Java tutorial
/* * Licensed to Elastic Search and Shay Banon under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. Elastic Search 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 org.elasticsearch.deps.lucene; import org.apache.lucene.document.Document; import org.apache.lucene.document.NumericField; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.search.FieldCache; import org.apache.lucene.store.Directory; import org.apache.lucene.store.RAMDirectory; import org.elasticsearch.common.lucene.Lucene; import org.testng.annotations.Test; import static org.hamcrest.MatcherAssert.*; import static org.hamcrest.Matchers.*; /** * @author kimchy (shay.banon) */ @Test public class LuceneFieldCacheTests { /** * A test that verifies that when using FieldCache for a field that has been added twice (under the same name) * to the document, returns the last one. */ @Test public void testTwoFieldSameNameNumericFieldCache() throws Exception { Directory dir = new RAMDirectory(); IndexWriter indexWriter = new IndexWriter(dir, Lucene.STANDARD_ANALYZER, true, IndexWriter.MaxFieldLength.UNLIMITED); Document doc = new Document(); NumericField field = new NumericField("int1").setIntValue(1); doc.add(field); field = new NumericField("int1").setIntValue(2); doc.add(field); indexWriter.addDocument(doc); IndexReader reader = indexWriter.getReader(); int[] ints = FieldCache.DEFAULT.getInts(reader, "int1"); assertThat(ints.length, equalTo(1)); assertThat(ints[0], equalTo(2)); } }