Package org.apache.solr.util

Examples of org.apache.solr.util.OpenBitSet

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  * Converts a filter into a DocSet.
  * This method is not cache-aware and no caches are checked.
  */
  public DocSet convertFilter(Filter lfilter) throws IOException {
    BitSet bs = lfilter.bits(this.reader);
    OpenBitSet obs = new OpenBitSet(bs.size());
    for(int i=bs.nextSetBit(0); i>=0; i=bs.nextSetBit(i+1)) {
      obs.fastSet(i);
    }
    return new BitDocSet(obs);
  }
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      // use the query as a filter itself...
      DocListAndSet both3 = searcher.getDocListAndSet(query,query,sort,start, limit);
      test( both3.docList.equals(both.docList) );
      test( both3.docSet.equals(both.docSet) );

      OpenBitSet bits = both.docSet.getBits();
      OpenBitSet neg = ((OpenBitSet)bits.clone());
      neg.flip(0, bits.capacity());

      // use the negative as a filter (should result in 0 matches)
      // todo - fix if filter is not null
      both2 = searcher.getDocListAndSet(query,new BitDocSet(neg),sort, start, limit);
      test( both2.docList.size() == 0 );
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  * Converts a filter into a DocSet.
  * This method is not cache-aware and no caches are checked.
  */
  public DocSet convertFilter(Filter lfilter) throws IOException {
    BitSet bs = lfilter.bits(this.reader);
    OpenBitSet obs = new OpenBitSet(bs.size());
    for(int i=bs.nextSetBit(0); i>=0; i=bs.nextSetBit(i+1)) {
      obs.fastSet(i);
    }
    return new BitDocSet(obs);
  }
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   * Inefficient base implementation.
   *
   * @see BitDocSet#getBits
   */
  public OpenBitSet getBits() {
    OpenBitSet bits = new OpenBitSet();
    for (DocIterator iter = iterator(); iter.hasNext();) {
      bits.set(iter.nextDoc());
    }
    return bits;
  };
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    if (other instanceof HashDocSet) {
      return other.intersection(this);
    }

    // Default... handle with bitsets.
    OpenBitSet newbits = (OpenBitSet)(this.getBits().clone());
    newbits.and(other.getBits());
    return new BitDocSet(newbits);
  }
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    newbits.and(other.getBits());
    return new BitDocSet(newbits);
  }

  public DocSet union(DocSet other) {
    OpenBitSet newbits = (OpenBitSet)(this.getBits().clone());
    newbits.or(other.getBits());
    return new BitDocSet(newbits);
  }
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  public int unionSize(DocSet other) {
    return this.size() + other.size() - this.intersectionSize(other);
  }

  public DocSet andNot(DocSet other) {
    OpenBitSet newbits = (OpenBitSet)(this.getBits().clone());
    newbits.andNot(other.getBits());
    return new BitDocSet(newbits);
  }
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*/
public class TestDocSet extends TestCase {
  Random rand = new Random();

  public OpenBitSet getRandomSet(int sz, int bitsToSet) {
    OpenBitSet bs = new OpenBitSet(sz);
    if (sz==0) return bs;
    for (int i=0; i<bitsToSet; i++) {
      bs.fastSet(rand.nextInt(sz));
    }
    return bs;
  }
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  }

  protected void doSingle(int maxSize) {
    int sz = rand.nextInt(maxSize+1);
    int sz2 = rand.nextInt(maxSize);
    OpenBitSet a1 = getRandomSet(sz, rand.nextInt(sz+1));
    OpenBitSet a2 = getRandomSet(sz, rand.nextInt(sz2+1));

    DocSet b1 = getDocSet(a1);
    DocSet b2 = getDocSet(a2);

    // System.out.println("b1="+b1+", b2="+b2);

    assertEquals((int)a1.cardinality(), b1.size());
    assertEquals((int)a2.cardinality(), b2.size());

    checkEqual(a1,b1);
    checkEqual(a2,b2);

    OpenBitSet a_and = (OpenBitSet)a1.clone(); a_and.and(a2);
    OpenBitSet a_or = (OpenBitSet)a1.clone(); a_or.or(a2);
    // OpenBitSet a_xor = (OpenBitSet)a1.clone(); a_xor.xor(a2);
    OpenBitSet a_andn = (OpenBitSet)a1.clone(); a_andn.andNot(a2);

    checkEqual(a_and, b1.intersection(b2));
    checkEqual(a_or, b1.union(b2));
    checkEqual(a_andn, b1.andNot(b2));

    assertEquals(a_and.cardinality(), b1.intersectionSize(b2));
    assertEquals(a_or.cardinality(), b1.unionSize(b2));
    assertEquals(a_andn.cardinality(), b1.andNotSize(b2));
  }
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public class BitDocSet extends DocSetBase {
  final OpenBitSet bits;
  int size;    // number of docs in the set (cached for perf)

  public BitDocSet() {
    bits = new OpenBitSet();
  }
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Related Classes of org.apache.solr.util.OpenBitSet

  • org.apache.solr.handler.component.DistribFieldFacet
  • org.apache.solr.handler.component.FacetComponent
  • org.apache.solr.search.BitDocSet
  • org.apache.solr.search.DocSetBase
  • org.apache.solr.search.DocSetHitCollector
  • org.apache.solr.search.DocSetPerf
  • org.apache.solr.search.SolrIndexSearcher
  • org.apache.solr.search.TestDocSet
  • org.apache.solr.tst.TestRequestHandler
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