/*

 * Copyright (c) 2003, 2013, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

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

 */

@jdk.Exported

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();

}