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Micro Distribution of the Payara Project for IBM JDK
/*
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*
* Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package com.sun.enterprise.admin.monitor.registry;
import org.glassfish.j2ee.statistics.Stats;
import javax.management.ObjectName;
import java.util.Collection;
/**
* Provides the ability to associate various j2ee components
* and sub components in a hierarchical tree. Holds references to
* underlying Stats objects. On instantiation, the Stats object is
* converted to a DynamicMBean instance. When monitoring level is
* changed from OFF to LOW or HIGH, the MBean is registered with an
* MBeanServer. Calls made to the MBean are delegated to this object
* which in turn delegates it to underlying Stats object.
* @author Shreedhar Ganapathy
*/
public interface StatsHolder {
/**
* Add a child node or leaf to this node.
* @param statsHolder
*/
StatsHolder addChild(String name, MonitoredObjectType type);
/**
* return an array of StatHolder objects each representing a child
* of this node.
* @return Collection
*/
Collection getAllChildren();
/**
* removes all children belonging to this node.
*/
void removeAllChildren();
/**
* Returns name of this hierarchical node
*/
String getName();
/**
* Returns type of this hierarchical node
*/
MonitoredObjectType getType();
/**
* sets this hierarchical node's associated stats object. Used when node was
* originally created without a Stats implementation or a new monitoring
* level has been set requiring a new Stats registration
*/
void setStats(Stats stats);
Stats getStats();
void setStatsClass(Class c);
Class getStatsClass();
void setStatsClassName(String cName);
String getStatsClassName();
/**
* Sets the ObjectName pertaining to the MBean for this node.
*/
void setObjectName(ObjectName name);
/**
* Gets the ObjectName pertaining to the MBean for this node.
*/
ObjectName getObjectName();
/**
* Sets the hierarchically denoted dotted name for this node.
*/
void setDottedName(String dottedName);
/**
* Gets the hierarchically denoted dotted name for this node.
*/
String getDottedName();
/**
* Registers a monitoring MBean with the MBeanServer
*/
void registerMBean();
/**
* Unregisters a monitoring MBean from the MBean Server
*/
void unregisterMBean();
void setType(MonitoredObjectType type);
StatsHolder getChild(String name);
void removeChild(String name);
}
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