Example usage for java.lang.management ManagementFactory getPlatformMBeanServer

Introduction

In this page you can find the example usage for java.lang.management ManagementFactory getPlatformMBeanServer.

Prototype

public static synchronized MBeanServer getPlatformMBeanServer() 

Source Link

Document

Returns the platform javax.management.MBeanServer MBeanServer .

Usage

From source file:org.opendaylight.infrautils.diagstatus.MBeanUtils.java

public static <T> T getMBean(String jmxName, Class<T> klass) throws MalformedObjectNameException {
    return getMBean(jmxName, klass, ManagementFactory.getPlatformMBeanServer());
}

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From source file:org.dspace.kernel.DSpaceKernelManager.java

/**
 * Unregister an MBean if possible/*from w  ww  . j a v a2s . c om*/
 * @param mBeanName the bean name to use
 * @return true if the MBean was unregistered, false otherwise
 */
public static boolean unregisterMBean(String mBeanName) {
    String checkedMBeanName = DSpaceKernelManager.checkName(mBeanName);
    synchronized (mBeanName) {
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        try {
            mbs.unregisterMBean(new ObjectName(checkedMBeanName));
            return true;
        } catch (InstanceNotFoundException ie) {
            //If this exception is thrown, the specified MBean is not currently registered
            //So, we'll ignore the error and return true
            return true;
        } catch (Exception e) {
            //log this issue as a System Warning. Also log the underlying error message.
            log.warn("Failed to unregister the MBean: " + checkedMBeanName, e);
            return false;
        }
    }
}

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From source file:org.rhq.core.pc.measurement.MeasurementManager.java

public void initialize() {
    if (configuration.isStartManagementBean()) {
        MBeanServer server = ManagementFactory.getPlatformMBeanServer();
        try {/*from w ww  .  j a  v a 2s.c o m*/
            server.registerMBean(this, new ObjectName(OBJECT_NAME));
        } catch (JMException e) {
            LOG.error("Unable to register MeasurementManagerMBean", e);
        }
    }

    this.inventoryManager = PluginContainer.getInstance().getInventoryManager();

    int threadPoolSize = configuration.getMeasurementCollectionThreadPoolSize();
    long collectionInitialDelaySecs = configuration.getMeasurementCollectionInitialDelay();

    if (configuration.isInsideAgent()) {
        this.collectorThreadPool = new ScheduledThreadPoolExecutor(threadPoolSize,
                new LoggingThreadFactory(COLLECTOR_THREAD_POOL_NAME, true));

        this.senderThreadPool = new ScheduledThreadPoolExecutor(2,
                new LoggingThreadFactory(SENDER_THREAD_POOL_NAME, true));

        this.measurementSenderRunner = new MeasurementSenderRunner(this);
        this.measurementCollectorRunner = new MeasurementCollectorRunner(this);

        // Schedule the measurement sender to send measurement reports periodically.
        this.senderThreadPool.scheduleAtFixedRate(measurementSenderRunner, collectionInitialDelaySecs, 30,
                TimeUnit.SECONDS);
        // Schedule the measurement collector to collect metrics periodically, whenever there are one or more
        // metrics due to be collected.
        this.collectorThreadPool.schedule(new MeasurementCollectionRequester(), collectionInitialDelaySecs,
                TimeUnit.SECONDS);

        // Load persistent measurement schedules from the InventoryManager and reconstitute them.
        Resource platform = PluginContainer.getInstance().getInventoryManager().getPlatform();
        reschedule(platform);
    }
}

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From source file:org.wso2.andes.kernel.registry.StorageQueueRegistry.java

private boolean isMbeanRegistered(String storageQueue) {
    Hashtable<String, String> tab = getMbeanObjectnameProp(storageQueue);
    boolean isRegistered = false;
    try {/*from w  ww.j  ava 2s .c o m*/
        isRegistered = ManagementFactory.getPlatformMBeanServer()
                .isRegistered(new ObjectName(ANDES_DOMAIN, tab));
    } catch (Exception e) {
        log.error("Unable to check if an mbean is registered!", e);
    }
    return isRegistered;
}

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From source file:org.apache.hadoop.hdfs.tools.JMXGet.java

/**
 * @throws Exception//  w  w  w.  j ava2  s  . co m
 *     initializes MBeanServer
 */
public void init() throws Exception {

    err("init: server=" + server + ";port=" + port + ";service=" + service + ";localVMUrl=" + localVMUrl);

    String url_string = null;
    // build connection url
    if (localVMUrl != null) {
        // use
        // jstat -snap <vmpid> | grep sun.management.JMXConnectorServer.address
        // to get url
        url_string = localVMUrl;
        err("url string for local pid = " + localVMUrl + " = " + url_string);

    } else if (!port.isEmpty() && !server.isEmpty()) {
        // using server and port
        url_string = "service:jmx:rmi:///jndi/rmi://" + server + ":" + port + "/jmxrmi";
    } // else url stays null

    // Create an RMI connector client and
    // connect it to the RMI connector server

    if (url_string == null) { // assume local vm (for example for Testing)
        mbsc = ManagementFactory.getPlatformMBeanServer();
    } else {
        JMXServiceURL url = new JMXServiceURL(url_string);

        err("Create RMI connector and connect to the RMI connector server" + url);

        JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
        // Get an MBeanServerConnection
        //
        err("\nGet an MBeanServerConnection");
        mbsc = jmxc.getMBeanServerConnection();
    }

    // Get domains from MBeanServer
    //
    err("\nDomains:");

    String domains[] = mbsc.getDomains();
    Arrays.sort(domains);
    for (String domain : domains) {
        err("\tDomain = " + domain);
    }

    // Get MBeanServer's default domain
    //
    err("\nMBeanServer default domain = " + mbsc.getDefaultDomain());

    // Get MBean count
    //
    err("\nMBean count = " + mbsc.getMBeanCount());

    // Query MBean names for specific domain "hadoop" and service
    ObjectName query = new ObjectName("Hadoop:service=" + service + ",*");
    hadoopObjectNames = new ArrayList<>(5);
    err("\nQuery MBeanServer MBeans:");
    Set<ObjectName> names = new TreeSet<>(mbsc.queryNames(query, null));

    for (ObjectName name : names) {
        hadoopObjectNames.add(name);
        err("Hadoop service: " + name);
    }

}

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From source file:org.apache.streams.local.queues.ThroughputQueue.java

/**
 * Creates a bounded, registered {@code ThroughputQueue}
 *
 * @param maxSize maximum capacity of queue, if maxSize < 1 then unbounded
 * @param id      unique id for this queue to be registered with. if id == NULL then not registered
 *///ww w. ja v a 2  s. c  o  m
public ThroughputQueue(int maxSize, String id, String streamIdentifier, long startedAt) {
    if (maxSize < 1) {
        this.underlyingQueue = new LinkedBlockingQueue<>();
    } else {
        this.underlyingQueue = new LinkedBlockingQueue<>(maxSize);
    }
    this.elementsAdded = new AtomicLong(0);
    this.elementsRemoved = new AtomicLong(0);
    this.startTime = new AtomicLong(-1);
    this.active = false;
    this.maxQueuedTime = 0;
    this.maxQueueTimeLock = new ReentrantReadWriteLock();
    this.totalQueueTime = new AtomicLong(0);
    if (id != null) {
        try {
            ObjectName name = new ObjectName(String.format(NAME_TEMPLATE, id, streamIdentifier, startedAt));
            MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
            mbs.registerMBean(this, name);
        } catch (MalformedObjectNameException | InstanceAlreadyExistsException | MBeanRegistrationException
                | NotCompliantMBeanException e) {
            LOGGER.error("Failed to register MXBean : {}", e);
            throw new RuntimeException(e);
        }
    }
}

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From source file:org.sakaiproject.nakamura.cluster.ClusterTrackingServiceImpl.java

/**
 * Activate the service, getting the id of the jvm instance and register the instance.
 *
 * @param ctx/*from   ww  w.ja  va  2s.  c om*/
 * @throws Exception
 */
@SuppressWarnings("unchecked")
protected void activate(ComponentContext ctx) throws Exception {

    Dictionary<String, Object> properties = ctx.getProperties();
    thisSecureUrl = (String) properties.get(PROP_SECURE_HOST_URL);

    componentStartTime = String.valueOf(System.currentTimeMillis());
    MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
    ObjectName name = new ObjectName("java.lang:type=Runtime");
    serverId = ((String) mbeanServer.getAttribute(name, "Name")).replace("@", "-");
    isActive = true;
    pingInstance();
    isReady = true;
}

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From source file:org.jboss.seam.wiki.util.MonitoringEHCacheProvider.java

/**
 * Callback to perform any necessary initialization of the underlying cache implementation
 * during SessionFactory construction.//  w ww . j  av a2s  .com
 *
 * @param properties current configuration settings.
 */
public void start(Properties properties) throws CacheException {
    if (manager != null) {
        log.warn("Attempt to restart an already started EhCacheProvider. Use sessionFactory.close() "
                + " between repeated calls to buildSessionFactory. Using previously created EhCacheProvider."
                + " If this behaviour is required, consider using net.sf.ehcache.hibernate.SingletonEhCacheProvider.");
        return;
    }
    try {
        String configurationResourceName = null;
        if (properties != null) {
            configurationResourceName = (String) properties.get(Environment.CACHE_PROVIDER_CONFIG);
        }
        if (StringHelper.isEmpty(configurationResourceName)) {
            manager = new CacheManager();
        } else {
            URL url = loadResource(configurationResourceName);
            manager = new CacheManager(url);
        }

        // Register statistics MBean of EHCache on the current MBean server
        log.info("registering EHCache monitoring MBean");
        MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
        ManagementService.registerMBeans(manager, mBeanServer, false, false, false, true);

    } catch (net.sf.ehcache.CacheException e) {
        //yukky! Don't you have subclasses for that!
        //TODO race conditions can happen here
        if (e.getMessage()
                .startsWith("Cannot parseConfiguration CacheManager. Attempt to create a new instance of "
                        + "CacheManager using the diskStorePath")) {
            throw new CacheException(
                    "Attempt to restart an already started EhCacheProvider. Use sessionFactory.close() "
                            + " between repeated calls to buildSessionFactory. Consider using net.sf.ehcache.hibernate.SingletonEhCacheProvider.",
                    e);
        } else {
            throw e;
        }
    }
}

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From source file:io.github.tfahub.dropwizard.logging.XmlBasedLoggingFactory.java

void registerJmxConfiguratorMBean() throws JMException {
    final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
    final ObjectName objectName = new ObjectName("io.dropwizard:type=Logging");
    if (!server.isRegistered(objectName)) {
        server.registerMBean(new JMXConfigurator(loggerContext, server, objectName), objectName);
    }//from  w  w w  . j a  va  2 s . com
}

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From source file:com.tesora.dve.server.bootstrap.BootstrapHost.java

@Override
protected void registerMBeans() {
    MBeanServer server = ManagementFactory.getPlatformMBeanServer();

    try {//from  w  w  w .ja v  a2 s  .c  o m
        server.registerMBean(this, new ObjectName(MBEAN_BOOTSTRAP_HOST));
    } catch (Exception e) {
        logger.error("Unable to register " + MBEAN_BOOTSTRAP_HOST + " mbean", e);
    }

    try {
        HierarchyDynamicMBean hdm = new HierarchyDynamicMBean();
        server.registerMBean(hdm, new ObjectName(MBEAN_LOG4J_HIERARCHY));

        // Add the root logger to the Hierarchy MBean
        hdm.addLoggerMBean(Logger.getRootLogger().getName());

        LoggerRepository r = LogManager.getLoggerRepository();

        @SuppressWarnings("rawtypes")
        Enumeration loggers = r.getCurrentLoggers();
        while (loggers.hasMoreElements()) {
            hdm.addLoggerMBean(((Logger) loggers.nextElement()).getName());
        }
    } catch (Exception e) {
        logger.error("Unable to register " + MBEAN_LOG4J_HIERARCHY + " mbean", e);
    }

    super.registerMBeans();
}

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