@ManagedOperation(description = "Disconnects the channel if connected")
public synchronized void disconnect() {
switch (state) {
case OPEN:
case CLOSED:
return;
case CONNECTING:
case CONNECTED:
if (cluster_name != null) {
// Send down a DISCONNECT event, which travels down to the GMS, where a response is
// returned
try {
down(new Event(Event.DISCONNECT, local_addr)); // DISCONNECT is handled by each layer
} catch (Throwable t) {
log.error(Util.getMessage("DisconnectFailure"), local_addr, t);
}
}
state = State.OPEN;
stopStack(true, false);
notifyChannelDisconnected(this);
init(); // sets local_addr=null; changed March 18 2003 (bela) -- prevented successful
// rejoining
break;
default:
throw new IllegalStateException("state " + state + " unknown");
}
}
protected void _connect(Event connect_event) throws Exception {
try {
down(connect_event);
} catch (Throwable t) {
stopStack(true, false);
state = State.OPEN;
init();
throw new Exception("connecting to channel \"" + connect_event.getArg() + "\" failed", t);
}
}
/**
* Disconnects and closes the channel. This method does the following things
*
* <ol>
* <li>Calls {@code this.disconnect} if the disconnect parameter is true
* <li>Calls {@code ProtocolStack.stop} on the protocol stack
* <li>Calls {@code ProtocolStack.destroy} on the protocol stack
* <li>Sets the channel closed and channel connected flags to true and false
* <li>Notifies any channel listener of the channel close operation
* </ol>
*/
protected void _close(boolean disconnect) {
Address old_addr = local_addr;
if (state == State.CLOSED) return;
if (disconnect) disconnect(); // leave group if connected
stopStack(true, true);
state = State.CLOSED;
notifyChannelClosed(this);
init(); // sets local_addr=null; changed March 18 2003 (bela) -- prevented successful rejoining
if (old_addr != null) UUID.remove(old_addr);
}