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Lucene example source code file (TestNot.java)
The Lucene TestNot.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 org.apache.lucene.util.LuceneTestCase; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.RandomIndexWriter; import org.apache.lucene.queryParser.QueryParser; import org.apache.lucene.store.Directory; import org.apache.lucene.analysis.MockAnalyzer; import org.apache.lucene.analysis.SimpleAnalyzer; import org.apache.lucene.document.Document; import org.apache.lucene.document.Field; /** Similarity unit test. * * * @version $Revision: 1091277 $ */ public class TestNot extends LuceneTestCase { public void testNot() throws Exception { Directory store = newDirectory(); RandomIndexWriter writer = new RandomIndexWriter(random, store); Document d1 = new Document(); d1.add(newField("field", "a b", Field.Store.YES, Field.Index.ANALYZED)); writer.addDocument(d1); IndexReader reader = writer.getReader(); IndexSearcher searcher = newSearcher(reader); QueryParser parser = new QueryParser(TEST_VERSION_CURRENT, "field", new MockAnalyzer(random)); Query query = parser.parse("a NOT b"); //System.out.println(query); ScoreDoc[] hits = searcher.search(query, null, 1000).scoreDocs; assertEquals(0, hits.length); writer.close(); searcher.close(); reader.close(); store.close(); } } Other Lucene examples (source code examples)Here is a short list of links related to this Lucene TestNot.java source code file: |
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