org.apache.hadoop.hbase.CacheEvictionStatsAggregator Maven / Gradle / Ivy
/*
* 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.hadoop.hbase;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Used to merge CacheEvictionStats. Thread safe for concurrent accessing.
*/
@InterfaceAudience.Private
public class CacheEvictionStatsAggregator {
private final CacheEvictionStatsBuilder builder;
public CacheEvictionStatsAggregator() {
this.builder = new CacheEvictionStatsBuilder();
}
public synchronized void append(CacheEvictionStats stats) {
this.builder.append(stats);
}
public synchronized CacheEvictionStats sum() {
return this.builder.build();
}
}