/*

 * Copyright 2003-2004 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.management;

import sun.management.counter.*;

/**

 * Implementation class of HotspotClassLoadingMBean interface.

 *

 * Internal, uncommitted management interface for Hotspot class loading

 * system.

 */

class HotspotClassLoading

    implements HotspotClassLoadingMBean {

    private VMManagement jvm;

    /**

     * Constructor of HotspotClassLoading class.

     */

    HotspotClassLoading(VMManagement vm) {

        jvm = vm;

    }

    public long getLoadedClassSize() {

        return jvm.getLoadedClassSize();

    }

    public long getUnloadedClassSize() {

        return jvm.getUnloadedClassSize();

    }

    public long getClassLoadingTime() {

        return jvm.getClassLoadingTime();

    }

    public long getMethodDataSize() {

        return jvm.getMethodDataSize();

    }

    public long getInitializedClassCount() {

        return jvm.getInitializedClassCount();

    }

    public long getClassInitializationTime() {

        return jvm.getClassInitializationTime();

    }

    public long getClassVerificationTime() {

        return jvm.getClassVerificationTime();

    }

    // Performance counter support

    private static final String JAVA_CLS    = "java.cls.";

    private static final String COM_SUN_CLS = "com.sun.cls.";

    private static final String SUN_CLS     = "sun.cls.";

    private static final String CLS_COUNTER_NAME_PATTERN =

        JAVA_CLS + "|" + COM_SUN_CLS + "|" + SUN_CLS;

    public java.util.List<Counter> getInternalClassLoadingCounters() {

        return jvm.getInternalCounters(CLS_COUNTER_NAME_PATTERN);

    }

}