Examples of org.apache.lucene.search.FilteredQuery$RandomAccessFilterStrategy

org.apache.lucene.search.FilteredQuery
A {@link FilterStrategy} that conditionally uses a random access filter ifthe given {@link DocIdSet} supports random access (returns a non-null valuefrom {@link DocIdSet#bits()}) and {@link RandomAccessFilterStrategy#useRandomAccess(Bits,int)} returnstrue. Otherwise this strategy falls back to a "zig-zag join" ( {@link FilteredQuery#LEAP_FROG_FILTER_FIRST_STRATEGY}) strategy .

   * @return Lucene Query to be used in a search
   * @see Query
   * @see org.hibernate.search.spatial.Coordinates
   */
  public static Query buildSpatialQueryByHash(Coordinates center, double radius, String fieldName) {
    return new FilteredQuery( new MatchAllDocsQuery(),
        buildDistanceFilter(
            buildSpatialHashFilter( center, radius, fieldName ),
            center,
            radius,
            fieldName

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    BooleanQuery boxQuery = new BooleanQuery();
    boxQuery.add( latQuery, BooleanClause.Occur.MUST );
    boxQuery.add( longQuery, BooleanClause.Occur.MUST );


    return new FilteredQuery(
        new MatchAllDocsQuery(),
        buildDistanceFilter(
            new QueryWrapperFilter( boxQuery ),
            center,
            radius,

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    if ( wrappedQuery == null ) {
      throw new AssertionFailure( "wrapped query not set" );
    }
    finalQuery.setBoost( boost * finalQuery.getBoost() );
    if ( filter != null ) {
      finalQuery = new FilteredQuery(finalQuery, filter);
    }
    if ( constantScore ) {
      finalQuery = new ConstantScoreQuery( new QueryWrapperFilter( finalQuery ) );
    }
    return finalQuery;

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    if (wrappedQuery == null) {
      throw new AssertionFailure( "wrapped query not set" );
    }
    finalQuery.setBoost( boost * finalQuery.getBoost() );
    if (filter != null) {
      finalQuery = new FilteredQuery(finalQuery, filter);
    }
    if ( constantScore ) {
      finalQuery = new ConstantScoreQuery( new QueryWrapperFilter( finalQuery ) );
    }
    return finalQuery;

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        valueSource = makeDistanceValueSource(shape.getCenter());


        ValueSourceFilter vsf = new ValueSourceFilter(
            new QueryWrapperFilter( spatial ), valueSource, 0, circle.getRadius() );


        spatial = new FilteredQuery( new MatchAllDocsQuery(), vsf );
      }
    }
    else if( op == SpatialOperation.IsDisjointTo ) {
      spatial =  makeDisjoint(bbox);
    }

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    if (clauses.length == other.drillDownDims.size()) {
      throw new IllegalArgumentException("cannot apply filter unless baseQuery isn't null; pass ConstantScoreQuery instead");
    }
    assert clauses.length == 1+other.drillDownDims.size(): clauses.length + " vs " + (1+other.drillDownDims.size());
    drillDownDims.putAll(other.drillDownDims);
    query.add(new FilteredQuery(clauses[0].getQuery(), filter), Occur.MUST);
    for(int i=1;i<clauses.length;i++) {
      query.add(clauses[i].getQuery(), Occur.MUST);
    }
    fip = other.fip;
  }

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    IndexSearcher searcher = new IndexSearcher(DirectoryReader.open(w.w, false));
    w.close();
    Filter parentFilter = new QueryWrapperFilter(new TermQuery(new Term("__type", "parent")));
    Filter childFilter = new QueryWrapperFilter(new PrefixQuery(new Term("field2")));
    ToParentBlockJoinQuery query = new ToParentBlockJoinQuery(
        new FilteredQuery(new MatchAllDocsQuery(), childFilter),
        new CachingWrapperFilter(parentFilter),
        ScoreMode.None
    );


    // Sort by field ascending, order first
    ToParentBlockJoinSortField sortField = new ToParentBlockJoinSortField(
        "field2", SortField.Type.STRING, false, wrap(parentFilter), wrap(childFilter)
    );
    Sort sort = new Sort(sortField);
    TopFieldDocs topDocs = searcher.search(query, 5, sort);
    assertEquals(7, topDocs.totalHits);
    assertEquals(5, topDocs.scoreDocs.length);
    assertEquals(3, topDocs.scoreDocs[0].doc);
    assertEquals("a", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString());
    assertEquals(7, topDocs.scoreDocs[1].doc);
    assertEquals("c", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[1]).fields[0]).utf8ToString());
    assertEquals(11, topDocs.scoreDocs[2].doc);
    assertEquals("e", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[2]).fields[0]).utf8ToString());
    assertEquals(15, topDocs.scoreDocs[3].doc);
    assertEquals("g", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[3]).fields[0]).utf8ToString());
    assertEquals(19, topDocs.scoreDocs[4].doc);
    assertEquals("i", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[4]).fields[0]).utf8ToString());


    // Sort by field ascending, order last
    sortField = new ToParentBlockJoinSortField(
        "field2", SortField.Type.STRING, false, true, wrap(parentFilter), wrap(childFilter)
    );
    sort = new Sort(sortField);
    topDocs = searcher.search(query, 5, sort);
    assertEquals(7, topDocs.totalHits);
    assertEquals(5, topDocs.scoreDocs.length);
    assertEquals(3, topDocs.scoreDocs[0].doc);
    assertEquals("c", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString());
    assertEquals(7, topDocs.scoreDocs[1].doc);
    assertEquals("e", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[1]).fields[0]).utf8ToString());
    assertEquals(11, topDocs.scoreDocs[2].doc);
    assertEquals("g", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[2]).fields[0]).utf8ToString());
    assertEquals(15, topDocs.scoreDocs[3].doc);
    assertEquals("i", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[3]).fields[0]).utf8ToString());
    assertEquals(19, topDocs.scoreDocs[4].doc);
    assertEquals("k", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[4]).fields[0]).utf8ToString());


    // Sort by field descending, order last
    sortField = new ToParentBlockJoinSortField(
        "field2", SortField.Type.STRING, true, wrap(parentFilter), wrap(childFilter)
    );
    sort = new Sort(sortField);
    topDocs = searcher.search(query, 5, sort);
    assertEquals(topDocs.totalHits, 7);
    assertEquals(5, topDocs.scoreDocs.length);
    assertEquals(28, topDocs.scoreDocs[0].doc);
    assertEquals("o", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString());
    assertEquals(23, topDocs.scoreDocs[1].doc);
    assertEquals("m", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[1]).fields[0]).utf8ToString());
    assertEquals(19, topDocs.scoreDocs[2].doc);
    assertEquals("k", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[2]).fields[0]).utf8ToString());
    assertEquals(15, topDocs.scoreDocs[3].doc);
    assertEquals("i", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[3]).fields[0]).utf8ToString());
    assertEquals(11, topDocs.scoreDocs[4].doc);
    assertEquals("g", ((BytesRef) ((FieldDoc) topDocs.scoreDocs[4]).fields[0]).utf8ToString());


    // Sort by field descending, order last, sort filter (filter_1:T)
    childFilter = new QueryWrapperFilter(new TermQuery((new Term("filter_1", "T"))));
    query = new ToParentBlockJoinQuery(
        new FilteredQuery(new MatchAllDocsQuery(), childFilter),
        new CachingWrapperFilter(parentFilter),
        ScoreMode.None
    );
    sortField = new ToParentBlockJoinSortField(
        "field2", SortField.Type.STRING, true, wrap(parentFilter), wrap(childFilter)

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    if ( wrappedQuery == null ) {
      throw new AssertionFailure( "wrapped query not set" );
    }
    finalQuery.setBoost( boost * finalQuery.getBoost() );
    if ( filter != null ) {
      finalQuery = new FilteredQuery(finalQuery, filter);
    }
    if ( constantScore ) {
      finalQuery = new ConstantScoreQuery( new QueryWrapperFilter( finalQuery ) );
    }
    return finalQuery;

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       Element queryElement=DOMUtils.getChildByTagOrFail(e,"Query");
       queryElement=DOMUtils.getFirstChildOrFail(queryElement);
       Query q=queryFactory.getQuery(queryElement);
       
       FilteredQuery fq = new FilteredQuery(q,f);
       fq.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));
       return fq;    
  }

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    if (clauses.length == other.drillDownDims.size()) {
      throw new IllegalArgumentException("cannot apply filter unless baseQuery isn't null; pass ConstantScoreQuery instead");
    }
    assert clauses.length == 1+other.drillDownDims.size(): clauses.length + " vs " + (1+other.drillDownDims.size());
    drillDownDims.putAll(other.drillDownDims);
    query.add(new FilteredQuery(clauses[0].getQuery(), filter), Occur.MUST);
    for(int i=1;i<clauses.length;i++) {
      query.add(clauses[i].getQuery(), Occur.MUST);
    }
    this.config = config;
  }

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