/**
* create the singelton EventService object if it doesn't exist already. Check if directory server
* supports the Persistent Search Control and the Proxy Auth Control
*
* @supported.api
*/
public static synchronized EventService getEventService() throws EventException, LDAPException {
if (_shutdownCalled) {
return null;
}
// Make sure only one instance of this class is created.
if (_instance == null) {
// Determine the Idle time out value for Event Service (LB/Firewall)
// scenarios. Value == 0 imples no idle timeout.
_idleTimeOut = getPropertyIntValue(EVENT_IDLE_TIMEOUT_INTERVAL, _idleTimeOut);
_idleTimeOutMills = _idleTimeOut * 60000;
ShutdownManager shutdownMan = ShutdownManager.getInstance();
if (shutdownMan.acquireValidLock()) {
try {
if (_idleTimeOut == 0) {
_instance = new EventService();
} else {
_instance = new EventServicePolling();
}
shutdownMan.addShutdownListener(
new ShutdownListener() {
public void shutdown() {
if (_instance != null) {
_instance.finalize();
}
}
});
} finally {
shutdownMan.releaseLockAndNotify();
}
}
}
return _instance;
}
public void destroy() {
ShutdownManager shutdownMan = ShutdownManager.getInstance();
if (shutdownMan.acquireValidLock()) {
try {
shutdownMan.shutdown();
} finally {
shutdownMan.releaseLockAndNotify();
}
}
}