1 /* 2 * Copyright (c) 2004, 2008, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.tools.jconsole; 27 28 import java.lang.management.MemoryUsage; 29 30 public class MemoryPoolStat { 31 private String poolName; 32 private long usageThreshold; 33 private MemoryUsage usage; 34 private long lastGcId; 35 private long lastGcStartTime; 36 private long lastGcEndTime; 37 private long collectThreshold; 38 private MemoryUsage beforeGcUsage; 39 private MemoryUsage afterGcUsage; 40 41 MemoryPoolStat(String name, 42 long usageThreshold, 43 MemoryUsage usage, 44 long lastGcId, 45 long lastGcStartTime, 46 long lastGcEndTime, 47 long collectThreshold, 48 MemoryUsage beforeGcUsage, 49 MemoryUsage afterGcUsage) { 50 this.poolName = name; 51 this.usageThreshold = usageThreshold; 52 this.usage = usage; 53 this.lastGcId = lastGcId; 54 this.lastGcStartTime = lastGcStartTime; 55 this.lastGcEndTime = lastGcEndTime; 56 this.collectThreshold = collectThreshold; 57 this.beforeGcUsage = beforeGcUsage; 58 this.afterGcUsage = afterGcUsage; 59 } 60 61 /** 62 * Returns the memory pool name. 63 */ 64 public String getPoolName() { 65 return poolName; 66 } 67 68 /** 69 * Returns the current memory usage. 70 */ 71 public MemoryUsage getUsage() { 72 return usage; 73 } 74 75 /** 76 * Returns the current usage threshold. 77 * -1 if not supported. 78 */ 79 public long getUsageThreshold() { 80 return usageThreshold; 81 } 82 83 /** 84 * Returns the current collection usage threshold. 85 * -1 if not supported. 86 */ 87 public long getCollectionUsageThreshold() { 88 return collectThreshold; 89 } 90 91 /** 92 * Returns the Id of GC. 93 */ 94 public long getLastGcId() { 95 return lastGcId; 96 } 97 98 99 /** 100 * Returns the start time of the most recent GC on 101 * the memory pool for this statistics in milliseconds. 102 * 103 * Return 0 if no GC occurs. 104 */ 105 public long getLastGcStartTime() { 106 return lastGcStartTime; 107 } 108 109 /** 110 * Returns the end time of the most recent GC on 111 * the memory pool for this statistics in milliseconds. 112 * 113 * Return 0 if no GC occurs. 114 */ 115 public long getLastGcEndTime() { 116 return lastGcEndTime; 117 } 118 119 /** 120 * Returns the memory usage before the most recent GC started. 121 * null if no GC occurs. 122 */ 123 public MemoryUsage getBeforeGcUsage() { 124 return beforeGcUsage; 125 } 126 127 /** 128 * Returns the memory usage after the most recent GC finished. 129 * null if no GC occurs. 130 */ 131 public MemoryUsage getAfterGcUsage() { 132 return afterGcUsage; 133 } 134 }