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Lucene example source code file (DuplicateFilterTest.java)
The Lucene DuplicateFilterTest.java source codepackage org.apache.lucene.search; /** * 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. */ import java.io.IOException; import java.util.HashSet; import org.apache.lucene.analysis.MockAnalyzer; import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.RandomIndexWriter; import org.apache.lucene.index.Term; import org.apache.lucene.index.TermDocs; import org.apache.lucene.store.Directory; import org.apache.lucene.util.LuceneTestCase; public class DuplicateFilterTest extends LuceneTestCase { private static final String KEY_FIELD = "url"; private Directory directory; private IndexReader reader; TermQuery tq=new TermQuery(new Term("text","lucene")); private IndexSearcher searcher; @Override public void setUp() throws Exception { super.setUp(); directory = newDirectory(); RandomIndexWriter writer = new RandomIndexWriter(random, directory, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy())); //Add series of docs with filterable fields : url, text and dates flags addDoc(writer, "http://lucene.apache.org", "lucene 1.4.3 available", "20040101"); addDoc(writer, "http://lucene.apache.org", "New release pending", "20040102"); addDoc(writer, "http://lucene.apache.org", "Lucene 1.9 out now", "20050101"); addDoc(writer, "http://www.bar.com", "Local man bites dog", "20040101"); addDoc(writer, "http://www.bar.com", "Dog bites local man", "20040102"); addDoc(writer, "http://www.bar.com", "Dog uses Lucene", "20050101"); addDoc(writer, "http://lucene.apache.org", "Lucene 2.0 out", "20050101"); addDoc(writer, "http://lucene.apache.org", "Oops. Lucene 2.1 out", "20050102"); // Until we fix LUCENE-2348, the index must // have only 1 segment: writer.optimize(); reader = writer.getReader(); writer.close(); searcher =newSearcher(reader); } @Override public void tearDown() throws Exception { reader.close(); searcher.close(); directory.close(); super.tearDown(); } private void addDoc(RandomIndexWriter writer, String url, String text, String date) throws IOException { Document doc=new Document(); doc.add(newField(KEY_FIELD,url,Field.Store.YES,Field.Index.NOT_ANALYZED)); doc.add(newField("text",text,Field.Store.YES,Field.Index.ANALYZED)); doc.add(newField("date",date,Field.Store.YES,Field.Index.ANALYZED)); writer.addDocument(doc); } public void testDefaultFilter() throws Throwable { DuplicateFilter df=new DuplicateFilter(KEY_FIELD); HashSet<String> results=new HashSet Other Lucene examples (source code examples)Here is a short list of links related to this Lucene DuplicateFilterTest.java source code file: |
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