X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/adaptive/AdaptiveSearcher.java

diff --git a/lucene-java-3.4.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/adaptive/AdaptiveSearcher.java b/lucene-java-3.4.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/adaptive/AdaptiveSearcher.java
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--- a/lucene-java-3.4.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/adaptive/AdaptiveSearcher.java
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@@ -1,103 +0,0 @@
-package org.apache.lucene.facet.example.adaptive;
-
-import java.util.List;
-
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.search.IndexSearcher;
-import org.apache.lucene.search.Query;
-import org.apache.lucene.search.TermQuery;
-import org.apache.lucene.search.TopScoreDocCollector;
-import org.apache.lucene.store.Directory;
-
-import org.apache.lucene.search.MultiCollector;
-import org.apache.lucene.facet.example.ExampleUtils;
-import org.apache.lucene.facet.example.simple.SimpleUtils;
-import org.apache.lucene.facet.search.AdaptiveFacetsAccumulator;
-import org.apache.lucene.facet.search.ScoredDocIdCollector;
-import org.apache.lucene.facet.search.params.CountFacetRequest;
-import org.apache.lucene.facet.search.params.FacetSearchParams;
-import org.apache.lucene.facet.search.results.FacetResult;
-import org.apache.lucene.facet.taxonomy.CategoryPath;
-import org.apache.lucene.facet.taxonomy.TaxonomyReader;
-import org.apache.lucene.facet.taxonomy.lucene.LuceneTaxonomyReader;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Search with facets through the {@link AdaptiveFacetsAccumulator} 
- * 
- * @lucene.experimental
- */
-public class AdaptiveSearcher {
-  
-  /**
-   * Search with facets through the {@link AdaptiveFacetsAccumulator} 
-   * @param indexDir Directory of the search index.
-   * @param taxoDir Directory of the taxonomy index.
-   * @throws Exception on error (no detailed exception handling here for sample simplicity
-   * @return facet results
-   */
-  public static List<FacetResult> searchWithFacets (Directory indexDir, Directory taxoDir) throws Exception {
-    // prepare index reader and taxonomy.
-    TaxonomyReader taxo = new LuceneTaxonomyReader(taxoDir);
-    IndexReader indexReader = IndexReader.open(indexDir);
-    
-    // prepare searcher to search against
-    IndexSearcher searcher = new IndexSearcher(indexReader);
-    
-    // faceted search is working in 2 steps: 
-    // 1. collect matching documents
-    // 2. aggregate facets for collected documents and
-    //    generate the requested faceted results from the aggregated facets
-    
-    // step 1: collect matching documents into a collector
-    Query q = new TermQuery(new Term(SimpleUtils.TEXT,"white"));
-    ExampleUtils.log("Query: "+q);
-    
-    // regular collector for scoring matched documents
-    TopScoreDocCollector topDocsCollector = TopScoreDocCollector.create(10, true); 
-    
-    // docids collector for guiding facets accumulation (scoring disabled)
-    ScoredDocIdCollector docIdsCollecor = ScoredDocIdCollector.create(indexReader.maxDoc(), false);
-    
-    // Faceted search parameters indicate which facets are we interested in 
-    FacetSearchParams facetSearchParams = new FacetSearchParams();
-    facetSearchParams.addFacetRequest(new CountFacetRequest(new CategoryPath("root","a"), 10));
-    
-    // search, into both collectors. note: in case only facets accumulation 
-    // is required, the topDocCollector part can be totally discarded
-    searcher.search(q, MultiCollector.wrap(topDocsCollector, docIdsCollecor));
-        
-    // Obtain facets results and print them
-    AdaptiveFacetsAccumulator accumulator = new AdaptiveFacetsAccumulator(facetSearchParams, indexReader, taxo);
-    List<FacetResult> res = accumulator.accumulate(docIdsCollecor.getScoredDocIDs());
-    
-    int i = 0;
-    for (FacetResult facetResult : res) {
-      ExampleUtils.log("Res "+(i++)+": "+facetResult);
-    }
-    
-    // we're done, close the index reader and the taxonomy.
-    indexReader.close();
-    taxo.close();
-    
-    return res;
-  }
-  
-}