Examples of GarbageCollectorMXBean

com.sun.management.GarbageCollectorMXBean
Platform-specific management interface for a garbage collector which performs collections in cycles.
This platform extension is only available to the garbage collection implementation that supports this extension. @author Mandy Chung @since 1.5
java.lang.management.GarbageCollectorMXBean
The management interface for the garbage collection of the Java virtual machine. Garbage collection is the process that the Java virtual machine uses to find and reclaim unreachable objects to free up memory space. A garbage collector is one type of {@link MemoryManagerMXBean memory manager}.
A Java virtual machine may have one or more instances of the implementation class of this interface. An instance implementing this interface is an MXBean that can be obtained by calling the {@link ManagementFactory#getGarbageCollectorMXBeans} method orfrom the {@link ManagementFactory#getPlatformMBeanServer platform MBeanServer} method.
The ObjectName for uniquely identifying the MXBean for a garbage collector within an MBeanServer is:
{@link ManagementFactory#GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE java.lang:type=GarbageCollector},name=collector's name
A platform usually includes additional platform-dependent information specific to a garbage collection algorithm for monitoring. @see MemoryMXBean @see JMX Specification. @see Ways to Access MXBeans @author Mandy Chung @version 1.10, 11/17/05 @since 1.5

Examples of java.lang.management.GarbageCollectorMXBean

    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++) {
                String string = poolNames1[i];
                assertEquals(poolNames1[i], poolNames2[i]);
            }

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Examples of java.lang.management.GarbageCollectorMXBean

            }
            mbeans = mbsc.queryNames(gcName, null);
            if (mbeans != null) {
                gcmbeans = new ArrayList<GarbageCollectorMXBean>();
                Iterator iterator = mbeans.iterator();
                GarbageCollectorMXBean gc = null;
                while (iterator.hasNext()) {
                    ObjectName objName = (ObjectName) iterator.next();
                    gc = ManagementFactory.newPlatformMXBeanProxy(mbsc,
                                               objName.getCanonicalName(),
                                               GarbageCollectorMXBean.class);

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Examples of java.lang.management.GarbageCollectorMXBean

        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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Examples of java.lang.management.GarbageCollectorMXBean

                Iterator<ObjectName> iterator = mbeans.iterator();
                while (iterator.hasNext()) {
                    ObjectName on = (ObjectName) iterator.next();
                    String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");


                    GarbageCollectorMXBean mBean = newPlatformMXBeanProxy(server, name, GarbageCollectorMXBean.class);
                    garbageCollectorMBeans.add(mBean);
                }
            }
        }
        return garbageCollectorMBeans;

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Examples of java.lang.management.GarbageCollectorMXBean

        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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Examples of java.lang.management.GarbageCollectorMXBean

    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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Examples of java.lang.management.GarbageCollectorMXBean

         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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Examples of java.lang.management.GarbageCollectorMXBean

        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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Examples of java.lang.management.GarbageCollectorMXBean

        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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Examples of java.lang.management.GarbageCollectorMXBean

        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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