Examples of org.apache.lucene.search.Searcher.search()

org.apache.lucene.search.Searcher.search()
Search implementation with arbitrary sorting. Finds the top n hits for query, applying filter if non-null, and sorting the hits by the criteria in sort.
NOTE: this does not compute scores by default; use {@link IndexSearcher#setDefaultFieldSortScoring} toenable scoring. @throws BooleanQuery.TooManyClauses


  // search for something that does exists
  Query query = new TermQuery(new Term("keyword", "test1"));


  // ensure that queries return expected results without DateFilter first
        ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
  assertEquals(1, hits.length);


         doAssert(searcher.doc(hits[0].doc), true);
         searcher.close();
    }

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      Searcher searcher = new IndexSearcher(dir, true);


      Query query = new TermQuery(new Term("keyword", "test"));


      // ensure that queries return expected results without DateFilter first
      ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs;
      assertEquals(3, hits.length);
      int result = 0;
      for(int i=0;i<3;i++) {
        Document doc2 = searcher.doc(hits[i].doc);
        Field f = doc2.getField("id");

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              if (checkLastModified) {
                Term pathTerm =
                  new Term("path", file.getPath());
                TermQuery query =
                  new TermQuery(pathTerm);
                ScoreDoc[] hits = searcher.search(query, null, 1).scoreDocs;


                // if document is found, compare the
                // indexed last modified time with the
                // current file
                // - don't index if up to date

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    TermQuery q2 = new TermQuery(b);
    TermQuery q3 = new TermQuery(c);
    TermQuery q4 = new TermQuery(d);


        
    searcher.search(q1,
                    new CountingHitCollector() {
                      private Scorer scorer;
                      @Override
                      public final void setScorer(Scorer scorer) {
                        this.scorer = scorer;

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                      }
                    });
    //System.out.println(CountingHitCollector.getCount());
        
        
    searcher.search(q2,
                    new CountingHitCollector() {
                      private Scorer scorer;
                      @Override
                      public final void setScorer(Scorer scorer) {
                        this.scorer = scorer;

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    searcher.search(q3,
                    new CountingHitCollector() {
                      private Scorer scorer;
                      @Override
                      public final void setScorer(Scorer scorer) {
                        this.scorer = scorer;

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                      }
                    });
    //System.out.println(CountingHitCollector.getCount());
        
        
    searcher.search(q4,
                    new CountingHitCollector() {
                      private Scorer scorer;
                      @Override
                      public final void setScorer(Scorer scorer) {
                        this.scorer = scorer;

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    BooleanQuery bq = new BooleanQuery();
    bq.add(q1,Occur.MUST);
    bq.add(q4,Occur.MUST);
        
    searcher.search(bq,
                    new CountingHitCollector() {
                      @Override
                      public final void collect(int doc) throws IOException {
                        //System.out.println("BQ: Doc=" + doc + " score=" + score);
                        super.collect(doc);

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    Query query = new TermQuery(new Term("none", "none"));
  
    QueryWrapperFilter queryFilter = new QueryWrapperFilter(query);
    CachingWrapperFilter cachingFilter = new CachingWrapperFilter(queryFilter);
  
    searcher.search(query, cachingFilter, 1);
  
    CachingWrapperFilter cachingFilter2 = new CachingWrapperFilter(queryFilter);
    Filter[] chain = new Filter[2];
    chain[0] = cachingFilter;
    chain[1] = cachingFilter2;

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    chain[0] = cachingFilter;
    chain[1] = cachingFilter2;
    ChainedFilter cf = new ChainedFilter(chain);
  
    // throws java.lang.ClassCastException: org.apache.lucene.util.OpenBitSet cannot be cast to java.util.BitSet
    searcher.search(new MatchAllDocsQuery(), cf, 1);
  }


}

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