get messagecenter singleton instance concode_field_sep ConcurrentHashMap<String,DelayQueue<Message>> messageMap concode_elem_sep ConcurrentHashMap<Integer,SimpleTimerTask> repeatedTaskMap concode_elem_sep MessageCenter instance concode_field_sep void sendDelayMessage concode_elem_sep void sendDelayMessage concode_elem_sep void sendDelayMessage concode_elem_sep int size concode_elem_sep DelayQueue<Message> getMessageQueue concode_elem_sep void sendMessage concode_elem_sep void sendMessage concode_elem_sep void sendMessage concode_elem_sep void broadcastMessage concode_elem_sep void addMessageQueue concode_elem_sep void removeMessageQueue concode_elem_sep void sendRepeatedMessage concode_elem_sep void sendRepeatedMessage concode_elem_sep void sendRepeatedMessage concode_elem_sep void sendMessageAtFixedTime concode_elem_sep void sendMessageAtFixedTime concode_elem_sep void sendMessageAtFixedTime concode_elem_sep void removeMessage concode_elem_sep void removeMessage concode_elem_sep void removeMessage
MessageCenter function ( ) { return instance ; }