trunk/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/DataStoreCacheStatsMBean.java

/*
 * 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.jackrabbit.oak.plugins.blob;

import org.apache.jackrabbit.oak.api.jmx.CacheStatsMBean;

/**
 */
public interface DataStoreCacheStatsMBean extends CacheStatsMBean {
    /**
     * Total weight of the in-memory cache
     * @return to weight of the cache
     */
    //Computing weight is costly hence its an operation
    long estimateCurrentMemoryWeight();
}