Java tutorial
package org.apache.maven.index; /* * 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 org.apache.lucene.search.IndexSearcher; import org.apache.lucene.store.Directory; import org.apache.lucene.store.FSDirectory; import org.apache.maven.index.context.IndexingContext; public class FSDirectoryDeleteTest extends AbstractIndexCreatorHelper { protected NexusIndexer nexusIndexer; protected File repo = new File(getBasedir(), "src/test/nexus-13"); protected IndexingContext context; protected File indexDirFile = super.getDirectory("fsdirectorytest/one"); protected Directory indexDir; protected IndexingContext otherContext; protected File otherIndexDirFile = super.getDirectory("fsdirectorytest/other"); protected Directory otherIndexDir; @Override protected void setUp() throws Exception { super.setUp(); nexusIndexer = lookup(NexusIndexer.class); indexDir = FSDirectory.open(indexDirFile.toPath()); context = nexusIndexer.addIndexingContext("one", "nexus-13", repo, indexDir, null, null, DEFAULT_CREATORS); nexusIndexer.scan(context); otherIndexDir = FSDirectory.open(otherIndexDirFile.toPath()); otherContext = nexusIndexer.addIndexingContext("other", "nexus-13", repo, otherIndexDir, null, null, DEFAULT_CREATORS); nexusIndexer.scan(otherContext); } @Override protected void tearDown() throws Exception { super.tearDown(); nexusIndexer.removeIndexingContext(context, true); nexusIndexer.removeIndexingContext(otherContext, true); super.deleteDirectory(indexDirFile); super.deleteDirectory(otherIndexDirFile); } public void testIndexAndDelete() throws Exception { final IndexSearcher indexSearcher = context.acquireIndexSearcher(); final IndexSearcher otherIndexSearcher = otherContext.acquireIndexSearcher(); indexSearcher.getIndexReader().maxDoc(); otherIndexSearcher.getIndexReader().maxDoc(); context.releaseIndexSearcher(indexSearcher); otherContext.releaseIndexSearcher(otherIndexSearcher); context.replace(otherIndexDir); context.merge(otherIndexDir); } }