/*
* Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
package com.sun.management;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeType;
/**
* Platform-specific management interface for a garbage collector
* which performs collections in cycles.
*
* <p> This platform extension is only available to the garbage
* collection implementation that supports this extension.
*
* @author Mandy Chung
* @since 1.5
*/
public interface GarbageCollectorMXBean
extends java.lang.management.GarbageCollectorMXBean {
/**
* Returns the GC information about the most recent GC.
* This method returns a {@link GcInfo}.
* If no GC information is available, <tt>null</tt> is returned.
* The collector-specific attributes, if any, can be obtained
* via the {@link CompositeData CompositeData} interface.
* <p>
* <b>MBeanServer access:</b>
* The mapped type of <tt>GcInfo</tt> is <tt>CompositeData</tt>
* with attributes specified in {@link GcInfo#from GcInfo}.
*
* @return a <tt>GcInfo</tt> object representing
* the most GC information; or <tt>null</tt> if no GC
* information available.
*/
public GcInfo getLastGcInfo();
}