Package org.apache.lucene.search

Examples of org.apache.lucene.search.MultiSearcher

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        for (int j = 0; j < indexSearcherManagers.length; j++) {
          searchers[j] = indexSearcherManagers[j].getIndexSearcher();
          readerArray[j] = indexSearcherManagers[j].getIndexReader();
        }
        try {
          mIndexSearcher = new MultiSearcher(searchers);
          mMultiReader = new MultiReader(readerArray);
          // get the 'first' analyzer (in fact it is a random choice)
          // All indexes has to be build with the same analyzer
          mAnalyzer = indexSearcherManagers[0].getAnalyzer();
          mIndexName = "multiindex";
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  for (int i = 0; i < idirs.size(); i++)
  { Directory directory = FSDirectory.getDirectory( idirs.get(i), create);
    searchers[i] = new IndexSearcher(directory);
  }
 
  return (new MultiSearcher(searchers));
}
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    IndexReader reader2 = IndexReader.open(ramDir2, true);

    IndexSearcher searchers[] = new IndexSearcher[2];
    searchers[0] = new IndexSearcher(ramDir1, true);
    searchers[1] = new IndexSearcher(ramDir2, true);
    MultiSearcher multiSearcher = new MultiSearcher(searchers);
    QueryParser parser = new QueryParser(TEST_VERSION_CURRENT, FIELD_NAME, new StandardAnalyzer(TEST_VERSION_CURRENT));
    parser.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    query = parser.parse("multi*");
    if (VERBOSE) System.out.println("Searching for: " + query.toString(FIELD_NAME));
    // at this point the multisearcher calls combine(query[])
    hits = multiSearcher.search(query, null, 1000);

    // query = QueryParser.parse("multi*", FIELD_NAME, new StandardAnalyzer(TEST_VERSION));
    Query expandedQueries[] = new Query[2];
    expandedQueries[0] = query.rewrite(reader1);
    expandedQueries[1] = query.rewrite(reader2);
    query = query.combine(expandedQueries);

    // create an instance of the highlighter with the tags used to surround
    // highlighted text
    Highlighter highlighter = new Highlighter(this, new QueryTermScorer(query));

    for (int i = 0; i < hits.totalHits; i++) {
      String text = multiSearcher.doc(hits.scoreDocs[i].doc).get(FIELD_NAME);
      TokenStream tokenStream = analyzer.tokenStream(FIELD_NAME, new StringReader(text));
      String highlightedText = highlighter.getBestFragment(tokenStream, text);
      if (VERBOSE) System.out.println(highlightedText);
    }
    assertTrue("Failed to find correct number of highlights " + numHighlights + " found",
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    IndexReader reader2 = IndexReader.open(ramDir2, true);

    IndexSearcher searchers[] = new IndexSearcher[2];
    searchers[0] = new IndexSearcher(ramDir1, true);
    searchers[1] = new IndexSearcher(ramDir2, true);
    MultiSearcher multiSearcher = new MultiSearcher(searchers);
    QueryParser parser = new QueryParser(TEST_VERSION, FIELD_NAME, new StandardAnalyzer(TEST_VERSION));
    parser.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    query = parser.parse("multi*");
    System.out.println("Searching for: " + query.toString(FIELD_NAME));
    // at this point the multisearcher calls combine(query[])
    hits = multiSearcher.search(query, null, 1000);

    // query = QueryParser.parse("multi*", FIELD_NAME, new StandardAnalyzer(TEST_VERSION));
    Query expandedQueries[] = new Query[2];
    expandedQueries[0] = query.rewrite(reader1);
    expandedQueries[1] = query.rewrite(reader2);
    query = query.combine(expandedQueries);

    // create an instance of the highlighter with the tags used to surround
    // highlighted text
    Highlighter highlighter = new Highlighter(this, new QueryTermScorer(query));

    for (int i = 0; i < hits.totalHits; i++) {
      String text = multiSearcher.doc(hits.scoreDocs[i].doc).get(FIELD_NAME);
      TokenStream tokenStream = analyzer.tokenStream(FIELD_NAME, new StringReader(text));
      String highlightedText = highlighter.getBestFragment(tokenStream, text);
      System.out.println(highlightedText);
    }
    assertTrue("Failed to find correct number of highlights " + numHighlights + " found",
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        List<Searchable> searchableList = toSearchables( indexes );

        Searchable searchables[] = new Searchable[searchableList.size()];
        searchableList.toArray( searchables );

        MultiSearcher searcher = null;

        try
        {
            // Create a multi-searcher for looking up the information.
            searcher = new MultiSearcher( searchables );

            // Perform the search.
            Hits hits = null;
            if ( filter != null )
            {
                hits = searcher.search( specificQuery, filter );
            }
            else
            {
                hits = searcher.search( specificQuery );
            }

            int hitCount = hits.length();    
           
            // Now process the limits.
            results.setLimits( limits );
            results.setTotalHits( hitCount );

            int fetchCount = limits.getPageSize();
            int offset = ( limits.getSelectedPage() * limits.getPageSize() );

            if ( limits.getSelectedPage() == SearchResultLimits.ALL_PAGES )
            {
                fetchCount = hitCount;
                offset = 0;
            }

            // Goto offset.
            if ( offset < hitCount )
            {
                // only process if the offset is within the hit count.
                for ( int i = 0; i < fetchCount; i++ )
                {
                    // Stop fetching if we are past the total # of available hits.
                    if ( offset + i >= hitCount )
                    {
                        break;
                    }

                    try
                    {
                        Document doc = hits.doc( offset + i );
                        LuceneRepositoryContentRecord record = converter.convert( doc );
                        results.addHit( record );
                    }
                    catch ( java.text.ParseException e )
                    {
                        log.warn( "Unable to parse document into record: " + e.getMessage(), e );
                    }
                }
            }

        }
        catch ( IOException e )
        {
            log.error( "Unable to setup multi-search: " + e.getMessage(), e );
        }
        finally
        {
            try
            {
                if ( searcher != null )
                {
                    searcher.close();
                }
            }
            catch ( IOException ie )
            {
                log.error( "Unable to close index searcher: " + ie.getMessage(), ie );
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   * @return a Searcher instance
   * @see org.springmodules.lucene.search.SearcherFactory#getSearcher()
   */
  public Searcher getSearcher() throws IOException {
    Searcher[] searchers = createSearchers();
    return new MultiSearcher(searchers);
  }
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   * @return a Searcher instance
   * @see org.springmodules.lucene.search.SearcherFactory#getSearcher()
   */
  public LuceneSearcher getSearcher() throws IOException {
    Searcher[] searchers = createSearchers();
    MultiSearcher multiSearcher = new MultiSearcher(searchers);
    return new SimpleLuceneSearcher(multiSearcher);
  }
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    IndexReader reader2 = IndexReader.open(ramDir2);

    IndexSearcher searchers[] = new IndexSearcher[2];
    searchers[0] = new IndexSearcher(ramDir1);
    searchers[1] = new IndexSearcher(ramDir2);
    MultiSearcher multiSearcher = new MultiSearcher(searchers);
    QueryParser parser = new QueryParser(FIELD_NAME, new StandardAnalyzer());
    parser.setMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
    query = parser.parse("multi*");
    System.out.println("Searching for: " + query.toString(FIELD_NAME));
    // at this point the multisearcher calls combine(query[])
    hits = multiSearcher.search(query);

    // query = QueryParser.parse("multi*", FIELD_NAME, new StandardAnalyzer());
    Query expandedQueries[] = new Query[2];
    expandedQueries[0] = query.rewrite(reader1);
    expandedQueries[1] = query.rewrite(reader2);
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    // 1. Search the same store which works
    IndexSearcher[] arrSearcher = new IndexSearcher[2];
    arrSearcher[0] = new IndexSearcher(indexStoreA, true);
    arrSearcher[1] = new IndexSearcher(indexStoreB, true);
    MultiSearcher searcher = new MultiSearcher(arrSearcher);
    int numHits = searcher.search(query, null, 1000).totalHits;
    arrSearcher[0].close();
    arrSearcher[1].close();

    // Will fail here
    // We expect 2 but only one matched
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    // 1. Search the same store which works
    IndexSearcher[] arrSearcher = new IndexSearcher[2];
    arrSearcher[0] = new IndexSearcher(indexStoreA, true);
    arrSearcher[1] = new IndexSearcher(indexStoreB, true);
    MultiSearcher searcher = new MultiSearcher(arrSearcher);
    int numHits = searcher.search(query, null, 1000).totalHits;
    arrSearcher[0].close();
    arrSearcher[1].close();

    // Will fail here
    // We expect 2 but only one matched
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Related Classes of org.apache.lucene.search.MultiSearcher

  • com.gentics.cr.lucene.indexaccessor.DefaultMultiIndexAccessor
  • net.sf.regain.search.results.SearchResultsImpl
  • org.apache.cocoon.components.search.components.impl.DefaultSearcherImpl
  • org.apache.hadoop.hbase.mapred.TestTableIndex
  • org.apache.hadoop.hbase.mapreduce.TestTableIndex
  • org.apache.lucene.search.highlight.HighlighterTest
  • org.apache.lucene.search.IndexSearcher.MdrillCollector
  • org.apache.lucene.search.regex.TestSpanRegexQuery
  • org.apache.maven.archiva.consumers.lucene.IndexJavaPublicMethodsCrossRepositorySearch
  • org.apache.maven.archiva.indexer.search.DefaultCrossRepositorySearch
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