Package org.apache.lucene.index

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

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    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());
    assertEquals(6, tp.nextPosition());
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            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());
                  assertEquals(iwDocsAndPos.endOffset(), memDocsAndPos.endOffset());
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            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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      docsPosEnum.nextDoc();
      memDocsPosEnum.nextDoc();

      int freq = docsPosEnum.freq();
      assertThat(freq, equalTo(memDocsPosEnum.freq()));
      for (int i = 0; i < freq; i++) {
        String failDesc = " (field:" + field_name + " term:" + currentTerm + ")";
        int memPos = memDocsPosEnum.nextPosition();
        int pos = docsPosEnum.nextPosition();
        assertThat("Position test failed" + failDesc, memPos, equalTo(pos));
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    DocsAndPositionsEnum tps = MultiFields.getTermPositionsEnum(reader,
                                                                MultiFields.getLiveDocs(reader),
                                                                "content",
                                                                new BytesRef("another"));
    assertTrue(tps.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(1, tps.freq());
    assertEquals(3, tps.nextPosition());

    // Make sure the doc that has the massive term is in
    // the index:
    assertEquals("document with wicked long term should is not in the index!", 2, reader.numDocs());
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    DocsAndPositionsEnum termPositions = MultiFields.getTermPositionsEnum(reader,
                                                                          MultiFields.getLiveDocs(reader),
                                                                          "preanalyzed",
                                                                          new BytesRef("term1"));
    assertTrue(termPositions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(1, termPositions.freq());
    assertEquals(0, termPositions.nextPosition());

    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
                                                     "preanalyzed",
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    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
                                                     "preanalyzed",
                                                     new BytesRef("term2"));
    assertTrue(termPositions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(2, termPositions.freq());
    assertEquals(1, termPositions.nextPosition());
    assertEquals(3, termPositions.nextPosition());
   
    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
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    termPositions = MultiFields.getTermPositionsEnum(reader,
                                                     MultiFields.getLiveDocs(reader),
                                                     "preanalyzed",
                                                     new BytesRef("term3"));
    assertTrue(termPositions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(1, termPositions.freq());
    assertEquals(2, termPositions.nextPosition());
    reader.close();
    writer.close();
    // 3) reset stream and consume tokens again
    stream.reset();
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    final Terms terms = fields.terms("f");
    final TermsEnum te = terms.iterator(null);
    assertEquals(new BytesRef("a"), te.next());
    final DocsAndPositionsEnum dpe = te.docsAndPositions(null, null);
    assertEquals(0, dpe.nextDoc());
    assertEquals(2, dpe.freq());
    assertEquals(0, dpe.nextPosition());
    assertEquals(0, dpe.startOffset());
    final int endOffset = dpe.endOffset();
    assertEquals(1 + positionGap, dpe.nextPosition());
    assertEquals(1 + endOffset + offsetGap, dpe.endOffset());
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    TermsEnum termsEnum = vector.iterator(null);
    termsEnum.next();
    assertEquals(2, termsEnum.totalTermFreq());
    DocsAndPositionsEnum positions = termsEnum.docsAndPositions(null, null);
    assertTrue(positions.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertEquals(2, positions.freq());
    positions.nextPosition();
    assertEquals(0, positions.startOffset());
    assertEquals(4, positions.endOffset());
    positions.nextPosition();
    assertEquals(8, positions.startOffset());
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