private void fireEventByType(final EntityEvent event, final String type) {
        final Map<EntityAction, List<Handler>> map = getHandlers().get(type);
        if (map != null) {
            // Fire to global action handlers.
            fireEventByAction(map, event, null);

            // Fire to specific action handlers.
            fireEventByAction(map, event, event.getAction());
        }
    }
Check to see if we can find a handler for this event. If there isn't one
then there is no point in firing the event.
stroom-core/src/main/java/stroom/core/entity/event/EntityEventHandler.java