Example usage for javax.management MBeanServer isRegistered

Introduction

In this page you can find the example usage for javax.management MBeanServer isRegistered.

Prototype

public boolean isRegistered(ObjectName name);

Source Link

Usage

From source file:org.acmsl.commons.utils.jmx.MBeanRegistrator.java

/**
 * Unregisters a MBean from given an object name.
 * @param objectName the object name.//from  w  w  w .  j a v  a2s  .  c om
 * @param server the MBean server.
 * @return <code>true</code> if the MBean is unregistered successfully.
 */
protected boolean unregister(@NotNull final ObjectName objectName, @Nullable final MBeanServer server) {
    boolean result = false;

    try {
        if ((server != null) && (server.isRegistered(objectName))) {
            server.unregisterMBean(objectName);

            result = true;
        } else {
            LogFactory.getLog(MBeanRegistrator.class).info(objectName + " is not registered.");
        }
    } catch (final Throwable throwable) {
        LogFactory.getLog(MBeanRegistrator.class).warn(
                "Specified object name is not " + "suitable of being unregistered in the MBean server.",
                throwable);
    }

    return result;
}

From source file:org.acmsl.commons.utils.jmx.MBeanRegistrator.java

/**
 * Registers a MBean from given its class name and an object name.
 * @param mbean the class name.//from ww  w.j  a  va  2  s .c om
 * @param objectName the object name.
 * @param server the server.
 * @return <code>true</code> if the MBean is registered successfully.
 */
protected boolean register(@NotNull final Object mbean, @NotNull final ObjectName objectName,
        @Nullable final MBeanServer server) {
    boolean result = false;

    try {
        if ((server != null) && (!server.isRegistered(objectName))) {
            server.registerMBean(mbean, objectName);

            result = true;
        } else {
            LogFactory.getLog(MBeanRegistrator.class).info(objectName + " is already registered.");
        }
    } catch (final Throwable throwable) {
        LogFactory.getLog(MBeanRegistrator.class).warn("Specified object name and/or MBean class name are not "
                + "suitable of being registered in the MBean server.", throwable);
    }

    return result;
}

From source file:com.rackspacecloud.blueflood.tracker.Tracker.java

public synchronized void register() {
    if (isRegistered)
        return;/*  w  w  w  .  j  av a2 s.  c  om*/

    try {
        ObjectName objectName = new ObjectName(trackerName);

        // register TrackerMBean only if not already registered
        MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
        if (!mBeanServer.isRegistered(objectName)) {
            ManagementFactory.getPlatformMBeanServer().registerMBean(instance, objectName);
        }

        isRegistered = true;
        log.info("MBean registered as " + trackerName);

    } catch (Exception exc) {
        log.error("Unable to register MBean " + trackerName, exc);
    }
}

From source file:org.red5.server.service.WarDeployer.java

/**
 * Returns the LoaderMBean./*from  w w  w  .  j a  v  a  2 s .c  om*/
 * @return
 */
public LoaderMBean getLoader() {
    MBeanServer mbs = JMXFactory.getMBeanServer();

    ObjectName oName = JMXFactory.createObjectName("type", "TomcatLoader");

    LoaderMBean proxy = null;
    if (mbs.isRegistered(oName)) {
        proxy = (LoaderMBean) MBeanServerInvocationHandler.newProxyInstance(mbs, oName, LoaderMBean.class,
                true);
        log.debug("Loader was found");
    } else {
        log.warn("Loader not found");
    }
    return proxy;
}

From source file:io.fabric8.insight.log.support.LogQuerySupport.java

public void registerMBeanServer(MBeanServer mbeanServer) {
    try {/* www  .  j  a va  2s .c  om*/
        ObjectName name = getMbeanName();
        if (mbeanServer.isRegistered(name)) {
            LOG.warn("MBean " + name + " is already registered!");
        } else {
            ObjectInstance objectInstance = mbeanServer.registerMBean(this, name);
        }
    } catch (Exception e) {
        LOG.warn("An error occurred during mbean server registration: " + e, e);
    }
}

From source file:io.fabric8.insight.log.support.LogQuerySupport.java

public void unregisterMBeanServer(MBeanServer mbeanServer) {
    if (mbeanServer != null) {
        try {/* w  ww.  ja  va  2  s .  c  om*/
            ObjectName name = getMbeanName();
            if (name != null && mbeanServer.isRegistered(name)) {
                mbeanServer.unregisterMBean(name);
            }
        } catch (Exception e) {
            LOG.warn("An error occurred during mbean server registration: " + e, e);
        }
    }
}

From source file:org.apache.openejb.resource.jdbc.dbcp.JMXBasicDataSource.java

public JMXBasicDataSource(final String name, final BasicDataSource ds) {
    this.ds = ds;

    if (LocalMBeanServer.isJMXActive()) {
        objectName = ObjectNameBuilder.uniqueName("datasources", name, ds);
        final MBeanServer server = LocalMBeanServer.get();
        try {/*from   www . ja  v a  2 s.  c om*/
            if (server.isRegistered(objectName)) {
                server.unregisterMBean(objectName);
            }
            server.registerMBean(new DynamicMBeanWrapper(this), objectName);
        } catch (final Exception e) {
            e.printStackTrace(); // TODO
        }
    }
}

From source file:org.red5.server.service.Installer.java

/**
 * Returns the LoaderMBean.//from  w  w  w  .  j  a v  a  2 s  .c  o m
 * @return LoaderMBean
 */
@SuppressWarnings("cast")
public LoaderMBean getLoader() {
    MBeanServer mbs = JMXFactory.getMBeanServer();

    ObjectName oName = JMXFactory.createObjectName("type", "TomcatLoader");

    LoaderMBean proxy = null;
    if (mbs.isRegistered(oName)) {
        proxy = (LoaderMBean) MBeanServerInvocationHandler.newProxyInstance(mbs, oName, LoaderMBean.class,
                true);
        log.debug("Loader was found");
    } else {
        log.warn("Loader not found");
    }
    return proxy;
}

From source file:com.neophob.sematrix.jmx.PixelControllerStatus.java

/**
 * Register the JMX Bean.// w  ww  . j a va2  s.c  om
 *
 * @param configuredFps the configured fps
 */
public PixelControllerStatus(int configuredFps) {
    LOG.log(Level.INFO, "Initialize the PixelControllerStatus JMX Bean");

    this.configuredFps = configuredFps;

    // initialize all buffers 
    this.timeMeasureMapGlobal = new ConcurrentHashMap<TimeMeasureItemGlobal, CircularFifoBuffer>();
    for (TimeMeasureItemGlobal timeMeasureItem : TimeMeasureItemGlobal.values()) {
        this.timeMeasureMapGlobal.put(timeMeasureItem, new CircularFifoBuffer(this.configuredFps * SECONDS));
    }
    this.timeMeasureMapOutput = new ConcurrentHashMap<Output, Map<TimeMeasureItemOutput, CircularFifoBuffer>>();
    this.outputList = new ArrayList<Output>();

    startTime = System.currentTimeMillis();

    // register MBean
    try {
        MBeanServer server = ManagementFactory.getPlatformMBeanServer();
        ObjectName name = new ObjectName(JMX_BEAN_NAME);
        // check if the MBean is already registered
        if (!server.isRegistered(name)) {
            server.registerMBean(this, name);
        }
    } catch (JMException ex) {
        LOG.log(Level.WARNING, "Error while registering class as JMX Bean.", ex);
    }
}