org.elasticsearch.index.store.IndexStoreModule Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.index.store;
import com.google.common.collect.ImmutableList;
import org.apache.lucene.store.MMapDirectory;
import org.apache.lucene.util.Constants;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.Module;
import org.elasticsearch.common.inject.Modules;
import org.elasticsearch.common.inject.SpawnModules;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.store.fs.MmapFsIndexStoreModule;
import org.elasticsearch.index.store.fs.NioFsIndexStoreModule;
import org.elasticsearch.index.store.fs.SimpleFsIndexStoreModule;
import org.elasticsearch.index.store.memory.MemoryIndexStoreModule;
import org.elasticsearch.index.store.ram.RamIndexStoreModule;
/**
*
*/
public class IndexStoreModule extends AbstractModule implements SpawnModules {
private final Settings settings;
public IndexStoreModule(Settings settings) {
this.settings = settings;
}
@Override
public Iterable spawnModules() {
Class indexStoreModule = NioFsIndexStoreModule.class;
// Same logic as FSDirectory#open ...
if ((Constants.WINDOWS || Constants.SUN_OS)
&& Constants.JRE_IS_64BIT && MMapDirectory.UNMAP_SUPPORTED) {
indexStoreModule = MmapFsIndexStoreModule.class;
} else if (Constants.WINDOWS) {
indexStoreModule = SimpleFsIndexStoreModule.class;
}
String storeType = settings.get("index.store.type");
if ("ram".equalsIgnoreCase(storeType)) {
indexStoreModule = RamIndexStoreModule.class;
} else if ("memory".equalsIgnoreCase(storeType)) {
indexStoreModule = MemoryIndexStoreModule.class;
} else if ("fs".equalsIgnoreCase(storeType)) {
// nothing to set here ... (we default to fs)
} else if ("simplefs".equalsIgnoreCase(storeType) || "simple_fs".equals(storeType)) {
indexStoreModule = SimpleFsIndexStoreModule.class;
} else if ("niofs".equalsIgnoreCase(storeType) || "nio_fs".equalsIgnoreCase(storeType)) {
indexStoreModule = NioFsIndexStoreModule.class;
} else if ("mmapfs".equalsIgnoreCase(storeType) || "mmap_fs".equalsIgnoreCase(storeType)) {
indexStoreModule = MmapFsIndexStoreModule.class;
} else if (storeType != null) {
indexStoreModule = settings.getAsClass("index.store.type", indexStoreModule, "org.elasticsearch.index.store.", "IndexStoreModule");
}
return ImmutableList.of(Modules.createModule(indexStoreModule, settings));
}
@Override
protected void configure() {
}
}