1 /*

     2  * Copyright 2003-2004 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

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

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

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

    23  * have any questions.

    24  */

    25 

    26 package sun.management;

    27 

    28 import sun.management.counter.*;

    29 

    30 /**

    31  * Implementation class of HotspotClassLoadingMBean interface.

    32  *

    33  * Internal, uncommitted management interface for Hotspot class loading

    34  * system.

    35  */

    36 class HotspotClassLoading

    37     implements HotspotClassLoadingMBean {

    38 

    39     private VMManagement jvm;

    40 

    41     /**

    42      * Constructor of HotspotClassLoading class.

    43      */

    44     HotspotClassLoading(VMManagement vm) {

    45         jvm = vm;

    46     }

    47 

    48     public long getLoadedClassSize() {

    49         return jvm.getLoadedClassSize();

    50     }

    51 

    52     public long getUnloadedClassSize() {

    53         return jvm.getUnloadedClassSize();

    54     }

    55 

    56     public long getClassLoadingTime() {

    57         return jvm.getClassLoadingTime();

    58     }

    59 

    60     public long getMethodDataSize() {

    61         return jvm.getMethodDataSize();

    62     }

    63 

    64     public long getInitializedClassCount() {

    65         return jvm.getInitializedClassCount();

    66     }

    67 

    68     public long getClassInitializationTime() {

    69         return jvm.getClassInitializationTime();

    70     }

    71 

    72     public long getClassVerificationTime() {

    73         return jvm.getClassVerificationTime();

    74     }

    75 

    76     // Performance counter support

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

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

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

    80     private static final String CLS_COUNTER_NAME_PATTERN =

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

    82 

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

    84         return jvm.getInternalCounters(CLS_COUNTER_NAME_PATTERN);

    85     }

    86 }