceof MatchAllDocsQuery);
    assertTrue(bq.getClauses()[1].getQuery() instanceof MatchAllDocsQuery);
  }
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  /**
   * Builds a new MatchAllDocsQuery instance
   * @return new MatchAllDocsQuery instance
   */
  protected Query newMatchAllDocsQuery() {
    return new MatchAllDocsQuery();
  }
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  }

  public void testLatLongFilterOnDeletedDocs() throws Exception {
    writer.deleteDocuments(new Term("name", "Potomac"));
    IndexReader r = writer.getReader();
    LatLongDistanceFilter f = new LatLongDistanceFilter(new QueryWrapperFilter(new MatchAllDocsQuery()),
                                                        lat, lng, 1.0, latField, lngField);

    IndexReader[] readers = r.getSequentialSubReaders();
    for(int i=0;i<readers.length;i++) {
      f.getDocIdSet(readers[i]);
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    chain[0] = cachingFilter;
    chain[1] = cachingFilter2;
    ChainedFilter cf = new ChainedFilter(chain);
 
    // throws java.lang.ClassCastException: org.apache.lucene.util.OpenBitSet cannot be cast to java.util.BitSet
    searcher.search(new MatchAllDocsQuery(), cf, 1);
  }
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    }
  }

  public void testMatchAllDocs() throws Exception {
    QueryParser qp = new QueryParser(Version.LUCENE_CURRENT, "field", new WhitespaceAnalyzer());
    assertEquals(new MatchAllDocsQuery(), qp.parse("*:*"));
    assertEquals(new MatchAllDocsQuery(), qp.parse("(*:*)"));
    BooleanQuery bq = (BooleanQuery)qp.parse("+*:* -*:*");
    assertTrue(bq.getClauses()[0].getQuery() instanceof MatchAllDocsQuery);
    assertTrue(bq.getClauses()[1].getQuery() instanceof MatchAllDocsQuery);
  }
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    writer.commit();

    // try the search over the first doc
    DirectoryReader directoryReader = DirectoryReader.open(dir);
    IndexSearcher indexSearcher = newSearcher(directoryReader);
    TopDocs result = indexSearcher.search(new MatchAllDocsQuery(), 1);
    assertTrue(result.totalHits > 0);
    Document d = indexSearcher.doc(result.scoreDocs[0].doc);
    assertNotNull(d);
    assertNotNull(d.getField("title"));
    assertEquals(dummyTitle, d.getField("title").stringValue());
    assertNotNull(d.getField("contents"));
    assertEquals(dummyContent, d.getField("contents").stringValue());

    // add a second doc
    doc = new Document();
    String dogmasTitle = "dogmas";
    doc.add(new TextField("title", dogmasTitle, Field.Store.YES));
    String dogmasContents = "white men can't jump";
    doc.add(new TextField("contents", dogmasContents, Field.Store.YES));
    writer.addDocument(doc, analyzer);
    writer.commit();

    directoryReader.close();
    directoryReader = DirectoryReader.open(dir);
    indexSearcher = newSearcher(directoryReader);
    result = indexSearcher.search(new MatchAllDocsQuery(), 2);
    Document d1 = indexSearcher.doc(result.scoreDocs[1].doc);
    assertNotNull(d1);
    assertNotNull(d1.getField("title"));
    assertEquals(dogmasTitle, d1.getField("title").stringValue());
    assertNotNull(d1.getField("contents"));
    assertEquals(dogmasContents, d1.getField("contents").stringValue());

    // do a matchalldocs query to retrieve both docs
    indexSearcher = newSearcher(directoryReader);
    result = indexSearcher.search(new MatchAllDocsQuery(), 2);
    assertEquals(2, result.totalHits);
    writer.close();
    indexSearcher.getIndexReader().close();
    dir.close();
  }
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