org.apache.jackrabbit.oak.plugins.index.counter.jmx.NodeCounterMBean 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.jackrabbit.oak.plugins.index.counter.jmx;
import org.apache.jackrabbit.oak.api.jmx.Description;
import org.apache.jackrabbit.oak.api.jmx.Name;
/**
* An MBean that provides an approximate node count for a given path.
*/
public interface NodeCounterMBean {
String TYPE = "NodeCounter";
/**
* Get the estimated number of nodes below a given path.
*
* @param path the path
* @return the estimated number of nodes, or -1 if unknown (if not index is
* available)
*/
@Description("Get the estimated number of nodes below a given path.")
long getEstimatedNodeCount(
@Description("the path")
@Name("path")
String path);
/**
* Get the estimated number of nodes for the child nodes of a given path.
*
* @param path the path
* @param level the depth of the child nodes to list
* @return a comma separated list of child nodes with the respective
* estimated counts
*/
@Description("Get the estimated number of nodes below a given path.")
String getEstimatedChildNodeCounts(
@Description("the path")
@Name("path")
String path,
@Description("the depth of the child nodes to list (the higher the number, the slower)")
@Name("level")
int level);
}