Package org.apache.lucene.index

Examples of org.apache.lucene.index.AtomicReaderContext.reader()

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    IndexReader reader = SlowCompositeReaderWrapper.wrap(w.getReader());
    assertTrue(reader.getContext() instanceof AtomicReaderContext);
    AtomicReaderContext context = (AtomicReaderContext) reader.getContext();
    w.close();

    DocIdSet idSet = termFilter(fieldName, "value1").getDocIdSet(context, context.reader().getLiveDocs());
    assertNotNull("must not be null", idSet);
    DocIdSetIterator iter = idSet.iterator();
    assertEquals(iter.nextDoc(), 0);
    assertEquals(iter.nextDoc(), DocIdSetIterator.NO_MORE_DOCS);
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    assertNotNull("must not be null", idSet);
    DocIdSetIterator iter = idSet.iterator();
    assertEquals(iter.nextDoc(), 0);
    assertEquals(iter.nextDoc(), DocIdSetIterator.NO_MORE_DOCS);

    idSet = termFilter(fieldName, "value2").getDocIdSet(context, context.reader().getLiveDocs());
    assertNull("must be null", idSet);

    idSet = termFilter("field2", "value1").getDocIdSet(context, context.reader().getLiveDocs());
    assertNull("must be null", idSet);
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    assertEquals(iter.nextDoc(), DocIdSetIterator.NO_MORE_DOCS);

    idSet = termFilter(fieldName, "value2").getDocIdSet(context, context.reader().getLiveDocs());
    assertNull("must be null", idSet);

    idSet = termFilter("field2", "value1").getDocIdSet(context, context.reader().getLiveDocs());
    assertNull("must be null", idSet);

    reader.close();
    rd.close();
  }
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  protected Scorer getScorer(final Query query) throws IOException {
    final Weight weight = searcher.createNormalizedWeight(query);
    assertTrue(searcher.getTopReaderContext() instanceof AtomicReaderContext);
    final AtomicReaderContext context = (AtomicReaderContext) searcher.getTopReaderContext();
    return weight.scorer(context, true, true, context.reader().getLiveDocs());
  }

  public static abstract class LuceneQueryBuilder {

    public abstract Query getQuery();
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      TreeSet<Term> extractedTerms = new TreeSet<Term>();
      q.extractTerms(extractedTerms);
      for (Term term : extractedTerms) {
        termContexts.put(term, TermContext.build(context, term));
      }
      Bits acceptDocs = context.reader().getLiveDocs();
      final Spans spans = q.getSpans(context, acceptDocs, termContexts);

      // collect span positions
      while (spans.next()) {
        spanPositions.add(new PositionSpan(spans.start(), spans.end() - 1));
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          do { // find the segment which contains this document
            if (!contexts.hasNext()) {
              throw new RuntimeException("ScoredDocIDs contains documents outside this reader's segments !?");
            }
            current = contexts.next();
            maxDoc = current.docBase + current.reader().maxDoc();
            if (docID < maxDoc) { // segment has docs, check if it has categories
              boolean validSegment = categoryListIter.setNextReader(current);
              validSegment &= aggregator.setNextReader(current);
              if (!validSegment) { // if categoryList or aggregtor say it's an invalid segment, skip all docs
                while (docID < maxDoc && iterator.next()) {
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      }
      bi.setText(content);
      int doc = docids[i];
      int leaf = ReaderUtil.subIndex(doc, leaves);
      AtomicReaderContext subContext = leaves.get(leaf);
      AtomicReader r = subContext.reader();
      Terms t = r.terms(field);
      if (t == null) {
        continue; // nothing to do
      }
      if (leaf != lastLeaf) {
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    AtomicReaderContext context = (AtomicReaderContext) reader.getContext();
    MockFilter filter = new MockFilter();
    CachingWrapperFilter cacher = new CachingWrapperFilter(filter);

    // first time, nested filter is called
    DocIdSet strongRef = cacher.getDocIdSet(context, context.reader().getLiveDocs());
    assertTrue("first time", filter.wasCalled());

    // make sure no exception if cache is holding the wrong docIdSet
    cacher.getDocIdSet(context, context.reader().getLiveDocs());
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    // first time, nested filter is called
    DocIdSet strongRef = cacher.getDocIdSet(context, context.reader().getLiveDocs());
    assertTrue("first time", filter.wasCalled());

    // make sure no exception if cache is holding the wrong docIdSet
    cacher.getDocIdSet(context, context.reader().getLiveDocs());

    // second time, nested filter should not be called
    filter.clear();
    cacher.getDocIdSet(context, context.reader().getLiveDocs());
    assertFalse("second time", filter.wasCalled());
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    // make sure no exception if cache is holding the wrong docIdSet
    cacher.getDocIdSet(context, context.reader().getLiveDocs());

    // second time, nested filter should not be called
    filter.clear();
    cacher.getDocIdSet(context, context.reader().getLiveDocs());
    assertFalse("second time", filter.wasCalled());

    reader.close();
    dir.close();
  }
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