X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/association/AssociationSearcher.java?ds=sidebyside diff --git a/lucene-java-3.5.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/association/AssociationSearcher.java b/lucene-java-3.5.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/association/AssociationSearcher.java new file mode 100644 index 0000000..f429c43 --- /dev/null +++ b/lucene-java-3.5.0/lucene/contrib/facet/src/examples/org/apache/lucene/facet/example/association/AssociationSearcher.java @@ -0,0 +1,81 @@ +package org.apache.lucene.facet.example.association; + +import java.util.List; + +import org.apache.lucene.index.IndexReader; +import org.apache.lucene.store.Directory; + +import org.apache.lucene.facet.example.simple.SimpleSearcher; +import org.apache.lucene.facet.search.params.association.AssociationFloatSumFacetRequest; +import org.apache.lucene.facet.search.params.association.AssociationIntSumFacetRequest; +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.directory.DirectoryTaxonomyReader; + +/** + * 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. + */ + +/** + * AssociationSearcher searches index with facets, evaluating the facets with + * their associated $int value + * + * @lucene.experimental + */ +public class AssociationSearcher { + + /** Search an index with a sum of int-association. */ + public static List searchSumIntAssociation(Directory indexDir, + Directory taxoDir) throws Exception { + // prepare index reader + IndexReader indexReader = IndexReader.open(indexDir); + TaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir); + + AssociationIntSumFacetRequest facetRequest = new AssociationIntSumFacetRequest( + new CategoryPath("tags"), 10); + + List res = SimpleSearcher.searchWithRequest(indexReader, taxo, + AssociationUtils.assocIndexingParams, facetRequest); + + // close readers + taxo.close(); + indexReader.close(); + + return res; + } + + /** Search an index with a sum of float-association. */ + public static List searchSumFloatAssociation(Directory indexDir, + Directory taxoDir) throws Exception { + // prepare index reader + IndexReader indexReader = IndexReader.open(indexDir); + TaxonomyReader taxo = new DirectoryTaxonomyReader(taxoDir); + + AssociationFloatSumFacetRequest facetRequest = new AssociationFloatSumFacetRequest( + new CategoryPath("genre"), 10); + + List res = SimpleSearcher.searchWithRequest(indexReader, taxo, + AssociationUtils.assocIndexingParams, facetRequest); + + // close readers + taxo.close(); + indexReader.close(); + + return res; + } + +}