Package org.apache.lucene.index

Examples of org.apache.lucene.index.AtomicReaderContext

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  public boolean next() throws IOException {
    if (leafOrd >= numLeaves) {
      return false;
    }
    if (current == null) {
      final AtomicReaderContext ctx = leaves.get(leafOrd);
      current = query.getSpans(ctx, ctx.reader().getLiveDocs(), termContexts);
    }
    while(true) {
      if (current.next()) {
        return true;
      }
      if (++leafOrd < numLeaves) {
        final AtomicReaderContext ctx = leaves.get(leafOrd);
        current = query.getSpans(ctx, ctx.reader().getLiveDocs(), termContexts);
      } else {
        current = null;
        break;
      }
    }
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    }

    int subIndex = ReaderUtil.subIndex(target, leaves);
    assert subIndex >= leafOrd;
    if (subIndex != leafOrd) {
      final AtomicReaderContext ctx = leaves.get(subIndex);
      current = query.getSpans(ctx, ctx.reader().getLiveDocs(), termContexts);
      leafOrd = subIndex;
    } else if (current == null) {
      final AtomicReaderContext ctx = leaves.get(leafOrd);
      current = query.getSpans(ctx, ctx.reader().getLiveDocs(), termContexts);
    }
    while (true) {
      if (current.skipTo(target - leaves.get(leafOrd).docBase)) {
        return true;
      }
      if (++leafOrd < numLeaves) {
        final AtomicReaderContext ctx = leaves.get(leafOrd);
        current = query.getSpans(ctx, ctx.reader().getLiveDocs(), termContexts);
      } else {
        current = null;
        break;
      }
    }
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      doc.add(newStringField(fieldName, "" + term, Field.Store.YES));
      w.addDocument(doc);
    }
    IndexReader reader = new SlowCompositeReaderWrapper(w.getReader());
    assertTrue(reader.getContext() instanceof AtomicReaderContext);
    AtomicReaderContext context = (AtomicReaderContext) reader.getContext();
    w.close();

    List<Term> terms = new ArrayList<Term>();
    terms.add(new Term(fieldName, "19"));
    FixedBitSet bits = (FixedBitSet) termsFilter(random().nextBoolean(), terms).getDocIdSet(context, context.reader().getLiveDocs());
    assertNull("Must match nothing", bits);

    terms.add(new Term(fieldName, "20"));
    bits = (FixedBitSet) termsFilter(random().nextBoolean(), terms).getDocIdSet(context, context.reader().getLiveDocs());
    assertEquals("Must match 1", 1, bits.cardinality());

    terms.add(new Term(fieldName, "10"));
    bits = (FixedBitSet) termsFilter(random().nextBoolean(), terms).getDocIdSet(context, context.reader().getLiveDocs());
    assertEquals("Must match 2", 2, bits.cardinality());

    terms.add(new Term(fieldName, "00"));
    bits = (FixedBitSet) termsFilter(random().nextBoolean(), terms).getDocIdSet(context, context.reader().getLiveDocs());
    assertEquals("Must match 2", 2, bits.cardinality());

    reader.close();
    rd.close();
  }
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    w.close();
    assertEquals(1, reader.leaves().size());
   
   
   
    AtomicReaderContext context = reader.leaves().get(0);
    TermsFilter tf = new TermsFilter(terms);

    FixedBitSet bits = (FixedBitSet) tf.getDocIdSet(context, context.reader().getLiveDocs());
    assertEquals("Must be num fields - 1 since we skip only one field", num-1, bits.cardinality()); 
    reader.close();
    dir.close();
  }
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    }
    w.forceMerge(1);
    IndexReader reader = w.getReader();
    w.close();
    assertEquals(1, reader.leaves().size());
    AtomicReaderContext context = reader.leaves().get(0);
    TermsFilter tf = new TermsFilter(new ArrayList<Term>(terms));

    FixedBitSet bits = (FixedBitSet) tf.getDocIdSet(context, context.reader().getLiveDocs());
    assertEquals(context.reader().numDocs(), bits.cardinality()); 
    reader.close();
    dir.close();
  }
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    testRange(2);
  }
 
  @Test
  public void testInverseRange() throws Exception {
    AtomicReaderContext context = SlowCompositeReaderWrapper.wrap(reader).getContext();
    NumericRangeFilter<Integer> f = NumericRangeFilter.newIntRange("field8", 8, 1000, -1000, true, true);
    assertSame("A inverse range should return the EMPTY_DOCIDSET instance", DocIdSet.EMPTY_DOCIDSET, f.getDocIdSet(context, context.reader().getLiveDocs()));
    f = NumericRangeFilter.newIntRange("field8", 8, Integer.MAX_VALUE, null, false, false);
    assertSame("A exclusive range starting with Integer.MAX_VALUE should return the EMPTY_DOCIDSET instance",
               DocIdSet.EMPTY_DOCIDSET, f.getDocIdSet(context, context.reader().getLiveDocs()));
    f = NumericRangeFilter.newIntRange("field8", 8, null, Integer.MIN_VALUE, false, false);
    assertSame("A exclusive range ending with Integer.MIN_VALUE should return the EMPTY_DOCIDSET instance",
               DocIdSet.EMPTY_DOCIDSET, f.getDocIdSet(context, context.reader().getLiveDocs()));
  }
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    Term allTerm = new Term(FIELD, "all");
    TermQuery termQuery = new TermQuery(allTerm);
   
    Weight weight = indexSearcher.createNormalizedWeight(termQuery);
    assertTrue(indexSearcher.getTopReaderContext() instanceof AtomicReaderContext);
    AtomicReaderContext context = (AtomicReaderContext)indexSearcher.getTopReaderContext();
    Scorer ts = weight.scorer(context, true, true, context.reader().getLiveDocs());
    // we have 2 documents with the term all in them, one document for all the
    // other values
    final List<TestHit> docs = new ArrayList<TestHit>();
    // must call next first
   
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    Term allTerm = new Term(FIELD, "all");
    TermQuery termQuery = new TermQuery(allTerm);
   
    Weight weight = indexSearcher.createNormalizedWeight(termQuery);
    assertTrue(indexSearcher.getTopReaderContext() instanceof AtomicReaderContext);
    AtomicReaderContext context = (AtomicReaderContext) indexSearcher.getTopReaderContext();
    Scorer ts = weight.scorer(context, true, true, context.reader().getLiveDocs());
    assertTrue("next did not return a doc",
        ts.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
    assertTrue("score is not correct", ts.score() == 1.6931472f);
    assertTrue("next did not return a doc",
        ts.nextDoc() != DocIdSetIterator.NO_MORE_DOCS);
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    Term allTerm = new Term(FIELD, "all");
    TermQuery termQuery = new TermQuery(allTerm);
   
    Weight weight = indexSearcher.createNormalizedWeight(termQuery);
    assertTrue(indexSearcher.getTopReaderContext() instanceof AtomicReaderContext);
    AtomicReaderContext context = (AtomicReaderContext) indexSearcher.getTopReaderContext();
    Scorer ts = weight.scorer(context, true, true, context.reader().getLiveDocs());
    assertTrue("Didn't skip", ts.advance(3) != DocIdSetIterator.NO_MORE_DOCS);
    // The next doc should be doc 5
    assertTrue("doc should be number 5", ts.docID() == 5);
  }
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    for (Entry<CategoryListIterator, Aggregator> entry : categoryLists.entrySet()) {
      final ScoredDocIDsIterator iterator = docids.iterator();
      final CategoryListIterator categoryListIter = entry.getKey();
      final Aggregator aggregator = entry.getValue();
      Iterator<AtomicReaderContext> contexts = indexReader.leaves().iterator();
      AtomicReaderContext current = null;
      int maxDoc = -1;
      while (iterator.next()) {
        int docID = iterator.getDocID();
        if (docID >= maxDoc) {
          boolean iteratorDone = false;
          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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