@Override
public void addNotificationListener(
ObjectName name, ObjectName listener, NotificationFilter filter, Object handback)
throws InstanceNotFoundException, IOException {
try {
connection.addNotificationListener(name, listener, filter, handback);
} catch (IOException e) {
if (!checkConnection()) {
connection.addNotificationListener(name, listener, filter, handback);
} else {
throw e;
}
}
}
private static void test() {
try {
JMXServiceURL u = new JMXServiceURL("rmi", null, 0);
JMXConnectorServer server;
JMXServiceURL addr;
JMXConnector client;
MBeanServerConnection mserver;
final ObjectName delegateName = new ObjectName("JMImplementation:type=MBeanServerDelegate");
final NotificationListener dummyListener =
new NotificationListener() {
public void handleNotification(Notification n, Object o) {
// do nothing
return;
}
};
server = JMXConnectorServerFactory.newJMXConnectorServer(u, null, mbs);
server.start();
addr = server.getAddress();
client = JMXConnectorFactory.newJMXConnector(addr, null);
client.connect(null);
mserver = client.getMBeanServerConnection();
String s1 = "1";
String s2 = "2";
String s3 = "3";
mserver.addNotificationListener(delegateName, dummyListener, null, s1);
mserver.addNotificationListener(delegateName, dummyListener, null, s2);
mserver.addNotificationListener(delegateName, dummyListener, null, s3);
mserver.removeNotificationListener(delegateName, dummyListener, null, s3);
mserver.removeNotificationListener(delegateName, dummyListener, null, s2);
mserver.removeNotificationListener(delegateName, dummyListener, null, s1);
client.close();
server.stop();
} catch (Exception e) {
System.out.println(e);
e.printStackTrace();
System.exit(1);
}
}
/**
* register to get JMX notifications
*
* @param pathName path of the resource or collection which the notification is about
* @throws Exception
*/
public void registerNotificationListener(String pathName) throws Exception {
path = pathName;
try {
mbsc.addNotificationListener(nodeAgent, this, null, null);
log.info("Registered for event notifications");
} catch (Exception e) {
log.error("NotificationListener registration fail");
throw new Exception("NotificationListener registration fail" + e.getMessage());
}
}
public void init() throws Exception {
super.init();
url = getParameter(URL);
if (url == null) {
protocol = getParameter(PROTOCOL);
host = getParameter(HOST);
port = Integer.parseInt(getParameter(PORT));
transportPort = Integer.parseInt(getParameter(TRANSPORT_PORT));
url = "service:jmx:" + protocol + "://" + host;
if (transportPort != DEFAULT_TRANSPORT_PORT) url += ":" + transportPort;
url += "/jndi/" + protocol + "://" + host;
if (port != DEFAULT_PORT) url += ":" + port;
url += "/penrose";
// url =
// "service:jmx:rmi://localhost:rmiTransportProtocol/jndi/rmi://localhost:rmiProtocol/penrose";
}
bindDn = getParameter(BIND_DN);
log.debug("Bind DN: " + bindDn);
bindPassword = getParameter(BIND_PASSWORD);
log.debug("Password: "******"java.lang:type=Memory");
Hashtable<String, Object> parameters = new Hashtable<String, Object>();
if (bindDn != null && bindPassword != null) {
log.debug("Binding as " + bindDn + ".");
String[] credentials = new String[] {bindDn, bindPassword};
parameters.put(JMXConnector.CREDENTIALS, credentials);
}
JMXServiceURL serviceURL = new JMXServiceURL(url);
JMXConnector connector = JMXConnectorFactory.connect(serviceURL, parameters);
connection = connector.getMBeanServerConnection();
connection.addNotificationListener(memoryMBean, this, null, null);
}
private void registerNotificationListener() {
log.debug("Reseting and registering at all WorkerProgressMBeans as listener");
ObjectName workerProgressObjectName = null;
ObjectName crossbowNotificationObjectName = null;
try {
crossbowNotificationObjectName = ObjectName.getInstance("Crossbow:type=CrossbowNotification");
workerProgressObjectName = ObjectName.getInstance("Crossbow:type=WorkerProgress");
} catch (Exception e) {
log.error("Exception while creating workerProgress ObjectName", e);
e.printStackTrace();
}
MBeanServer server = JimsMBeanServer.findJimsMBeanServer();
try {
for (String url : delegate.scGetAllMBeanServers()) {
try {
MBeanServerConnection mbsc =
JMXConnectorFactory.connect(new JMXServiceURL(url)).getMBeanServerConnection();
CrossbowNotificationMBean crossbowNotification =
JMX.newMBeanProxy(
mbsc, crossbowNotificationObjectName, CrossbowNotificationMBean.class);
crossbowNotification.reset();
try {
mbsc.removeNotificationListener(
workerProgressObjectName, crossbowNotificationObjectName);
} catch (Exception e) {
log.error(
"Exception while removing notification listener from MBean server (url: "
+ url
+ ")",
e);
}
mbsc.addNotificationListener(
workerProgressObjectName, crossbowNotificationObjectName, null, null);
log.info(
"CrosbowNotification successfully registered lestener at WorkerProgressMBean (url: "
+ url
+ ")");
} catch (Exception ex) {
log.error("Error while querying MBean server (url: " + url + ")", ex);
}
}
progressNotification = new ProgressNotification(0, totalTasks, WorkerProgress.getIpAddress());
} catch (RemoteException ex) {
log.error("Error while getting MBean servers list.", ex);
}
}
