Example usage for javax.management MBeanServerConnection getDomains

List of usage examples for javax.management MBeanServerConnection getDomains

Introduction

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

Prototype

public String[] getDomains() throws IOException;

Source Link

Document

Returns the list of domains in which any MBean is currently registered.

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  .j a  v  a 2 s. co 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.heliosapm.streams.collector.ds.pool.impls.JMXClientPoolBuilder.java

/**
 * {@inheritDoc}/*from w w  w  .ja  va  2 s .  c om*/
 * @see com.heliosapm.streams.collector.ds.pool.PooledObjectFactoryBuilder#validateObject(org.apache.commons.pool2.PooledObject)
 */
@Override
public boolean validateObject(final PooledObject<MBeanServerConnection> p) {
    final MBeanServerConnection wcon = p.getObject();
    if (wcon == null)
        return false;
    try {
        final String[] domains = wcon.getDomains();
        return domains != null && domains.length > 0;
    } catch (Exception x) {
        return false;
    }
}

From source file:org.apache.hadoop.test.system.AbstractDaemonClient.java

/**
 * Method implements all logic for receiving a bean's attribute.
 * If any initializations such as establishing bean server connections, etc.
 * are need it will do it.//from   www . j a  v  a2 s .co m
 * @param serviceName name of the service where MBean is registered (NameNode)
 * @param type name of the MXBean class
 * @param attributeName name of the attribute to be retrieved
 * @return Object value of the attribute or <code>null</code> if not found
 * @throws IOException is thrown in case of any errors
 */
protected Object getJmxAttribute(String serviceName, String type, String attributeName) throws IOException {
    Object retAttribute = null;
    String domain = null;
    if (isJmxEnabled()) {
        try {
            MBeanServerConnection conn = establishJmxConnection(getHostName(), getJmxPortNumber());
            for (String d : conn.getDomains()) {
                if (d != null && d.startsWith(HADOOP_JMX_DOMAIN))
                    domain = d;
            }
            if (!jmxObjectNames.containsKey(type))
                jmxObjectNames.put(type, getJmxBeanName(domain, serviceName, type));
            retAttribute = conn.getAttribute(jmxObjectNames.get(type), attributeName);
        } catch (MBeanException e) {
            LOG.debug(e.getStackTrace());
            throw new IOException(e);
        } catch (AttributeNotFoundException e) {
            LOG.warn(e.getStackTrace());
            throw new IOException(e);
        } catch (InstanceNotFoundException e) {
            LOG.warn(e.getStackTrace());
            throw new IOException(e);
        } catch (ReflectionException e) {
            LOG.debug(e.getStackTrace());
            throw new IOException(e);
        }
    }
    return retAttribute;
}

From source file:org.opennms.features.jmxconfiggenerator.jmxconfig.JmxDatacollectionConfiggenerator.java

public JmxDatacollectionConfig generateJmxConfigModel(MBeanServerConnection mBeanServerConnection,
        String serviceName, Boolean runStandardVmBeans, Boolean runWritableMBeans,
        Map<String, String> dictionary) {

    logger.debug("Startup values: \n serviceName: " + serviceName + "\n runStandardVmBeans: "
            + runStandardVmBeans + "\n runWritableMBeans: " + runWritableMBeans + "\n dictionary" + dictionary);
    nameCutter.setDictionary(dictionary);
    JmxDatacollectionConfig xmlJmxDatacollectionConfig = xmlObjectFactory.createJmxDatacollectionConfig();
    JmxCollection xmlJmxCollection = xmlObjectFactory.createJmxCollection();

    xmlJmxCollection.setName("JSR160-" + serviceName);
    xmlJmxCollection.setRrd(rrd);/*from  w  w w.  j  av  a2 s.  c om*/
    xmlJmxDatacollectionConfig.getJmxCollection().add(xmlJmxCollection);
    xmlJmxCollection.setMbeans(xmlObjectFactory.createMbeans());

    if (runStandardVmBeans) {
        ignores.clear();
    } else {
        ignores.addAll(standardVmBeans);
    }

    try {
        String[] domains = mBeanServerConnection.getDomains();
        logger.info("Found " + domains.length + " domains");
        logger.info("domains: " + Arrays.toString(domains));
        for (String domainName : domains) {

            // just domains that are relevant for the service
            if (!ignores.contains(domainName)) {
                logger.info("domain: " + domainName);

                // for all mBeans of the actual domain
                for (ObjectInstance jmxObjectInstance : mBeanServerConnection
                        .queryMBeans(new ObjectName(domainName + ":*"), null)) {
                    Mbean xmlMbean = xmlObjectFactory.createMbean();
                    xmlMbean.setObjectname(jmxObjectInstance.getObjectName().toString());
                    String typeAndOthers = StringUtils
                            .substringAfterLast(jmxObjectInstance.getObjectName().getCanonicalName(), "=");
                    xmlMbean.setName(domainName + "." + typeAndOthers);

                    logger.debug("\t" + jmxObjectInstance.getObjectName());

                    MBeanInfo jmxMbeanInfo;
                    try {
                        jmxMbeanInfo = mBeanServerConnection.getMBeanInfo(jmxObjectInstance.getObjectName());
                    } catch (InstanceNotFoundException e) {
                        logger.error("InstanceNotFoundException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (IntrospectionException e) {
                        logger.error("IntrospectionException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (ReflectionException e) {
                        logger.error("ReflectionException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (Throwable e) {
                        logger.error(
                                "problem during remote call to get MBeanInfo for '{}' skipping this MBean. Message '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    }

                    logger.debug("--- Attributes for " + jmxObjectInstance.getObjectName());

                    for (MBeanAttributeInfo jmxBeanAttributeInfo : jmxMbeanInfo.getAttributes()) {

                        // process just readable mbeans
                        if (jmxBeanAttributeInfo.isReadable()) {
                            // precess writable mbeans if run writable
                            // mbeans is set
                            if (!jmxBeanAttributeInfo.isWritable() || runWritableMBeans) {

                                logger.debug("Check mBean: '{}', attribute: '{}'",
                                        jmxObjectInstance.getObjectName().toString(),
                                        jmxBeanAttributeInfo.getName());
                                logger.debug("isWritable: '{}', type: '{}'", jmxBeanAttributeInfo.isWritable(),
                                        jmxBeanAttributeInfo.getType());

                                // check for CompositeData
                                if ("javax.management.openmbean.CompositeData"
                                        .equals(jmxBeanAttributeInfo.getType())) {
                                    logger.error("actual mBean: '{}'", jmxObjectInstance.getObjectName());
                                    CompAttrib compAttrib = createCompAttrib(mBeanServerConnection,
                                            jmxObjectInstance, jmxBeanAttributeInfo);
                                    if (compAttrib != null) {
                                        logger.debug("xmlMbean got CompAttrib");
                                        xmlMbean.getCompAttrib().add(compAttrib);
                                    }
                                }

                                if (numbers.contains(jmxBeanAttributeInfo.getType())) {
                                    Attrib xmlJmxAttribute = createAttr(jmxBeanAttributeInfo);
                                    logger.debug("Added MBean: '{}' Added attribute: '{}'",
                                            xmlMbean.getObjectname(),
                                            xmlJmxAttribute.getName() + " as " + xmlJmxAttribute.getAlias());
                                    xmlMbean.getAttrib().add(xmlJmxAttribute);
                                }
                            }
                        }
                    }

                    if (xmlMbean.getAttrib().size() > 0 || xmlMbean.getCompAttrib().size() > 0) {
                        xmlJmxCollection.getMbeans().getMbean().add(xmlMbean);
                    } else {
                        logger.debug("mbean: " + xmlMbean.getName() + " has no relavant attributes.");
                    }
                }
            } else {
                logger.debug("ignored: " + domainName);
            }
        }

    } catch (MalformedObjectNameException e) {
        logger.error("MalformedObjectNameException '{}'", e.getMessage());
    } catch (IOException e) {
        logger.error("IOException '{}'", e.getMessage());
    }
    logger.debug("finish collection!");
    return xmlJmxDatacollectionConfig;
}

From source file:org.opennms.jmxconfiggenerator.jmxconfig.JmxDatacollectionConfiggenerator.java

public JmxDatacollectionConfig generateJmxConfigModel(MBeanServerConnection mBeanServerConnection,
        String serviceName, Boolean runStandardVmBeans, Boolean runWritableMBeans,
        Map<String, String> dictionary) {

    logger.debug("Startup values: \n serviceName: " + serviceName + "\n runStandardVmBeans: "
            + runStandardVmBeans + "\n runWritableMBeans: " + runWritableMBeans + "\n dictionary" + dictionary);
    nameCutter.setDictionary(dictionary);
    JmxDatacollectionConfig xmlJmxDatacollectionConfig = xmlObjectFactory.createJmxDatacollectionConfig();
    JmxCollection xmlJmxCollection = xmlObjectFactory.createJmxCollection();

    xmlJmxCollection.setName("JSR160-" + serviceName);
    xmlJmxCollection.setRrd(rrd);//w  ww. j a  va2 s  .  com
    xmlJmxDatacollectionConfig.getJmxCollection().add(xmlJmxCollection);
    xmlJmxCollection.setMbeans(xmlObjectFactory.createMbeans());

    if (runStandardVmBeans) {
        ignores.clear();
    } else {
        ignores.addAll(standardVmBeans);
    }

    try {
        for (String domainName : mBeanServerConnection.getDomains()) {

            // just domains that are relevant for the service
            if (!ignores.contains(domainName)) {
                logger.debug("domain: " + domainName);

                // for all mBeans of the actual domain
                for (ObjectInstance jmxObjectInstance : mBeanServerConnection
                        .queryMBeans(new ObjectName(domainName + ":*"), null)) {
                    Mbean xmlMbean = xmlObjectFactory.createMbean();
                    xmlMbean.setObjectname(jmxObjectInstance.getObjectName().toString());
                    String typeAndOthers = StringUtils
                            .substringAfterLast(jmxObjectInstance.getObjectName().getCanonicalName(), "=");
                    xmlMbean.setName(domainName + "." + typeAndOthers);

                    logger.debug("\t" + jmxObjectInstance.getObjectName());

                    MBeanInfo jmxMbeanInfo;
                    try {
                        jmxMbeanInfo = mBeanServerConnection.getMBeanInfo(jmxObjectInstance.getObjectName());
                    } catch (InstanceNotFoundException e) {
                        logger.error("InstanceNotFoundException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (IntrospectionException e) {
                        logger.error("IntrospectionException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (ReflectionException e) {
                        logger.error("ReflectionException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (Throwable e) {
                        logger.error(
                                "problem during remote call to get MBeanInfo for '{}' skipping this MBean. Message '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    }

                    logger.debug("--- Attributes for " + jmxObjectInstance.getObjectName());

                    for (MBeanAttributeInfo jmxBeanAttributeInfo : jmxMbeanInfo.getAttributes()) {

                        // process just readable mbeans
                        if (jmxBeanAttributeInfo.isReadable()) {
                            // precess writable mbeans if run writable mbeans is set
                            if (!jmxBeanAttributeInfo.isWritable() || runWritableMBeans) {

                                logger.debug("Check mBean: '{}', attribute: '{}'",
                                        jmxObjectInstance.getObjectName().toString(),
                                        jmxBeanAttributeInfo.getName());
                                logger.debug("isWritable: '{}', type: '{}'", jmxBeanAttributeInfo.isWritable(),
                                        jmxBeanAttributeInfo.getType());

                                // check for CompositeData
                                if ("javax.management.openmbean.CompositeData"
                                        .equals(jmxBeanAttributeInfo.getType())) {
                                    logger.error("actual mBean: '{}'", jmxObjectInstance.getObjectName());
                                    CompAttrib compAttrib = createCompAttrib(mBeanServerConnection,
                                            jmxObjectInstance, jmxBeanAttributeInfo);
                                    if (compAttrib != null) {
                                        logger.debug("xmlMbean got CompAttrib");
                                        xmlMbean.getCompAttrib().add(compAttrib);
                                    }
                                }

                                if (numbers.contains(jmxBeanAttributeInfo.getType())) {
                                    Attrib xmlJmxAttribute = createAttr(jmxBeanAttributeInfo);
                                    logger.debug("Added MBean: '{}' Added attribute: '{}'",
                                            xmlMbean.getObjectname(),
                                            xmlJmxAttribute.getName() + " as " + xmlJmxAttribute.getAlias());
                                    xmlMbean.getAttrib().add(xmlJmxAttribute);
                                }
                            }
                        }
                    }

                    if (xmlMbean.getAttrib().size() > 0 || xmlMbean.getCompAttrib().size() > 0) {
                        xmlJmxCollection.getMbeans().getMbean().add(xmlMbean);
                    } else {
                        logger.debug("mbean: " + xmlMbean.getName() + " has no relavant attributes.");
                    }
                }
            } else {
                logger.debug("ignored: " + domainName);
            }
        }

    } catch (MalformedObjectNameException e) {
        logger.error("MalformedObjectNameException '{}'", e.getMessage());
    } catch (IOException e) {
        logger.error("IOException '{}'", e.getMessage());
    }

    return xmlJmxDatacollectionConfig;
}

From source file:org.opennms.tools.jmxconfiggenerator.jmxconfig.JmxDatacollectionConfiggenerator.java

public JmxDatacollectionConfig generateJmxConfigModel(MBeanServerConnection mBeanServerConnection,
        String serviceName, Boolean runStandardVmBeans, Boolean runWritableMBeans) {

    logger.debug("Startup values: \n serviceName: " + serviceName + "\n runStandardVmBeans: "
            + runStandardVmBeans + "\n runWritableMBeans: " + runWritableMBeans);
    JmxDatacollectionConfig xmlJmxDatacollectionConfig = xmlObjectFactory.createJmxDatacollectionConfig();
    JmxCollection xmlJmxCollection = xmlObjectFactory.createJmxCollection();

    xmlJmxCollection.setName("JSR160-" + serviceName);
    xmlJmxCollection.setRrd(rrd);//from w w w .j a  v a2  s .  c  o  m
    xmlJmxDatacollectionConfig.getJmxCollection().add(xmlJmxCollection);
    xmlJmxCollection.setMbeans(xmlObjectFactory.createMbeans());

    if (runStandardVmBeans) {
        ignores.clear();
    } else {
        ignores.addAll(standardVmBeans);
    }

    try {
        for (String domainName : mBeanServerConnection.getDomains()) {

            // just domains that are relevant for the service
            if (!ignores.contains(domainName)) {
                logger.debug("domain: " + domainName);

                // for all mBeans of the actual domain
                for (ObjectInstance jmxObjectInstance : mBeanServerConnection
                        .queryMBeans(new ObjectName(domainName + ":*"), null)) {
                    Mbean xmlMbean = xmlObjectFactory.createMbean();
                    xmlMbean.setObjectname(jmxObjectInstance.getObjectName().toString());
                    String typeAndOthers = StringUtils
                            .substringAfterLast(jmxObjectInstance.getObjectName().getCanonicalName(), "=");
                    xmlMbean.setName(domainName + "." + typeAndOthers);

                    logger.debug("\t" + jmxObjectInstance.getObjectName());

                    MBeanInfo jmxMbeanInfo;
                    try {
                        jmxMbeanInfo = mBeanServerConnection.getMBeanInfo(jmxObjectInstance.getObjectName());
                    } catch (InstanceNotFoundException e) {
                        logger.error("InstanceNotFoundException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (IntrospectionException e) {
                        logger.error("IntrospectionException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (ReflectionException e) {
                        logger.error("ReflectionException skipping MBean '{}' message: '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    } catch (Throwable e) {
                        logger.error(
                                "problem during remote call to get MBeanInfo for '{}' skipping this MBean. Message '{}'",
                                jmxObjectInstance.getObjectName(), e.getMessage());
                        continue;
                    }

                    logger.debug("--- Attributes for " + jmxObjectInstance.getObjectName());

                    for (MBeanAttributeInfo jmxBeanAttributeInfo : jmxMbeanInfo.getAttributes()) {

                        // process just readable mbeans
                        if (jmxBeanAttributeInfo.isReadable()) {
                            // precess writable mbeans if run writable mbeans is set
                            if (!jmxBeanAttributeInfo.isWritable() || runWritableMBeans) {

                                logger.debug("Check mBean: '{}', attribute: '{}'",
                                        jmxObjectInstance.getObjectName().toString(),
                                        jmxBeanAttributeInfo.getName());
                                logger.debug("isWritable: '{}', type: '{}'", jmxBeanAttributeInfo.isWritable(),
                                        jmxBeanAttributeInfo.getType());

                                // check for CompositeData
                                if ("javax.management.openmbean.CompositeData"
                                        .equals(jmxBeanAttributeInfo.getType())) {
                                    logger.error("actual mBean: '{}'", jmxObjectInstance.getObjectName());
                                    CompAttrib compAttrib = createCompAttrib(mBeanServerConnection,
                                            jmxObjectInstance, jmxBeanAttributeInfo);
                                    if (compAttrib != null) {
                                        logger.debug("xmlMbean got CompAttrib");
                                        xmlMbean.getCompAttrib().add(compAttrib);
                                    }
                                }

                                if (numbers.contains(jmxBeanAttributeInfo.getType())) {
                                    Attrib xmlJmxAttribute = createAttr(jmxBeanAttributeInfo);
                                    logger.debug("Added MBean: '{}' Added attribute: '{}'",
                                            xmlMbean.getObjectname(),
                                            xmlJmxAttribute.getName() + " as " + xmlJmxAttribute.getAlias());
                                    xmlMbean.getAttrib().add(xmlJmxAttribute);
                                }
                            }
                        }
                    }

                    if (xmlMbean.getAttrib().size() > 0 || xmlMbean.getCompAttrib().size() > 0) {
                        xmlJmxCollection.getMbeans().getMbean().add(xmlMbean);
                    } else {
                        logger.debug("mbean: " + xmlMbean.getName() + " has no relavant attributes.");
                    }
                }
            } else {
                logger.debug("ignored: " + domainName);
            }
        }

    } catch (MalformedObjectNameException e) {
        logger.error("MalformedObjectNameException '{}'", e.getMessage());
    } catch (IOException e) {
        logger.error("IOException '{}'", e.getMessage());
    }

    return xmlJmxDatacollectionConfig;
}