| /* |
| * 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. |
| */ |
| package org.apache.solr.core; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.FSDirectory; |
| import org.apache.lucene.store.LockFactory; |
| import org.apache.lucene.store.NRTCachingDirectory; |
| import org.apache.solr.common.params.SolrParams; |
| import org.apache.solr.common.util.NamedList; |
| |
| /** |
| * Factory to instantiate {@link org.apache.lucene.store.NRTCachingDirectory} |
| */ |
| public class NRTCachingDirectoryFactory extends StandardDirectoryFactory { |
| public static final int DEFAULT_MAX_MERGE_SIZE_MB = 4; |
| private double maxMergeSizeMB = DEFAULT_MAX_MERGE_SIZE_MB; |
| public static final int DEFAULT_MAX_CACHED_MB = 48; |
| private double maxCachedMB = DEFAULT_MAX_CACHED_MB; |
| |
| @Override |
| @SuppressWarnings({"rawtypes"}) |
| public void init(NamedList args) { |
| super.init(args); |
| SolrParams params = args.toSolrParams(); |
| maxMergeSizeMB = params.getDouble("maxMergeSizeMB", DEFAULT_MAX_MERGE_SIZE_MB); |
| if (maxMergeSizeMB <= 0){ |
| throw new IllegalArgumentException("maxMergeSizeMB must be greater than 0"); |
| } |
| maxCachedMB = params.getDouble("maxCachedMB", DEFAULT_MAX_CACHED_MB); |
| if (maxCachedMB <= 0){ |
| throw new IllegalArgumentException("maxCachedMB must be greater than 0"); |
| } |
| } |
| |
| @Override |
| protected Directory create(String path, LockFactory lockFactory, DirContext dirContext) throws IOException { |
| // we pass NoLockFactory, because the real lock factory is set later by injectLockFactory: |
| return new NRTCachingDirectory(FSDirectory.open(new File(path).toPath(), lockFactory), maxMergeSizeMB, maxCachedMB); |
| } |
| |
| @Override |
| public boolean isAbsolute(String path) { |
| return new File(path).isAbsolute(); |
| } |
| |
| } |