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Lucene example source code file (TestMultiMMap.java)
The Lucene TestMultiMMap.java source codepackage org.apache.lucene.store; /** * 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.File; import java.util.Random; 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.util.BytesRef; import org.apache.lucene.util.LuceneTestCase; import org.apache.lucene.util._TestUtil; /** * Tests MMapDirectory's MultiMMapIndexInput * <p> * Because Java's ByteBuffer uses an int to address the * values, it's necessary to access a file > * Integer.MAX_VALUE in size using multiple byte buffers. */ public class TestMultiMMap extends LuceneTestCase { File workDir; @Override public void setUp() throws Exception { super.setUp(); assumeTrue("test requires a jre that supports unmapping", MMapDirectory.UNMAP_SUPPORTED); workDir = _TestUtil.getTempDir("TestMultiMMap"); workDir.mkdirs(); } public void testSeekZero() throws Exception { for (int i = 0; i < 31; i++) { MMapDirectory mmapDir = new MMapDirectory(_TestUtil.getTempDir("testSeekZero")); mmapDir.setMaxChunkSize(1< |
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