Package org.apache.lucene.search

Examples of org.apache.lucene.search.DocIdSetIterator.nextDoc()

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    if (!reader.hasDeletions()) {
      return; // return immediately
    }
   
    DocIdSetIterator it = set.iterator();
    int doc = it.nextDoc();
    for (AtomicReaderContext context : reader.leaves()) {
      AtomicReader r = context.reader();
      final int maxDoc = r.maxDoc() + context.docBase;
      if (doc >= maxDoc) { // skip this segment
        continue;
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      final int maxDoc = r.maxDoc() + context.docBase;
      if (doc >= maxDoc) { // skip this segment
        continue;
      }
      if (!r.hasDeletions()) { // skip all docs that belong to this reader as it has no deletions
        while ((doc = it.nextDoc()) < maxDoc) {}
        continue;
      }
      Bits liveDocs = r.getLiveDocs();
      do {
        if (!liveDocs.get(doc - context.docBase)) {
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      Bits liveDocs = r.getLiveDocs();
      do {
        if (!liveDocs.get(doc - context.docBase)) {
          set.clear(doc);
        }
      } while ((doc = it.nextDoc()) < maxDoc);
    }
  }
 
  /**
   * Create a subset of an existing ScoredDocIDs object.
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        final DocIdSetIterator docIterator = docIdSet.iterator();
        return new ScoredDocIDsIterator() {
          @Override
          public boolean next() {
            try {
              return docIterator.nextDoc() != DocIdSetIterator.NO_MORE_DOCS;
            } catch (IOException e) {
              throw new RuntimeException(e);
            }
          }
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        final DocIdSetIterator iter = getDocIDs().iterator();
        return new ScoredDocIDsIterator() {
          @Override
          public boolean next() {
            try {
              return iter.nextDoc() != DocIdSetIterator.NO_MORE_DOCS;
            } catch (IOException e) {
              // cannot happen
              return false;
            }
          }
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        final DocIdSetIterator iter = getDocIDs().iterator();
        return new ScoredDocIDsIterator() {
          @Override
          public boolean next() {
            try {
              return iter.nextDoc() != DocIdSetIterator.NO_MORE_DOCS;
            } catch (IOException e) {
              // cannot happen
              return false;
            }
          }
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        });
        // Asserting bit set...
        if (VERBOSE) {
          System.out.println("expected cardinality:" + expectedResult.cardinality());
          DocIdSetIterator iterator = expectedResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Expected doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
          System.out.println("actual cardinality:" + actualResult.cardinality());
          iterator = actualResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
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        });
        // Asserting bit set...
        if (VERBOSE) {
          System.out.println("expected cardinality:" + expectedResult.cardinality());
          DocIdSetIterator iterator = expectedResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Expected doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
          System.out.println("actual cardinality:" + actualResult.cardinality());
          iterator = actualResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
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          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Expected doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
          System.out.println("actual cardinality:" + actualResult.cardinality());
          iterator = actualResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Actual doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
        }
        assertEquals(expectedResult, actualResult);
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          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Expected doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
          System.out.println("actual cardinality:" + actualResult.cardinality());
          iterator = actualResult.iterator();
          for (int doc = iterator.nextDoc(); doc != DocIdSetIterator.NO_MORE_DOCS; doc = iterator.nextDoc()) {
            System.out.println(String.format(Locale.ROOT, "Actual doc[%d] with id value %s", doc, indexSearcher.doc(doc).get("id")));
          }
        }
        assertEquals(expectedResult, actualResult);
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