1 /*

     2  * Copyright 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 package sun.tools.jconsole;

    26 

    27 import java.lang.management.MemoryUsage;

    28 

    29 public class MemoryPoolStat {

    30     private String      poolName;

    31     private long        usageThreshold;

    32     private MemoryUsage usage;

    33     private long        lastGcId;

    34     private long        lastGcStartTime;

    35     private long        lastGcEndTime;

    36     private long        collectThreshold;

    37     private MemoryUsage beforeGcUsage;

    38     private MemoryUsage afterGcUsage;

    39 

    40     MemoryPoolStat(String name,

    41                    long usageThreshold,

    42                    MemoryUsage usage,

    43                    long lastGcId,

    44                    long lastGcStartTime,

    45                    long lastGcEndTime,

    46                    long collectThreshold,

    47                    MemoryUsage beforeGcUsage,

    48                    MemoryUsage afterGcUsage) {

    49         this.poolName = name;

    50         this.usageThreshold = usageThreshold;

    51         this.usage = usage;

    52         this.lastGcId = lastGcId;

    53         this.lastGcStartTime = lastGcStartTime;

    54         this.lastGcEndTime = lastGcEndTime;

    55         this.collectThreshold = collectThreshold;

    56         this.beforeGcUsage = beforeGcUsage;

    57         this.afterGcUsage = afterGcUsage;

    58     }

    59 

    60     /**

    61      * Returns the memory pool name.

    62      */

    63     public String getPoolName() {

    64         return poolName;

    65     }

    66 

    67     /**

    68      * Returns the current memory usage.

    69      */

    70     public MemoryUsage getUsage() {

    71         return usage;

    72     }

    73 

    74     /**

    75      * Returns the current usage threshold.

    76      * -1 if not supported.

    77      */

    78     public long getUsageThreshold() {

    79         return usageThreshold;

    80     }

    81 

    82     /**

    83      * Returns the current collection usage threshold.

    84      * -1 if not supported.

    85      */

    86     public long getCollectionUsageThreshold() {

    87         return collectThreshold;

    88     }

    89 

    90     /**

    91      * Returns the Id of GC.

    92      */

    93     public long getLastGcId() {

    94         return lastGcId;

    95     }

    96 

    97 

    98     /**

    99      * Returns the start time of the most recent GC on

   100      * the memory pool for this statistics in milliseconds.

   101      *

   102      * Return 0 if no GC occurs.

   103      */

   104     public long getLastGcStartTime() {

   105         return lastGcStartTime;

   106     }

   107 

   108     /**

   109      * Returns the end time of the most recent GC on

   110      * the memory pool for this statistics in milliseconds.

   111      *

   112      * Return 0 if no GC occurs.

   113      */

   114     public long getLastGcEndTime() {

   115         return lastGcEndTime;

   116     }

   117 

   118     /**

   119      * Returns the memory usage before the most recent GC started.

   120      * null if no GC occurs.

   121      */

   122     public MemoryUsage getBeforeGcUsage() {

   123         return beforeGcUsage;

   124     }

   125 

   126     /**

   127      * Returns the memory usage after the most recent GC finished.

   128      * null if no GC occurs.

   129      */

   130     public MemoryUsage getAfterGcUsage() {

   131         return beforeGcUsage;

   132     }

   133 }