/** Starts the throttle manager. */
@Override
public void start() {
// Use the default ThrottleSettings if one is not set already.
if (settings == null) settings = new ThrottleSettings();
if (settings.isDestinationThrottleEnabled()) {
inboundDestinationMark = new MessageFrequency(settings.getIncomingDestinationFrequency());
outboundDestinationMark = new MessageFrequency(settings.getOutgoingDestinationFrequency());
}
if (settings.isInboundClientThrottleEnabled())
inboundClientMarks = new HashMap<String, MessageFrequency>();
}
/**
* Attempts to throttle destination-level incoming and outgoing messages.
*
* @param message Message to throttle.
* @param incoming Whether the message is incoming or outgoing.
* @return The result of the throttling attempt.
*/
public ThrottleResult throttleDestinationLevel(Message message, boolean incoming) {
if (incoming && settings.isInboundDestinationThrottleEnabled()) {
ThrottleResult result =
inboundDestinationMark.checkLimit(
settings.getIncomingDestinationFrequency(), settings.getInboundPolicy());
return result;
} else if (!incoming && settings.isOutboundDestinationThrottleEnabled()) {
ThrottleResult result =
outboundDestinationMark.checkLimit(
settings.getOutgoingDestinationFrequency(), settings.getOutboundPolicy());
return result;
}
// Return the default OK result.
return new ThrottleResult();
}