/*
* 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.ram;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.index.settings.IndexSettings;
import org.elasticsearch.index.store.DirectoryService;
import org.elasticsearch.index.store.support.AbstractIndexStore;
import org.elasticsearch.indices.store.IndicesStore;
import org.elasticsearch.monitor.jvm.JvmInfo;
import org.elasticsearch.monitor.jvm.JvmStats;
/**
*
*/
public class RamIndexStore extends AbstractIndexStore {
@Inject
public RamIndexStore(Index index, @IndexSettings Settings indexSettings, IndexService indexService, IndicesStore indicesStore) {
super(index, indexSettings, indexService, indicesStore);
}
@Override
public boolean persistent() {
return false;
}
@Override
public Class<? extends DirectoryService> shardDirectory() {
return RamDirectoryService.class;
}
@Override
public ByteSizeValue backingStoreTotalSpace() {
return JvmInfo.jvmInfo().getMem().heapMax();
}
@Override
public ByteSizeValue backingStoreFreeSpace() {
return JvmStats.jvmStats().getMem().heapUsed();
}
}