Java Code Examples for javax.management.openmbean.CompositeData

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // vmOptionItemNames!
    final Object[] vmOptionItemValues = {
        option.getName(),
        option.getValue(),
        new Boolean(option.isWriteable()),
        option.getOrigin().toString(),
    };

    try {
        return new CompositeDataSupport(vmOptionCompositeType,
                                        vmOptionItemNames,
                                        vmOptionItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

private static boolean compositeDataEqual(CompositeData cd1,
                                          CompositeData cd2,
                                          NamedMXBeans namedMXBeans) {
    if (cd1 == cd2)
        return true;
    if (!cd1.getCompositeType().equals(cd2.getCompositeType()))
        return false;
    Collection v1 = cd1.values();
    Collection v2 = cd2.values();
    if (v1.size() != v2.size())
        return false; // should not happen
    for (Iterator i1 = v1.iterator(), i2 = v2.iterator();
         i1.hasNext(); ) {
        if (!equal(i1.next(), i2.next(), namedMXBeans))
            return false;
    }
    return true;
}
 

Object fromCompositeData(CompositeData cd,
                         String[] itemNames,
                         MXBeanMapping[] converters)
        throws InvalidObjectException {
    Object o;
    try {
        final Class<?> targetClass = getTargetClass();
        ReflectUtil.checkPackageAccess(targetClass);
        o = targetClass.newInstance();
        for (int i = 0; i < itemNames.length; i++) {
            if (cd.containsKey(itemNames[i])) {
                Object openItem = cd.get(itemNames[i]);
                Object javaItem =
                    converters[i].fromOpenValue(openItem);
                MethodUtil.invoke(setters[i], o, new Object[] {javaItem});
            }
        }
    } catch (Exception e) {
        throw invalidObjectException(e);
    }
    return o;
}
 

static void createNotification(String notifType,
                               String poolName,
                               MemoryUsage usage,
                               long count) {
    MemoryImpl mbean = (MemoryImpl) ManagementFactory.getMemoryMXBean();
    if (!mbean.hasListeners()) {
        // if no listener is registered.
        return;
    }
    long timestamp = System.currentTimeMillis();
    String msg = getNotifMsg(notifType);
    Notification notif = new Notification(notifType,
                                          mbean.getObjectName(),
                                          getNextSeqNumber(),
                                          timestamp,
                                          msg);
    MemoryNotificationInfo info =
        new MemoryNotificationInfo(poolName,
                                   usage,
                                   count);
    CompositeData cd =
        MemoryNotifInfoCompositeData.toCompositeData(info);
    notif.setUserData(cd);
    mbean.sendNotification(notif);
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryNotifInfoItemNames!
    final Object[] memoryNotifInfoItemValues = {
        memoryNotifInfo.getPoolName(),
        MemoryUsageCompositeData.toCompositeData(memoryNotifInfo.getUsage()),
        new Long(memoryNotifInfo.getCount()),
    };

    try {
        return new CompositeDataSupport(memoryNotifInfoCompositeType,
                                        memoryNotifInfoItemNames,
                                        memoryNotifInfoItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

Object fromCompositeData(CompositeData cd,
                         String[] itemNames,
                         MXBeanMapping[] converters)
        throws InvalidObjectException {
    Object o;
    try {
        final Class<?> targetClass = getTargetClass();
        ReflectUtil.checkPackageAccess(targetClass);
        o = targetClass.newInstance();
        for (int i = 0; i < itemNames.length; i++) {
            if (cd.containsKey(itemNames[i])) {
                Object openItem = cd.get(itemNames[i]);
                Object javaItem =
                    converters[i].fromOpenValue(openItem);
                MethodUtil.invoke(setters[i], o, new Object[] {javaItem});
            }
        }
    } catch (Exception e) {
        throw invalidObjectException(e);
    }
    return o;
}
 

void createGCNotification(long timestamp,
                          String gcName,
                          String gcAction,
                          String gcCause,
                          GcInfo gcInfo)  {

    if (!hasListeners()) {
        return;
    }

    Notification notif = new Notification(GarbageCollectionNotificationInfo.GARBAGE_COLLECTION_NOTIFICATION,
                                          getObjectName(),
                                          getNextSeqNumber(),
                                          timestamp,
                                          gcName);
    GarbageCollectionNotificationInfo info =
        new GarbageCollectionNotificationInfo(gcName,
                                              gcAction,
                                              gcCause,
                                              gcInfo);

    CompositeData cd =
        GarbageCollectionNotifInfoCompositeData.toCompositeData(info);
    notif.setUserData(cd);
    sendNotification(notif);
}
 

@Override
final Object fromNonNullOpenValue(Object openValue)
        throws InvalidObjectException {
    final TabularData table = (TabularData) openValue;
    final Collection<CompositeData> rows = cast(table.values());
    final Map<Object, Object> valueMap =
        sortedMap ? newSortedMap() : newInsertionOrderMap();
    for (CompositeData row : rows) {
        final Object key =
            keyMapping.fromOpenValue(row.get("key"));
        final Object value =
            valueMapping.fromOpenValue(row.get("value"));
        if (valueMap.put(key, value) != null) {
            final String msg =
                "Duplicate entry in TabularData: key=" + key;
            throw new InvalidObjectException(msg);
        }
    }
    return valueMap;
}
 

@Override
public String toString() {
    if (userData == null) {
        return null;
    }
    if (userData.getClass().isArray()) {
        String name =
                Utils.getArrayClassName(userData.getClass().getName());
        int length = Array.getLength(userData);
        return name + "[" + length + "]";
    }

    if (userData instanceof CompositeData ||
            userData instanceof TabularData) {
        return userData.getClass().getName();
    }

    return userData.toString();
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryUsageItemNames!
    final Object[] memoryUsageItemValues = {
        new Long(usage.getInit()),
        new Long(usage.getUsed()),
        new Long(usage.getCommitted()),
        new Long(usage.getMax()),
    };

    try {
        return new CompositeDataSupport(memoryUsageCompositeType,
                                        memoryUsageItemNames,
                                        memoryUsageItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // stackTraceElementItemNames!
    final Object[] stackTraceElementItemValues = {
        ste.getClassName(),
        ste.getMethodName(),
        ste.getFileName(),
        new Integer(ste.getLineNumber()),
        new Boolean(ste.isNativeMethod()),
    };
    try {
        return new CompositeDataSupport(stackTraceElementCompositeType,
                                        stackTraceElementItemNames,
                                        stackTraceElementItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

protected CompositeData getCompositeData() {
    // CONTENTS OF THIS ARRAY MUST BE SYNCHRONIZED WITH
    // memoryUsageItemNames!
    final Object[] memoryUsageItemValues = {
        new Long(usage.getInit()),
        new Long(usage.getUsed()),
        new Long(usage.getCommitted()),
        new Long(usage.getMax()),
    };

    try {
        return new CompositeDataSupport(memoryUsageCompositeType,
                                        memoryUsageItemNames,
                                        memoryUsageItemValues);
    } catch (OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

/** */
private void checkContinuousQueryView(IgniteEx origNode, IgniteEx checkNode) {
    TabularDataSupport qrys = systemView(checkNode, CQ_SYS_VIEW);

    assertEquals(1, qrys.size());

    for (int i = 0; i < qrys.size(); i++) {
        CompositeData cq = qrys.get(new Object[] {i});

        assertEquals("cache-1", cq.get("cacheName"));
        assertEquals(100, cq.get("bufferSize"));
        assertEquals(1000L, cq.get("interval"));
        assertEquals(origNode.localNode().id().toString(), cq.get("nodeId"));

        if (origNode.localNode().id().equals(checkNode.localNode().id()))
            assertTrue(cq.get("localListener").toString().startsWith(getClass().getName()));
        else
            assertNull(cq.get("localListener"));

        assertTrue(cq.get("remoteFilter").toString().startsWith(getClass().getName()));
        assertNull(cq.get("localTransformedListener"));
        assertNull(cq.get("remoteTransformer"));
    }
}
 

private static String getProperty(TabularData td, String propName) {
    CompositeData cd = td.get(new Object[] { propName});
    if (cd != null) {
        String key = (String) cd.get("key");
        if (!propName.equals(key)) {
             throw new RuntimeException("TEST FAILED: " +
                 key + " property found" +
                 " but expected to be " + propName);
        }
        return (String) cd.get("value");
    }
    return null;
}
 

public static LockInfo toLockInfo(CompositeData cd) {
    if (cd == null) {
        throw new NullPointerException("Null CompositeData");
    }

    if (!isTypeMatched(lockInfoCompositeType, cd.getCompositeType())) {
        throw new IllegalArgumentException(
            "Unexpected composite type for LockInfo");
    }

    String className = getString(cd, CLASS_NAME);
    int identityHashCode = getInt(cd, IDENTITY_HASH_CODE);
    return new LockInfo(className, identityHashCode);
}
 

public static String getGcCause(CompositeData cd) {
    String gccause = getString(cd, GC_CAUSE);
    if (gccause == null) {
        throw new IllegalArgumentException("Invalid composite data: " +
            "Attribute " + GC_CAUSE + " has null value");
    }
    return gccause;
}
 

public static Map<String, MemoryUsage>
        getMemoryUsageAfterGc(CompositeData cd) {
    try {
        TabularData td = (TabularData) cd.get(MEMORY_USAGE_AFTER_GC);
        //return (Map<String,MemoryUsage>)
        return cast(memoryUsageMapType.toJavaTypeData(td));
    } catch (InvalidObjectException | OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}
 

public static LockInfo toLockInfo(CompositeData cd) {
    if (cd == null) {
        throw new NullPointerException("Null CompositeData");
    }

    if (!isTypeMatched(lockInfoCompositeType, cd.getCompositeType())) {
        throw new IllegalArgumentException(
            "Unexpected composite type for LockInfo");
    }

    String className = getString(cd, CLASS_NAME);
    int identityHashCode = getInt(cd, IDENTITY_HASH_CODE);
    return new LockInfo(className, identityHashCode);
}
 

/**
 * Constructs a <tt>MemoryUsage</tt> object from a
 * {@link CompositeData CompositeData}.
 */
private MemoryUsage(CompositeData cd) {
    // validate the input composite data
    MemoryUsageCompositeData.validateCompositeData(cd);

    this.init = MemoryUsageCompositeData.getInit(cd);
    this.used = MemoryUsageCompositeData.getUsed(cd);
    this.committed = MemoryUsageCompositeData.getCommitted(cd);
    this.max = MemoryUsageCompositeData.getMax(cd);
}
 

private ConfigurationInfo(CompositeData cd) {
    this.settings = createMap(cd.get("settings"));
    this.name = (String) cd.get("name");
    this.label = (String) cd.get("label");
    this.description = (String) cd.get("description");
    this.provider = (String) cd.get("provider");
    this.contents = (String) cd.get("contents");
}
 

public MonitorInfo[] lockedMonitors() {
    CompositeData[] lockedMonitorsData =
        (CompositeData[]) cdata.get(LOCKED_MONITORS);

    // The LockedMonitors item cannot be null, but if it is we will get
    // a NullPointerException when we ask for its length.
    MonitorInfo[] monitors =
        new MonitorInfo[lockedMonitorsData.length];
    for (int i = 0; i < lockedMonitorsData.length; i++) {
        CompositeData cdi = lockedMonitorsData[i];
        monitors[i] = MonitorInfo.from(cdi);
    }
    return monitors;
}
 

public static String getGcName(CompositeData cd) {
    String gcname = getString(cd, GC_NAME);
    if (gcname == null) {
        throw new IllegalArgumentException("Invalid composite data: " +
            "Attribute " + GC_NAME + " has null value");
    }
    return gcname;
}
 

private static void checkSunGC() throws Exception {
   // Test com.sun.management proxy
    List<GarbageCollectorMXBean> gcs = getGarbageCollectorMXBeans();
    for (GarbageCollectorMXBean gc : gcs) {
        ObjectName sunGc =
            new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE +
                           ",name=" + gc.getName());
        CompositeData cd = (CompositeData) server.getAttribute(sunGc, "LastGcInfo");
        if (cd != null) {
            System.out.println("GC statistic for : " + gc.getName());
            printGcInfo(cd);
        }
    }
}
 

public static String getPoolName(CompositeData cd) {
    String poolname = getString(cd, POOL_NAME);
    if (poolname == null) {
        throw new IllegalArgumentException("Invalid composite data: " +
            "Attribute " + POOL_NAME + " has null value");
    }
    return poolname;
}
 

public CompositeData getCompositeDataAttribute()
    throws OpenDataException {
    CompositeType ct = new CompositeType("CompositeDataAttribute",
                                         "Composite Data Attribute",
                                         itemNames,
                                         itemDescriptions,
                                         itemTypes);
    Object itemValues[] = { ia, da, sa };
    return new CompositeDataSupport(ct, itemNames, itemValues);
}
 

public long getCodeCacheFree()
  throws JMException
{
  CompositeData data
    = (CompositeData) _mbeanServer.getAttribute(getCodeCacheName(), "Usage");

  MemoryUsage usage = MemoryUsage.from(data);

  return usage.getMax() - usage.getUsed();
}
 

private static CompositeData convert(MessageAndAddresses maa) {
    if (maa == null) {
        return null;
    }
    try {
        TabularData addrData = new TabularDataSupport(TAB_ADDR_TYPE);
        for(Address addr : maa.getAddresses()) {
            addrData.put(new CompositeDataSupport(ROW_ADDR_TYPE, new String[]{"addressType", "address"}, new Object[]{addr.getType(), addr.toString()}));
        }
        TabularData headerData = new TabularDataSupport(TAB_HEADER_TYPE);
        Enumeration en = maa.getMessage().getAllHeaders();
        while (en.hasMoreElements()) {
            Header header = (Header) en.nextElement();
            headerData.put(new CompositeDataSupport(ROW_HEADER_TYPE, new String[]{"header-name", "header-value"}, new Object[]{header.getName(), header.getValue()}));
        }
        String error = null;
        if (maa.getException() != null) {
            StringWriter sw = new StringWriter();
            sw.append(maa.getException().toString());
            maa.getException().printStackTrace(new PrintWriter(sw));
            sw.flush();
            error = sw.toString();
        }
        return new CompositeDataSupport(MAIL_INFO_TYPE,
                new String[] {"messageId", "date", "subject", "toAddresses", "headers", "errorDescription"},
                new Object[]{maa.getMessage().getMessageID(), new Date(maa.getTimestamp()), maa.getMessage().getSubject(), addrData, headerData, error}
        );
    } catch (OpenDataException | MessagingException e) {
        throw new IllegalArgumentException("cannot convert MessageAndAddresses to CompositeData", e);
    }
}
 

public void getAttribute(PrintWriter writer, String onameStr, String att, String key) {
    try {
        ObjectName oname = new ObjectName(onameStr);
        Object value = mBeanServer.getAttribute(oname, att);

        if(null != key && value instanceof CompositeData)
          value = ((CompositeData)value).get(key);

        String valueStr;
        if (value != null) {
            valueStr = value.toString();
        } else {
            valueStr = "<null>";
        }

        writer.print("OK - Attribute get '");
        writer.print(onameStr);
        writer.print("' - ");
        writer.print(att);

        if(null != key) {
            writer.print(" - key '");
            writer.print(key);
            writer.print("'");
        }

        writer.print(" = ");

        writer.println(MBeanDumper.escape(valueStr));
    } catch (Exception ex) {
        writer.println("Error - " + ex.toString());
        ex.printStackTrace(writer);
    }
}
 

static boolean equal(Object o1, Object o2, NamedMXBeans namedMXBeans) {
        if (o1 == o2)
            return true;
        if (o1 == null || o2 == null)
            return false;
        if (o1.getClass().isArray()) {
            if (!o2.getClass().isArray())
                return false;
            return deepEqual(o1, o2, namedMXBeans);
        }
        if (o1 instanceof Map) {
            if (!(o2 instanceof Map))
                return false;
            return equalMap((Map) o1, (Map) o2, namedMXBeans);
        }
        if (o1 instanceof CompositeData && o2 instanceof CompositeData) {
            return compositeDataEqual((CompositeData) o1, (CompositeData) o2,
                                      namedMXBeans);
        }
        if (Proxy.isProxyClass(o1.getClass())) {
            if (Proxy.isProxyClass(o2.getClass()))
                return proxyEqual(o1, o2, namedMXBeans);
            InvocationHandler ih = Proxy.getInvocationHandler(o1);
//            if (ih instanceof MXBeanInvocationHandler) {
//                return proxyEqualsObject((MXBeanInvocationHandler) ih,
//                                         o2, namedMXBeans);
            if (ih instanceof MBeanServerInvocationHandler) {
                return true;
            } else if (ih instanceof CompositeDataInvocationHandler) {
                return o2.equals(o1);
                // We assume the other object has a reasonable equals method
            }
        } else if (Proxy.isProxyClass(o2.getClass()))
            return equal(o2, o1, namedMXBeans);
        return o1.equals(o2);
    }
 

public void handleNotification(Notification notif, Object handback) {
    String type = notif.getType();
    if (type.equals(MemoryNotificationInfo.MEMORY_THRESHOLD_EXCEEDED) ||
        type.equals(MemoryNotificationInfo.
            MEMORY_COLLECTION_THRESHOLD_EXCEEDED)) {
        listenerInvoked = true;
        MemoryNotificationInfo minfo = MemoryNotificationInfo.
            from((CompositeData) notif.getUserData());

        System.out.print("Notification for " + minfo.getPoolName());
        System.out.print(" [type = " + type);
        System.out.println(" count = " + minfo.getCount() + "]");
        System.out.println(INDENT + "usage = " + minfo.getUsage());
    }
}