public Construct exec(Target t, Environment environment, Construct... args)
throws ConfigRuntimeException {
String name = args[0].val();
String channel = args[1].val();
NodePoint node;
try {
node = Tracking.getSub(name);
} catch (com.entityreborn.communication.Exceptions.InvalidNameException ex) {
throw new ConfigRuntimeException(
"Invalid name " + name + " given to comm_unsubscribe!",
Exceptions.ExceptionType.FormatException,
t);
}
if (node == null) {
throw new ConfigRuntimeException(
"Unknown SUB " + name + " given to comm_unsubscribe!",
Exceptions.ExceptionType.NotFoundException,
t);
}
try {
((Subscriber) node).unsubscribe(channel);
} catch (InvalidChannelException ex) {
throw new ConfigRuntimeException(
"Invalid channel " + channel + " given to comm_subscribe!",
Exceptions.ExceptionType.FormatException,
t);
} catch (ZMQException e) {
throw new ConfigRuntimeException(
"Exception while unsubscribing: " + e.getMessage(),
Exceptions.ExceptionType.IOException,
t);
}
return CNull.NULL;
}
