예제 #1
0
 /// <summary>
 /// Create a new <see cref="DrillSideways"/> instance, where some
 /// dimensions were indexed with <see cref="SortedSetDocValuesFacetField"/>
 /// and others were indexed with <see cref="FacetField"/>.
 /// </summary>
 public DrillSideways(IndexSearcher searcher, FacetsConfig config, TaxonomyReader taxoReader, SortedSetDocValuesReaderState state)
 {
     this.m_searcher   = searcher;
     this.m_config     = config;
     this.m_taxoReader = taxoReader;
     this.m_state      = state;
 }
예제 #2
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        public static void TestFlexLuceneRAM(string[] args)
        {
            StandardAnalyzer analyzer = new StandardAnalyzer();

            FlexLucene.Store.Directory index = (FlexLucene.Store.Directory) new RAMDirectory();
            config = new IndexWriterConfig((Analyzer)analyzer);
            cnf    = new FacetsConfig();
            cnf.SetIndexFieldName("title", "facet_title");
            cnf.SetIndexFieldName("isbn", "facet_isbn");
            LuceneTest.taxoDir    = (FlexLucene.Store.Directory) new RAMDirectory();
            LuceneTest.taxoWriter = (TaxonomyWriter) new FlexLucene.Facet.Taxonomy.Directory.DirectoryTaxonomyWriter(LuceneTest.taxoDir, IndexWriterConfigOpenMode.CREATE);

            IndexWriter w = new IndexWriter(index, LuceneTest.config);

            addDoc(w, "Lucene in Action", "9900001");
            addDoc(w, "Lucene for Dummies", "9900002");
            addDoc(w, "Lucene for Dummies 2", "9900003");

            w.close();
            String               querystr    = "isbn:99*";
            Query                q           = new QueryParser("title", (Analyzer)analyzer).Parse(querystr);
            int                  hitsPerPage = 10;
            IndexReader          reader      = (IndexReader)DirectoryReader.Open(index);
            IndexSearcher        searcher    = new IndexSearcher(reader);
            TopScoreDocCollector collector   = TopScoreDocCollector.Create(hitsPerPage);

            searcher.Search(q, (Collector)collector);
            ScoreDoc[] hits = collector.TopDocs().ScoreDocs;
            Console.WriteLine("Found " + hits.Length + " hits.");
            for (int i = 0; i < hits.Length; ++i)
            {
                int      docId = hits [i].Doc;
                Document d     = searcher.Doc(docId);
                Console.WriteLine(i + 1 + ". " + d.Get("isbn") + "\t" + d.Get("title"));
            }
            SortedSetDocValuesReaderState state = (SortedSetDocValuesReaderState) new DefaultSortedSetDocValuesReaderState(reader, "facet_isbn");
            FacetsCollector fc = new FacetsCollector();

            FacetsCollector.Search(searcher, q, 10, (Collector)fc);
            Facets      facets = (Facets) new SortedSetDocValuesFacetCounts(state, fc);
            FacetResult result = facets.GetTopChildren(10, "isbn", new String[0]);

            for (int j = 0; j < result.ChildCount; ++j)
            {
                LabelAndValue lv = result.LabelValues [j];
                Console.WriteLine(String.Format("Label={0}, Value={1}", lv.Label, lv.Value));
            }
            reader.close();
        }
예제 #3
0
 /// <summary>
 /// Create a new <see cref="DrillSideways"/> instance, assuming the categories were
 /// indexed with <see cref="SortedSetDocValuesFacetField"/>.
 /// </summary>
 public DrillSideways(IndexSearcher searcher, FacetsConfig config, SortedSetDocValuesReaderState state)
     : this(searcher, config, null, state)
 {
 }