Examples of org.apache.lucene.search.join.RawTermFilter

org.apache.lucene.search.join.RawTermFilter
Expert: creates a filter accepting all documents containing the provided term, disregarding deleted documents. NOTE: this filter only works on readers whose sequential sub readers are SegmentReaders.
Normally you should not use this class; the only known required case is when using BlockJoinQuery from contrib/join. @lucene.experimental

    w.close();
    IndexSearcher s = newSearcher(r, false);


    // Create a filter that defines "parent" documents in
    // the index - in this case resumes
    final Filter parentsFilter = new CachingWrapperFilter(new RawTermFilter(new Term("docType", "resume")),
                                                          CachingWrapperFilter.DeletesMode.IGNORE);


    // Define child document criteria (finds an example of relevant work experience)
    BooleanQuery childQuery = new BooleanQuery();
    childQuery.add(new BooleanClause(new TermQuery(new Term("skill", "java")), Occur.MUST));

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    IndexReader r = w.getReader();
    w.close();
    IndexSearcher s = newSearcher(r, false);


    // Create a filter that defines "parent" documents in the index - in this case resumes
    final Filter parentsFilter = new CachingWrapperFilter(new RawTermFilter(new Term("docType", "resume")),
                                                          CachingWrapperFilter.DeletesMode.IGNORE);


    // Define child document criteria (finds an example of relevant work experience)
    BooleanQuery childQuery = new BooleanQuery();
    childQuery.add(new BooleanClause(new TermQuery(new Term("skill", "java")), Occur.MUST));

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    final IndexSearcher s = newSearcher(r, false);
    s.setDefaultFieldSortScoring(true, true);


    final IndexSearcher joinS = newSearcher(joinR, false);


    final Filter parentsFilter = new CachingWrapperFilter(new RawTermFilter(new Term("isParent", "x")),
                                                          CachingWrapperFilter.DeletesMode.IGNORE);


    final int iters = 200*RANDOM_MULTIPLIER;


    for(int iter=0;iter<iters;iter++) {

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    IndexReader r = w.getReader();
    w.close();
    IndexSearcher s = newSearcher(r, false);


    // Create a filter that defines "parent" documents in the index - in this case resumes
    final Filter parentsFilter = new CachingWrapperFilter(new RawTermFilter(new Term("docType", "resume")),
                                                          CachingWrapperFilter.DeletesMode.IGNORE);


    // Define child document criteria (finds an example of relevant work experience)
    BooleanQuery childJobQuery = new BooleanQuery();
    childJobQuery.add(new BooleanClause(new TermQuery(new Term("skill", "java")), Occur.MUST));

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    w.addDocuments(Arrays.asList(childDoc, parentDoc));
    IndexReader r = w.getReader();
    w.close();
    IndexSearcher s = newSearcher(r, false);
    Query tq = new TermQuery(new Term("child", "1"));
    final Filter parentsFilter = new CachingWrapperFilter(new RawTermFilter(new Term("parent", "1")),
                                                          CachingWrapperFilter.DeletesMode.IGNORE);


    ToParentBlockJoinQuery q = new ToParentBlockJoinQuery(tq, parentsFilter, ToParentBlockJoinQuery.ScoreMode.Avg);
    Weight weight = s.createNormalizedWeight(q);

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    w.forceMerge(1);
    IndexReader r = w.getReader();
    w.close();
    IndexSearcher s = newSearcher(r, false);
    Query tq = new TermQuery(new Term("child", "2"));
    final Filter parentsFilter = new CachingWrapperFilter(new RawTermFilter(new Term("isparent", "yes")),
                                                          CachingWrapperFilter.DeletesMode.IGNORE);


    ToParentBlockJoinQuery q = new ToParentBlockJoinQuery(tq, parentsFilter, ToParentBlockJoinQuery.ScoreMode.Avg);
    Weight weight = s.createNormalizedWeight(q);
    final IndexReader[] subs = s.getIndexReader().getSequentialSubReaders();

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Related Classes of org.apache.lucene.search.join.RawTermFilter

org.apache.lucene.index.SegmentReader

org.apache.lucene.index.TermDocs

org.apache.lucene.search.DocIdSet

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.search.TestBlockJoin

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