1 /* 2 * Copyright (c) 2004, 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 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 }