Java tutorial
/** * 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. */ package com.fuerve.villageelder.actions.results; import static org.junit.Assert.*; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.apache.lucene.document.Document; import org.apache.lucene.document.LongField; import org.apache.lucene.document.StringField; import org.apache.lucene.document.TextField; import org.apache.lucene.document.Field.Store; import org.apache.lucene.facet.index.FacetFields; import org.apache.lucene.facet.params.FacetSearchParams; import org.apache.lucene.facet.search.CountFacetRequest; import org.apache.lucene.facet.search.FacetRequest; import org.apache.lucene.facet.search.FacetsCollector; import org.apache.lucene.facet.taxonomy.CategoryPath; import org.apache.lucene.facet.taxonomy.TaxonomyReader; import org.apache.lucene.facet.taxonomy.TaxonomyWriter; import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyReader; import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter; import org.apache.lucene.index.DirectoryReader; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.IndexWriterConfig; import org.apache.lucene.index.IndexWriterConfig.OpenMode; import org.apache.lucene.queryparser.classic.QueryParser; import org.apache.lucene.search.Collector; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.MultiCollector; import org.apache.lucene.search.Sort; import org.apache.lucene.search.TopFieldCollector; import org.apache.lucene.store.Directory; import org.apache.lucene.store.RAMDirectory; import org.junit.Test; import com.fuerve.villageelder.common.Lucene; import com.fuerve.villageelder.search.SearchQueryParser; /** * Unit tests for the {@link SearchResultItem} class. * @author lparker * */ public class SearchResultItemTest { /** * Test method for {@link com.fuerve.villageelder.actions.results.SearchResultItem#SearchResultItem(org.apache.lucene.search.TopDocs, java.util.List)}. */ @Test public final void testSearchResultItem() throws Exception { Directory indexDirectoryExpected = new RAMDirectory(); Directory taxonomyDirectoryExpected = new RAMDirectory(); buildDummyIndex(indexDirectoryExpected, taxonomyDirectoryExpected); IndexReader reader = DirectoryReader.open(indexDirectoryExpected); IndexSearcher searcher = new IndexSearcher(reader); TaxonomyReader taxo = new DirectoryTaxonomyReader(taxonomyDirectoryExpected); QueryParser parser = new SearchQueryParser(Lucene.LUCENE_VERSION, Lucene.DEFAULT_QUERY_FIELD, Lucene.getPerFieldAnalyzer()); TopFieldCollector indexCollector = getDummyCollector(); FacetsCollector facetsCollector = getDummyFacetsCollector((DirectoryReader) reader, taxo); Collector collector = MultiCollector.wrap(indexCollector, facetsCollector); searcher.search(parser.parse("Revision:5*"), collector); facetsCollector.getFacetResults(); SearchResultItem target = new SearchResultItem(indexCollector.topDocs(), facetsCollector.getFacetResults()); assertEquals(2, target.getTopDocs().totalHits); assertEquals(1, target.getFacetResults().size()); } private void buildDummyIndex(final Directory indexDirectory, final Directory taxonomyDirectory) throws IOException { IndexWriterConfig iwc = new IndexWriterConfig(Lucene.LUCENE_VERSION, Lucene.getPerFieldAnalyzer()); iwc.setOpenMode(OpenMode.CREATE); IndexWriter iw = new IndexWriter(indexDirectory, iwc); TaxonomyWriter tw = new DirectoryTaxonomyWriter(taxonomyDirectory, OpenMode.CREATE); List<CategoryPath> categories = new ArrayList<CategoryPath>(); FacetFields facetFields = new FacetFields(tw); Document doc = new Document(); categories.clear(); doc.add(new StringField("Author", "foo", Store.YES)); categories.add(new CategoryPath("Author", "foo")); doc.add(new LongField("RevisionNumber", 50L, Store.YES)); doc.add(new StringField("Revision", "50", Store.YES)); doc.add(new TextField("Message", "stuff", Store.YES)); iw.addDocument(doc); facetFields.addFields(doc, categories); doc = new Document(); facetFields = new FacetFields(tw); categories.clear(); doc.add(new StringField("Author", "bar", Store.YES)); categories.add(new CategoryPath("Author", "bar")); doc.add(new LongField("RevisionNumber", 5000L, Store.YES)); doc.add(new StringField("Revision", "5000", Store.YES)); doc.add(new TextField("Message", "stuff", Store.YES)); iw.addDocument(doc); facetFields.addFields(doc, categories); tw.commit(); tw.close(); iw.commit(); iw.close(); } private TopFieldCollector getDummyCollector() throws Exception { TopFieldCollector collector = TopFieldCollector.create(Sort.RELEVANCE, 100, true, false, false, false); return collector; } private FacetsCollector getDummyFacetsCollector(final DirectoryReader indexReader, final TaxonomyReader taxonomyReader) { final List<FacetRequest> facets = new ArrayList<FacetRequest>(); final CategoryPath facetPath = new CategoryPath("Author", '/'); final CountFacetRequest facetRequest = new CountFacetRequest(facetPath, 10); facets.add(facetRequest); final FacetSearchParams facetSearchParams = new FacetSearchParams(facets); final FacetsCollector facetsCollector = FacetsCollector.create(facetSearchParams, indexReader, taxonomyReader); return facetsCollector; } }