1 /* 2 * Copyright (c) 2003, 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 26 package sun.management; 27 28 import sun.management.counter.*; 29 30 /** 31 * Implementation class of HotspotClassLoadingMBean interface. 32 * 33 * Internal, uncommitted management interface for Hotspot class loading 34 * system. 35 */ 36 class HotspotClassLoading 37 implements HotspotClassLoadingMBean { 38 39 private VMManagement jvm; 40 41 /** 42 * Constructor of HotspotClassLoading class. 43 */ HotspotClassLoading(VMManagement vm)44 HotspotClassLoading(VMManagement vm) { 45 jvm = vm; 46 } 47 getLoadedClassSize()48 public long getLoadedClassSize() { 49 return jvm.getLoadedClassSize(); 50 } 51 getUnloadedClassSize()52 public long getUnloadedClassSize() { 53 return jvm.getUnloadedClassSize(); 54 } 55 getClassLoadingTime()56 public long getClassLoadingTime() { 57 return jvm.getClassLoadingTime(); 58 } 59 getMethodDataSize()60 public long getMethodDataSize() { 61 return jvm.getMethodDataSize(); 62 } 63 getInitializedClassCount()64 public long getInitializedClassCount() { 65 return jvm.getInitializedClassCount(); 66 } 67 getClassInitializationTime()68 public long getClassInitializationTime() { 69 return jvm.getClassInitializationTime(); 70 } 71 getClassVerificationTime()72 public long getClassVerificationTime() { 73 return jvm.getClassVerificationTime(); 74 } 75 76 // Performance counter support 77 private static final String JAVA_CLS = "java.cls."; 78 private static final String COM_SUN_CLS = "com.sun.cls."; 79 private static final String SUN_CLS = "sun.cls."; 80 private static final String CLS_COUNTER_NAME_PATTERN = 81 JAVA_CLS + "|" + COM_SUN_CLS + "|" + SUN_CLS; 82 getInternalClassLoadingCounters()83 public java.util.List<Counter> getInternalClassLoadingCounters() { 84 return jvm.getInternalCounters(CLS_COUNTER_NAME_PATTERN); 85 } 86 } 87