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

Class org.apache.lucene.index.DocsAndPositionsEnum

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

org.apache.lucene.index.DocsAndPositionsEnum.startOffset()
Returns start offset for the current position, or -1 if offsets were not indexed.

      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));
        assertThat("Start offset test failed" + failDesc, memDocsPosEnum.startOffset(), equalTo(docsPosEnum.startOffset()));
        assertThat("End offset test failed" + failDesc, memDocsPosEnum.endOffset(), equalTo(docsPosEnum.endOffset()));
        assertThat("Missing payload test failed" + failDesc, docsPosEnum.getPayload(), equalTo(null));
      }
    }
    assertNull("Still some tokens not processed", memTermEnum.next());

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    Passage current = new Passage();
    
    OffsetsEnum off;
    while ((off = pq.poll()) != null) {
      final DocsAndPositionsEnum dp = off.dp;
      int start = dp.startOffset();
      if (start == -1) {
        throw new IllegalArgumentException("field '" + field + "' was indexed without offsets, cannot highlight");
      }
      int end = dp.endOffset();
      if (start >= current.endOffset) {

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        if (off.pos == dp.freq()) {
          break; // removed from pq
        } else {
          off.pos++;
          dp.nextPosition();
          start = dp.startOffset();
          end = dp.endOffset();
        }
        if (start >= current.endOffset) {
          pq.offer(off);
          break;

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              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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      DocsAndPositionsEnum disi = reader.termPositionsEnum(new Term("foo", "bar"));
      int docid = disi.docID();
      assertTrue(docid == -1 || docid == DocIdSetIterator.NO_MORE_DOCS);
      assertTrue(disi.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
      assertEquals(0, disi.nextPosition());
      assertEquals(0, disi.startOffset());
      assertEquals(3, disi.endOffset());
      
      // now reuse and check again
      TermsEnum te = reader.terms("foo").iterator(null);
      assertTrue(te.seekExact(new BytesRef("bar"), true));

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              scratch.add(freq);
              if (hasPos) {
                for(int pos=0;pos<freq;pos++) {
                  scratch.add(docsAndPositionsEnum.nextPosition());
                  if (hasOffsets) {
                    scratch.add(docsAndPositionsEnum.startOffset());
                    scratch.add(docsAndPositionsEnum.endOffset());
                  }
                  if (hasPayloads) {
                    final BytesRef payload = docsAndPositionsEnum.getPayload();
                    if (payload != null) {

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                      payloads[upto][pos] = payloadBytes;
                    }
                  }
                  posUpto++;
                  if (hasOffsets) {
                    positions[upto][posUpto++] = docsAndPositionsEnum.startOffset();
                    positions[upto][posUpto++] = docsAndPositionsEnum.endOffset();
                  }
                }
              }
            }

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    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());
    assertEquals(null, te.next());
    reader.close();

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              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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      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
      TermsEnum te = reader.terms("foo").iterator(null);
      assertTrue(te.seekExact(new BytesRef("bar")));

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