Package org.apache.lucene.index

Examples of org.apache.lucene.index.DocsAndPositionsEnum.nextDoc()

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      if (dpEnum == null) {
        // null snippet
        return;
      }

      dpEnum.nextDoc();
     
      // For weight look here: http://lucene.apache.org/core/3_6_0/api/core/org/apache/lucene/search/DefaultSimilarity.html
      final float weight = ( float ) ( Math.log( numDocs / ( double ) ( reader.docFreq( new Term(fieldName, text) ) + 1 ) ) + 1.0 );

      final int freq = dpEnum.freq();
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    assertNotNull(termsEnum.next());
    assertEquals("one", termsEnum.term().utf8ToString());
    assertEquals(5, termsEnum.totalTermFreq());
    DocsAndPositionsEnum dpEnum = termsEnum.docsAndPositions(null, null);
    assertNotNull(dpEnum);
    assertTrue(dpEnum.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(5, dpEnum.freq());
    for(int i=0;i<5;i++) {
      assertEquals(i, dpEnum.nextPosition());
    }
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      assertEquals(i, dpEnum.nextPosition());
    }

    dpEnum = termsEnum.docsAndPositions(null, dpEnum);
    assertNotNull(dpEnum);
    assertTrue(dpEnum.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(5, dpEnum.freq());
    for(int i=0;i<5;i++) {
      dpEnum.nextPosition();
      assertEquals(4*i, dpEnum.startOffset());
      assertEquals(4*i+3, dpEnum.endOffset());
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    DocsAndPositionsEnum pos = MultiFields.getTermPositionsEnum(searcher.getIndexReader(),
                                                                MultiFields.getLiveDocs(searcher.getIndexReader()),
                                                                "field",
                                                                new BytesRef("1"));
    pos.nextDoc();
    // first token should be at position 0
    assertEquals(0, pos.nextPosition());
   
    pos = MultiFields.getTermPositionsEnum(searcher.getIndexReader(),
                                           MultiFields.getLiveDocs(searcher.getIndexReader()),
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    pos = MultiFields.getTermPositionsEnum(searcher.getIndexReader(),
                                           MultiFields.getLiveDocs(searcher.getIndexReader()),
                                           "field",
                                           new BytesRef("2"));
    pos.nextDoc();
    // second token should be at position 2
    assertEquals(2, pos.nextPosition());
   
    PhraseQuery q;
    ScoreDoc[] hits;
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    AtomicReader r = SlowCompositeReaderWrapper.wrap(readerFromWriter);

    DocsAndPositionsEnum tp = r.termPositionsEnum(new Term("content", "a"));
   
    int count = 0;
    assertTrue(tp.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    // "a" occurs 4 times
    assertEquals(4, tp.freq());
    assertEquals(0, tp.nextPosition());
    assertEquals(1, tp.nextPosition());
    assertEquals(3, tp.nextPosition());
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    assertEquals(1, tp.nextPosition());
    assertEquals(3, tp.nextPosition());
    assertEquals(6, tp.nextPosition());

    // only one doc has "a"
    assertEquals(DocIdSetIterator.NO_MORE_DOCS, tp.nextDoc());

    IndexSearcher is = newSearcher(readerFromWriter);
 
    SpanTermQuery stq1 = new SpanTermQuery(new Term("content", "a"));
    SpanTermQuery stq2 = new SpanTermQuery(new Term("content", "k"));
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            assertNotNull(memTermsIter.next());
            assertEquals(iwTermsIter.term(), memTermsIter.term());
            DocsAndPositionsEnum iwDocsAndPos = iwTermsIter.docsAndPositions(null, null);
            DocsAndPositionsEnum memDocsAndPos = memTermsIter.docsAndPositions(null, null);
            while(iwDocsAndPos.nextDoc() != DocsAndPositionsEnum.NO_MORE_DOCS) {
              assertEquals(iwDocsAndPos.docID(), memDocsAndPos.nextDoc());
              assertEquals(iwDocsAndPos.freq(), memDocsAndPos.freq());
              for (int i = 0; i < iwDocsAndPos.freq(); i++) {
                assertEquals("term: " + iwTermsIter.term().utf8ToString(), iwDocsAndPos.nextPosition(), memDocsAndPos.nextPosition());
                if (offsets) {
                  assertEquals(iwDocsAndPos.startOffset(), memDocsAndPos.startOffset());
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          while(iwTermsIter.next() != null) {
            assertEquals(iwTermsIter.term(), memTermsIter.term());
            DocsEnum iwDocsAndPos = iwTermsIter.docs(null, null);
            DocsEnum memDocsAndPos = memTermsIter.docs(null, null);
            while(iwDocsAndPos.nextDoc() != DocsAndPositionsEnum.NO_MORE_DOCS) {
              assertEquals(iwDocsAndPos.docID(), memDocsAndPos.nextDoc());
              assertEquals(iwDocsAndPos.freq(), memDocsAndPos.freq());
            }
          }
        }
      }
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      AtomicReader reader = (AtomicReader) memory.createSearcher().getIndexReader();
      assertEquals(1, reader.terms("foo").getSumTotalTermFreq());
      DocsAndPositionsEnum disi = reader.termPositionsEnum(new Term("foo", "bar"));
      int docid = disi.docID();
      assertEquals(-1, docid);
      assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
      assertEquals(0, disi.nextPosition());
      assertEquals(0, disi.startOffset());
      assertEquals(3, disi.endOffset());
     
      // now reuse and check again
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