Example usage for javax.management MBeanServerConnection queryNames

Introduction

In this page you can find the example usage for javax.management MBeanServerConnection queryNames.

Prototype

public Set<ObjectName> queryNames(ObjectName name, QueryExp query) throws IOException;

Source Link

Document

Gets the names of MBeans controlled by the MBean server.

Usage

From source file:com.example.Client.java

public static void main(String[] args) throws Exception {
    // Create an RMI connector client and
    // connect it to the RMI connector server
    ////from w  w w .  ja va 2 s  . c o m
    echo("\nCreate an RMI connector client and " + "connect it to the RMI connector server");
    JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://:9999/jmxrmi");
    JMXConnector jmxc = JMXConnectorFactory.connect(url, null);

    // Create listener
    //
    ClientListener listener = new ClientListener();

    // Get an MBeanServerConnection
    //
    echo("\nGet an MBeanServerConnection");
    MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
    waitForEnterPressed();

    // Get domains from MBeanServer
    //
    echo("\nDomains:");
    String domains[] = mbsc.getDomains();
    Arrays.sort(domains);
    for (String domain : domains) {
        echo("\tDomain = " + domain);
    }
    waitForEnterPressed();

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

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

    // Query MBean names
    //
    echo("\nQuery MBeanServer MBeans:");
    Set<ObjectName> names = new TreeSet<ObjectName>(mbsc.queryNames(null, null));
    for (ObjectName name : names) {
        echo("\tObjectName = " + name);
    }
    waitForEnterPressed();

    // ----------------------
    // Manage the Hello MBean
    // ----------------------

    echo("\n>>> Perform operations on Hello MBean <<<");

    // Construct the ObjectName for the Hello MBean
    //
    ObjectName mbeanName = new ObjectName("com.example:type=Hello");

    // Create a dedicated proxy for the MBean instead of
    // going directly through the MBean server connection
    //
    HelloMBean mbeanProxy = JMX.newMBeanProxy(mbsc, mbeanName, HelloMBean.class, true);

    // Add notification listener on Hello MBean
    //
    echo("\nAdd notification listener...");
    mbsc.addNotificationListener(mbeanName, listener, null, null);

    // Get CacheSize attribute in Hello MBean
    //
    echo("\nCacheSize = " + mbeanProxy.getCacheSize());

    // Set CacheSize attribute in Hello MBean
    // Calling "reset" makes the Hello MBean emit a
    // notification that will be received by the registered
    // ClientListener.
    //
    mbeanProxy.setCacheSize(150);

    // Sleep for 2 seconds to have time to receive the notification
    //
    echo("\nWaiting for notification...");
    sleep(2000);

    // Get CacheSize attribute in Hello MBean
    //
    echo("\nCacheSize = " + mbeanProxy.getCacheSize());

    // Invoke "sayHello" in Hello MBean
    //
    echo("\nInvoke sayHello() in Hello MBean...");
    mbeanProxy.sayHello();

    // Invoke "add" in Hello MBean
    //
    echo("\nInvoke add(2, 3) in Hello MBean...");
    echo("\nadd(2, 3) = " + mbeanProxy.add(2, 3));

    waitForEnterPressed();

    // ------------------------------
    // Manage the QueueSampler MXBean
    // ------------------------------

    echo("\n>>> Perform operations on QueueSampler MXBean <<<");

    // Construct the ObjectName for the QueueSampler MXBean
    //
    ObjectName mxbeanName = new ObjectName("com.example:type=QueueSampler");

    // Create a dedicated proxy for the MXBean instead of
    // going directly through the MBean server connection
    //
    QueueSamplerMXBean mxbeanProxy = JMX.newMXBeanProxy(mbsc, mxbeanName, QueueSamplerMXBean.class);

    // Get QueueSample attribute in QueueSampler MXBean
    //
    QueueSample queue1 = mxbeanProxy.getQueueSample();
    echo("\nQueueSample.Date = " + queue1.getDate());
    echo("QueueSample.Head = " + queue1.getHead());
    echo("QueueSample.Size = " + queue1.getSize());

    // Invoke "clearQueue" in QueueSampler MXBean
    //
    echo("\nInvoke clearQueue() in QueueSampler MXBean...");
    mxbeanProxy.clearQueue();

    // Get QueueSample attribute in QueueSampler MXBean
    //
    QueueSample queue2 = mxbeanProxy.getQueueSample();
    echo("\nQueueSample.Date = " + queue2.getDate());
    echo("QueueSample.Head = " + queue2.getHead());
    echo("QueueSample.Size = " + queue2.getSize());

    waitForEnterPressed();

    // Close MBeanServer connection
    //
    echo("\nClose the connection to the server");
    jmxc.close();
    echo("\nBye! Bye!");
}

---

From source file:com.haulmont.cuba.web.jmx.JmxConnectionHelper.java

@Nullable
protected static ObjectName getObjectName(final MBeanServerConnection connection, final Class objectClass)
        throws IOException {

    Set<ObjectName> names = connection.queryNames(null, null);
    return IterableUtils.find(names, o -> {
        MBeanInfo info;/*from w  ww. ja  v a2  s  . c  om*/
        try {
            info = connection.getMBeanInfo(o);
        } catch (InstanceNotFoundException | UnmarshalException e) {
            return false;
        } catch (Exception e) {
            throw new JmxControlException(e);
        }
        return Objects.equals(objectClass.getName(), info.getClassName());
    });
}

---

From source file:com.haulmont.cuba.web.jmx.JmxConnectionHelper.java

protected static Collection<ObjectName> getSuitableObjectNames(final MBeanServerConnection connection,
        final Class objectClass) throws IOException {
    Set<ObjectName> names = connection.queryNames(null, null);

    // find all suitable beans
    @SuppressWarnings("unchecked")
    Collection<ObjectName> suitableNames = CollectionUtils.select(names, o -> {
        MBeanInfo info;/*  ww  w  .  java2  s  .c om*/
        try {
            info = connection.getMBeanInfo(o);
        } catch (Exception e) {
            throw new JmxControlException(e);
        }
        return Objects.equals(objectClass.getName(), info.getClassName());
    });

    return suitableNames;
}

---

From source file:com.haulmont.cuba.web.jmx.JmxConnectionHelper.java

protected static ObjectName getObjectName(final MBeanServerConnection connection, final String remoteContext,
        final Class objectClass) throws IOException {
    Set<ObjectName> names = connection.queryNames(null, null);
    return IterableUtils.find(names, o -> {
        if (!Objects.equals(remoteContext, o.getDomain())) {
            return false;
        }//from   w  w  w. ja v  a2  s  .  c  o m

        MBeanInfo info;
        try {
            info = connection.getMBeanInfo(o);
        } catch (Exception e) {
            throw new JmxControlException(e);
        }
        return Objects.equals(objectClass.getName(), info.getClassName());
    });
}

---

From source file:gr.cslab.Metric_test.java

static public void list() {
    String host = hosts.remove(0);
    try {//from  w  ww. jav  a2 s  . c  o  m

        String url = "service:jmx:rmi:///jndi/rmi://" + host + ":" + port + "/jmxrmi";
        System.out.println("RMI URL:\t" + url + "");
        JMXServiceURL serviceUrl = new JMXServiceURL(url);
        try (JMXConnector jmxc = JMXConnectorFactory.connect(serviceUrl, null)) {
            MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();

            System.out.println("List of available names");

            Set<ObjectName> names;
            names = new TreeSet<>(mbsc.queryNames(null, null));
            System.out.println("Available names:");
            for (ObjectName name : names) {
                System.out.println("\tObjectName = " + name);
            }
        }
    } catch (IOException ex) {
        System.err.println("ERROR: failed to query the server " + host);
    }

}

---

From source file:de.jgoldhammer.alfresco.jscript.jmx.JmxDumpUtil.java

/**
 * Dumps a local or remote MBeanServer's entire object tree for support
 * purposes. Nested arrays and CompositeData objects in MBean attribute
 * values are handled.//w w  w  .  j  a  va 2 s. co  m
 * 
 * @param connection
 *            the server connection (or server itself)
 * @param out
 *            PrintWriter to write the output to
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static void dumpConnection(MBeanServerConnection connection, PrintWriter out) throws IOException {
    JmxDumpUtil.showStartBanner(out);

    // Get all the object names
    Set<ObjectName> objectNames = connection.queryNames(null, null);

    // Sort the names (don't assume ObjectName implements Comparable in JDK
    // 1.5)
    Set<ObjectName> newObjectNames = new TreeSet<ObjectName>(new Comparator<ObjectName>() {
        public int compare(ObjectName o1, ObjectName o2) {
            return o1.toString().compareTo(o2.toString());
        }
    });
    newObjectNames.addAll(objectNames);
    objectNames = newObjectNames;

    // Dump each MBean
    for (ObjectName objectName : objectNames) {
        try {
            printMBeanInfo(connection, objectName, out, null);
        } catch (JMException e) {
            // Sometimes beans can disappear while we are examining them
        }
    }
}

---

From source file:com.athena.dolly.console.module.jmx.JmxClientManager.java

public static HashMap<String, Object> getObjectNameInfo(ObjectName objName, String nodeName) {
    JmxClient jmxClient = jmxClientMap.get(nodeName);

    try {//www  . ja va2s  .c o m
        MBeanServerConnection connection = jmxClient.getJmxConnector().getMBeanServerConnection();
        HashMap<String, Object> infoMap = new HashMap<String, Object>();
        Set<ObjectName> names = new TreeSet<ObjectName>(connection.queryNames(objName, null));

        for (ObjectName name : names) {
            logger.info("#######################");
            logger.info("\tObjectName = " + name);

            MBeanInfo info = connection.getMBeanInfo(name);
            MBeanAttributeInfo[] attributes = info.getAttributes();

            for (MBeanAttributeInfo attr : attributes) {
                logger.info("==========================");
                logger.info("attrName = " + attr.getName());
                logger.info("attrType = " + attr.getType());
                logger.info("connection.getAttribute = " + connection.getAttribute(name, attr.getName()));

                infoMap.put(attr.getName(), connection.getAttribute(name, attr.getName()));
            }
        }

        return infoMap;
    } catch (Exception e) {
        logger.error("unhandled exception has errored : ", e);
    }

    return null;
}

---

From source file:io.mapzone.controller.um.launcher.ArenaLauncher.java

protected void configureInstance(ProjectInstanceRecord instance) throws MalformedURLException {
    // config via JMX
    String url = "service:jmx:rmi:///jndi/rmi://" + instance.host.get().inetAddress.get() + ":"
            + instance.process.get().jmxPort.get() + "/jmxrmi";
    JMXServiceURL serviceUrl = new JMXServiceURL(url);
    try (JMXConnector connector = JMXConnectorFactory.connect(serviceUrl, null);) {
        MBeanServerConnection conn = connector.getMBeanServerConnection();

        log.info(url);//w ww.  j  a  v a  2  s  .c  o  m
        while (conn.queryNames(ArenaConfigMBean.NAME.get(), null).isEmpty()) {
            log.info("No such MBean: " + ArenaConfigMBean.NAME.get());
            Thread.sleep(100);
        }

        String localHttpPort = ControllerPlugin.instance().httpPort();

        ArenaConfigMBean arenaConfig = JMX.newMBeanProxy(conn, ArenaConfigMBean.NAME.get(),
                ArenaConfigMBean.class);
        checked(() -> arenaConfig.setAppTitle(instance.project.get()));
        checked(() -> arenaConfig.setServiceAuthToken(project().serviceAuthToken.get())); // send before URLs!!!
        checked(() -> arenaConfig.setCatalogServerUrl("http://localhost:" + localHttpPort + "/csw"));
        checked(() -> arenaConfig.setProxyUrl(ProxyServlet.projectUrlBase(project())));
        checked(() -> arenaConfig.setProjectCatalogId(project().catalogId.get()));

        log.info("Instance process configured.");
    } catch (Throwable e) {
        log.warn("Error while configuring instance.", e);
    }
}

---

From source file:org.hyperic.hq.product.jmx.MBeanDumper.java

public void dump(Properties config) throws Exception {
    MBeanServerConnection mServer = getMBeanServer(config);
    dump(mServer.queryNames(getQuery(), null));
}

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From source file:com.boundary.plugin.sdk.jmx.MBeansTransformer.java

private void traverseMBeans() {
    MBeanServerConnection connection = this.client.getMBeanServerConnection();
    try {/*from www. j  a va  2  s  . c  o m*/
        Set<ObjectName> mbeans = connection.queryNames(null, null);
        List<ObjectName> mbeanList = new ArrayList<ObjectName>(mbeans);
        Collections.sort(mbeanList);
        for (ObjectName obj : mbeans) {
            transform.beginMBean(obj);
            traverseAttributes(obj);
            transform.endMBean();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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