Package java.lang.management

Examples of java.lang.management.GarbageCollectorMXBean

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    public void testNewPlatformMXBeanProxy_GarbageCollectorMXBean()
            throws Exception {
        List<GarbageCollectorMXBean> allBeans = ManagementFactory
                .getGarbageCollectorMXBeans();
        for (GarbageCollectorMXBean mb : allBeans) {
            GarbageCollectorMXBean proxy = ManagementFactory
                    .newPlatformMXBeanProxy(ManagementFactory
                            .getPlatformMBeanServer(),
                            "java.lang:type=GarbageCollector,name="
                                    + mb.getName(),
                            GarbageCollectorMXBean.class);
            assertEquals(mb.getName(), proxy.getName());
            assertEquals(mb.isValid(), proxy.isValid());
            assertEquals(mb.getCollectionCount(), proxy.getCollectionCount());
            String[] poolNames1 = mb.getMemoryPoolNames();
            String[] poolNames2 = proxy.getMemoryPoolNames();
            assertEquals(poolNames1.length, poolNames2.length);
            for (int i = 0; i < poolNames1.length; i++) {
                assertEquals(poolNames1[i], poolNames2[i]);
            }
        }
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         Set<ObjectName> mbeans = con.queryNames(gcName, null);
         if (mbeans != null) {
            gcMbeans = new ArrayList<GarbageCollectorMXBean>();
            for (ObjectName on : mbeans) {
               String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");
               GarbageCollectorMXBean mbean = newPlatformMXBeanProxy(con, name, GarbageCollectorMXBean.class);
               gcMbeans.add(mbean);
            }
         }
      }
      return gcMbeans;
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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    RuntimeMXBean rtmx = JMX.newMXBeanProxy(conn, RUNTIME_MXBEAN, RuntimeMXBean.class);
   
    boolean jrockit = rtmx.getVmName().toUpperCase().contains("JROCKIT");
    Map<PoolType, Collection<String>> map = new HashMap<GcKnowledgeBase.PoolType, Collection<String>>();
    for(ObjectName gcn: conn.queryNames(COLLECTORS_PATTERN, null)) {
      GarbageCollectorMXBean gc = JMX.newMXBeanProxy(conn, gcn, GarbageCollectorMXBean.class);

      String gcName = jrockit ? "JRockit" : gc.getName();
      for(String pool: gc.getMemoryPoolNames()) {
        PoolType type = classify(gcName, pool);
        if (type != null) {
          add(map, type, pool);
        }
      }
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        try
        {
            ObjectName gcName = new ObjectName(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
            for (ObjectName name : server.queryNames(gcName, null))
            {
                GarbageCollectorMXBean gc = ManagementFactory.newPlatformMXBeanProxy(server, name.getCanonicalName(), GarbageCollectorMXBean.class);
                beans.add(gc);
            }
        }
        catch (Exception e)
        {
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    protected void executeReadAttribute(OperationContext context, ModelNode operation) throws OperationFailedException {

        final String gcName = PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR)).getLastElement().getValue();
        final String name = operation.require(ModelDescriptionConstants.NAME).asString();

        GarbageCollectorMXBean gcMBean = null;

        for (GarbageCollectorMXBean mbean : ManagementFactory.getGarbageCollectorMXBeans()) {
            if (gcName.equals(escapeMBeanName(mbean.getName()))) {
                gcMBean = mbean;
            }
        }

        if (gcMBean == null) {
            throw PlatformMBeanMessages.MESSAGES.unknownGarbageCollector(gcName);
        }

        if (PlatformMBeanUtil.JVM_MAJOR_VERSION > 6 && PlatformMBeanConstants.OBJECT_NAME.equals(name)) {
            final String objName = PlatformMBeanUtil.getObjectNameStringWithNameKey(ManagementFactory.GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE, gcName);
            context.getResult().set(objName);
        } else if (ModelDescriptionConstants.NAME.equals(name)) {
            context.getResult().set(escapeMBeanName(gcMBean.getName()));
        } else if (PlatformMBeanConstants.VALID.equals(name)) {
            context.getResult().set(gcMBean.isValid());
        } else if (PlatformMBeanConstants.MEMORY_POOL_NAMES.equals(name)) {
            final ModelNode result = context.getResult();
            result.setEmptyList();
            for (String pool : gcMBean.getMemoryPoolNames()) {
                result.add(escapeMBeanName(pool));
            }
        } else if (PlatformMBeanConstants.COLLECTION_COUNT.equals(name)) {
            context.getResult().set(gcMBean.getCollectionCount());
        } else if (PlatformMBeanConstants.COLLECTION_TIME.equals(name)) {
            context.getResult().set(gcMBean.getCollectionTime());
        } else if (PlatformMBeanConstants.GARBAGE_COLLECTOR_READ_ATTRIBUTES.contains(name)
                || PlatformMBeanConstants.GARBAGE_COLLECTOR_METRICS.contains(name)) {
            // Bug
            throw PlatformMBeanMessages.MESSAGES.badReadAttributeImpl4(name);
        } else {
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