/*
* Licensed 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 com.facebook.presto.sql.gen;
import com.google.common.cache.LoadingCache;
import org.weakref.jmx.Managed;
public class CacheStatsMBean
{
private LoadingCache loadingCache;
public CacheStatsMBean(LoadingCache loadingCache)
{
this.loadingCache = loadingCache;
}
@Managed
public Double getHitRate()
{
return loadingCache.stats().hitRate();
}
@Managed
public Double getMissRate()
{
return loadingCache.stats().missRate();
}
@Managed
public long getRequestCount()
{
return loadingCache.stats().requestCount();
}
}