Registering events handlers

To catch and handle an event published in any node of cluster, EventsHandler must be registered first.

EventHandler handler = new EventHandler() {
    @Override
    public void onEvent(String name, String xmlns, Element event) {
        // TODO
    }
};

eventBus.addHandler("EventName", "tigase:demo", handler);

It is possible to register handler for all events with a specific xmlns such as tigase:demo below:

eventBus.addHandler(null, "tigase:demo", handler);

Events created on others cluster node, will have attribute remote set to true and attribute source set to event creator node name:

<EventName xmlns="tigase:demo" remote="true" source="node1.example">
  <sample_value>1</sample_value>
</EventName>