1 /* 2 * Copyright (c) 2004, 2012, 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 MemoryPoolStat(String name, long usageThreshold, MemoryUsage usage, long lastGcId, long lastGcStartTime, long lastGcEndTime, long collectThreshold, MemoryUsage beforeGcUsage, MemoryUsage afterGcUsage)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 */ getPoolName()64 public String getPoolName() { 65 return poolName; 66 } 67 68 /** 69 * Returns the current memory usage. 70 */ getUsage()71 public MemoryUsage getUsage() { 72 return usage; 73 } 74 75 /** 76 * Returns the current usage threshold. 77 * -1 if not supported. 78 */ getUsageThreshold()79 public long getUsageThreshold() { 80 return usageThreshold; 81 } 82 83 /** 84 * Returns the current collection usage threshold. 85 * -1 if not supported. 86 */ getCollectionUsageThreshold()87 public long getCollectionUsageThreshold() { 88 return collectThreshold; 89 } 90 91 /** 92 * Returns the Id of GC. 93 */ getLastGcId()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 */ getLastGcStartTime()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 */ getLastGcEndTime()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 */ getBeforeGcUsage()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 */ getAfterGcUsage()131 public MemoryUsage getAfterGcUsage() { 132 return afterGcUsage; 133 } 134 } 135