/**
* 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.zookeeper.server;
/**
* Zookeeper data tree MBean.
*/
public interface DataTreeMXBean {
/**
* @return number of znodes in the data tree.
*/
public int getNodeCount();
/**
* @return the most recent zxid processed by the data tree.
*/
public String getLastZxid();
/**
* @return number of watches set.
*/
public int getWatchCount();
/**
* @return data tree size in bytes. The size includes the znode path and
* its value.
*/
public long approximateDataSize();
/**
* @return number of ephemeral nodes in the data tree
*/
public int countEphemerals();
}