J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 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 | } |