adds the message id to be reused this method is invoked when an ack is received for a given message , so that its id could be reused note : this should be called after calling call necessary operations related to ack handling , so that there will not be any state inconsistencies concode_field_sep Log log concode_elem_sep Set<Integer> messageIds concode_elem_sep String channelId concode_elem_sep Map<String,MQTTSubscription> subscriptions concode_elem_sep Map<Integer,MQTTSubscription> onFlightMessages concode_field_sep int addOnFlightMessage concode_elem_sep MQTTSubscription removeSubscriber concode_elem_sep Integer getNextMessageID concode_elem_sep MQTTSubscription removeOnFlightMessage concode_elem_sep void addSubscriber concode_elem_sep void addSubscriber concode_elem_sep String getChannelId concode_elem_sep MQTTSubscription getSubscription concode_elem_sep MQTTSubscription getSubscription concode_elem_sep Set<Integer> getUnackedMessages concode_elem_sep Collection<MQTTSubscription> getAllSubscriptionsForChannel
void function ( int arg0 ) { messageIds . add ( arg0 ) ; }