| /* |
| * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package nsk.monitoring.share.proxy; |
| |
| import javax.management.MBeanServer; |
| import java.lang.management.*; |
| import javax.management.*; |
| import nsk.monitoring.share.*; |
| import java.util.*; |
| import java.lang.reflect.Method; |
| |
| public class ProxyMonitoringFactory implements MonitoringFactory { |
| private MBeanServer mbeanServer; |
| private ClassLoadingMXBean classLoadingMXBean; |
| private CompilationMXBean compilationMXBean; |
| private List<GarbageCollectorMXBean> garbageCollectorMXBeans; |
| private RuntimeMXBean runtimeMXBean; |
| private MemoryMXBean memoryMXBean; |
| private List<MemoryPoolMXBean> memoryPoolMXBeans; |
| private ThreadMXBean threadMXBean; |
| private com.sun.management.ThreadMXBean threadMXBeanNew; |
| |
| public ProxyMonitoringFactory(MBeanServer mbeanServer) { |
| this.mbeanServer = mbeanServer; |
| } |
| |
| protected <T> T getProxy(String name, Class<T> cl) { |
| try { |
| return (T) ManagementFactory.newPlatformMXBeanProxy( |
| mbeanServer, |
| name, |
| cl |
| ); |
| } catch (Exception e) { |
| throw Monitoring.convertException(e); |
| } |
| } |
| |
| protected <T> T getProxy(ObjectName name, Class<T> cl) { |
| return getProxy(name.toString(), cl); |
| } |
| |
| protected <T> List<T> getProxies(String prefix, Class<T> cl) { |
| Collection<ObjectName> coll = Monitoring.queryNamesByStart(mbeanServer, prefix + ","); |
| List<T> list = new ArrayList<T>(coll.size()); |
| for (ObjectName name : coll) { |
| list.add(getProxy(name, cl)); |
| } |
| return list; |
| } |
| |
| public synchronized ClassLoadingMXBean getClassLoadingMXBean() { |
| if (classLoadingMXBean == null) |
| classLoadingMXBean = getProxy( |
| ManagementFactory.CLASS_LOADING_MXBEAN_NAME, |
| ClassLoadingMXBean.class |
| ); |
| return classLoadingMXBean; |
| } |
| |
| public boolean hasCompilationMXBean() { |
| try { |
| return mbeanServer.isRegistered(new ObjectName(ManagementFactory.COMPILATION_MXBEAN_NAME)); |
| } catch (MalformedObjectNameException e) { |
| throw Monitoring.convertException(e); |
| } |
| } |
| |
| public synchronized CompilationMXBean getCompilationMXBean() { |
| if (compilationMXBean == null) |
| compilationMXBean = getProxy( |
| ManagementFactory.COMPILATION_MXBEAN_NAME, |
| CompilationMXBean.class |
| ); |
| return compilationMXBean; |
| } |
| |
| public synchronized List<GarbageCollectorMXBean> getGarbageCollectorMXBeans() { |
| if (garbageCollectorMXBeans == null) { |
| Collection<ObjectName> coll = Monitoring.queryNamesByStart(mbeanServer, ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ","); |
| garbageCollectorMXBeans = new ArrayList<GarbageCollectorMXBean>(coll.size()); |
| for (ObjectName name : coll) { |
| garbageCollectorMXBeans.add(getProxy( |
| name, |
| GarbageCollectorMXBean.class |
| )); |
| } |
| } |
| return garbageCollectorMXBeans; |
| } |
| |
| public synchronized RuntimeMXBean getRuntimeMXBean() { |
| if (runtimeMXBean == null) { |
| runtimeMXBean = getProxy( |
| ManagementFactory.RUNTIME_MXBEAN_NAME, |
| RuntimeMXBean.class |
| ); |
| } |
| return runtimeMXBean; |
| } |
| |
| public synchronized MemoryMXBean getMemoryMXBean() { |
| if (memoryMXBean == null) { |
| memoryMXBean = getProxy( |
| ManagementFactory.MEMORY_MXBEAN_NAME, |
| MemoryMXBean.class |
| ); |
| } |
| return memoryMXBean; |
| } |
| |
| public synchronized NotificationEmitter getMemoryMXBeanNotificationEmitter() { |
| return new ServerNotificationEmitter(mbeanServer, ManagementFactory.MEMORY_MXBEAN_NAME); |
| } |
| |
| public synchronized List<MemoryPoolMXBean> getMemoryPoolMXBeans() { |
| if (memoryPoolMXBeans == null) |
| memoryPoolMXBeans = getProxies(ManagementFactory.MEMORY_POOL_MXBEAN_DOMAIN_TYPE, MemoryPoolMXBean.class); |
| return memoryPoolMXBeans; |
| } |
| |
| public synchronized ThreadMXBean getThreadMXBean() { |
| if (threadMXBean == null) |
| threadMXBean = getProxy( |
| ManagementFactory.THREAD_MXBEAN_NAME, |
| ThreadMXBean.class |
| ); |
| return threadMXBean; |
| } |
| |
| public boolean hasThreadMXBeanNew() { |
| boolean supported = false; |
| Class cl = ManagementFactory.getThreadMXBean().getClass(); |
| Method[] methods = cl.getDeclaredMethods(); |
| for (int i = 0; i < methods.length; i++ ) { |
| if (methods[i].getName().equals("isThreadAllocatedMemorySupported")) { |
| supported = true; |
| break; |
| } |
| } |
| return supported; |
| } |
| |
| public ThreadMXBean getThreadMXBeanNew() { |
| if (threadMXBeanNew == null) { |
| threadMXBeanNew = getProxy( |
| ManagementFactory.THREAD_MXBEAN_NAME, |
| com.sun.management.ThreadMXBean.class |
| ); |
| } |
| return (ThreadMXBean) threadMXBeanNew; |
| } |
| } |