com.hivemq.spi.callback.events

Interface OnSubscribeCallback

All Superinterfaces:

Callback, SynchronousCallback

public interface OnSubscribeCallback
extends SynchronousCallback

Gets called when a SUBSCRIBE message arrives

When a subscription was invalid it's possible to throw a InvalidSubscriptionException.

Please note that the recommended way to handle Topic Permissions is to use the OnAuthorizationCallback.

Since:

1.4

Author:

Dominik Obermaier

Method Summary

Methods

Modifier and Type	Method and Description
void	onSubscribe(SUBSCRIBE message, ClientData clientData) Called when a SUBSCRIBE message arrives.

Methods inherited from interface com.hivemq.spi.callback.SynchronousCallback

priority

Method Detail

onSubscribe

void onSubscribe(SUBSCRIBE message,
               ClientData clientData)
                 throws InvalidSubscriptionException

Called when a SUBSCRIBE message arrives.

Parameters:

message - the SUBSCRIBE message

clientData - the information about the client

Throws:

InvalidSubscriptionException - when a subscription was invalid