Examples of javax.management.MBeanServer.queryNames()

javax.management.MBeanServer.queryNames()
Retrieve a set of Object names @param name an ObjectName pattern, can be null for all mbeans @param query a query expression to further filter the mbeans, can be nullfor no query

        List resources = new ArrayList();


        MBeanServer server = getMBeanServer();
        if (server != null) {
            try {
                Set dsNames = server.queryNames(new ObjectName("jboss.jca:service=ManagedConnectionPool,*"), null);
                for (Iterator it = dsNames.iterator(); it.hasNext();) {
                    ObjectName managedConnectionPoolOName = (ObjectName) it.next();


                    ApplicationResource resource = new ApplicationResource();
                    resource.setName(managedConnectionPoolOName.getKeyProperty("name"));

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        List resources = new ArrayList();


        MBeanServer server = getMBeanServer();
        if (server != null) {
            try {
                Set dsNames = server.queryNames(new ObjectName("Catalina:type=Resource,resourcetype=Global,*"), null);
                for (Iterator it = dsNames.iterator(); it.hasNext();) {
                    ObjectName objectName = (ObjectName) it.next();
                    ApplicationResource resource = new ApplicationResource();


                    logger.info("reading resource: " + objectName);

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        conn.close();


        conn = getConnection("jmx;jmx=true");


        name = new ObjectName("org.h2:name=JMX,*");
        Set set = mbeanServer.queryNames(name, null);
        name = (ObjectName) set.iterator().next();


        assertEquals("16384", mbeanServer.getAttribute(name, "CacheSizeMax").toString());
        mbeanServer.setAttribute(name, new Attribute("CacheSizeMax", 1));
        assertEquals("1", mbeanServer.getAttribute(name, "CacheSizeMax").toString());

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      if( server != null )
      {
         ObjectName filterName = null;
         if( filter != null )
            filterName = new ObjectName(filter);
         Set objectNames = server.queryNames(filterName, null);
         Iterator objectNamesIter = objectNames.iterator();
         while( objectNamesIter.hasNext() )
         {
            ObjectName name = (ObjectName) objectNamesIter.next();
            MBeanInfo info = server.getMBeanInfo(name);

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           contexts = objNames.substring(i);
         }


         String onStr = "*:j2eeType=WebModule,*,J2EEApplication=none,J2EEServer=none";
         ObjectName objectName = new ObjectName(onStr);
         Set mbeans = server.queryNames(objectName, null);
         if (mbeans != null && mbeans.size () > 0 && contexts != null)
         {
            for (Iterator iter = mbeans.iterator(); iter.hasNext();)
            {
               ObjectName inst = (ObjectName) iter.next();

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        assertNull(category, "MBean instance category is null");
        assertNull(id, "MBean instance name is null");
        try {
            MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
            ObjectName name = new ObjectName(getObjectName(category, id));
            Set set = mbs.queryNames(name, null);
            if (set != null && set.isEmpty()) {
                mbs.registerMBean(mBeanInstance, name);
            } else {
                mbs.unregisterMBean(name);
                mbs.registerMBean(mBeanInstance, name);

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        assertNull(category, "Mbean instance category is null");
        assertNull(id, "Mbean instance name is null");
        try {
            MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
            ObjectName name = new ObjectName(getObjectName(category, id));
            Set set = mbs.queryNames(name, null);
            if (set != null && set.isEmpty()) {
                mbs.registerMBean(mbeanInstance, name);
            } else {
                mbs.unregisterMBean(name);
                mbs.registerMBean(mbeanInstance, name);

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     */
    @Test
    public void testMBeanDeregistration() throws Exception {
        final MBeanServer mbeanServer = Registry.getRegistry(null, null).getMBeanServer();
        // Verify there are no Catalina or Tomcat MBeans
        Set<ObjectName> onames = mbeanServer.queryNames(new ObjectName("Catalina:*"), null);
        log.info(MBeanDumper.dumpBeans(mbeanServer, onames));
        assertEquals("Unexpected: " + onames, 0, onames.size());
        onames = mbeanServer.queryNames(new ObjectName("Tomcat:*"), null);
        log.info(MBeanDumper.dumpBeans(mbeanServer, onames));
        assertEquals("Unexpected: " + onames, 0, onames.size());

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        final MBeanServer mbeanServer = Registry.getRegistry(null, null).getMBeanServer();
        // Verify there are no Catalina or Tomcat MBeans
        Set<ObjectName> onames = mbeanServer.queryNames(new ObjectName("Catalina:*"), null);
        log.info(MBeanDumper.dumpBeans(mbeanServer, onames));
        assertEquals("Unexpected: " + onames, 0, onames.size());
        onames = mbeanServer.queryNames(new ObjectName("Tomcat:*"), null);
        log.info(MBeanDumper.dumpBeans(mbeanServer, onames));
        assertEquals("Unexpected: " + onames, 0, onames.size());


        final Tomcat tomcat = getTomcatInstance();
        final File contextDir = new File(getTemporaryDirectory(), "webappFoo");

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        tomcat.start();


        getUrl("http://localhost:" + getPort());


        // Verify there are no Catalina MBeans
        onames = mbeanServer.queryNames(new ObjectName("Catalina:*"), null);
        log.info(MBeanDumper.dumpBeans(mbeanServer, onames));
        assertEquals("Found: " + onames, 0, onames.size());


        // Verify there are the correct Tomcat MBeans
        onames = mbeanServer.queryNames(new ObjectName("Tomcat:*"), null);

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