); }  private synchronized void enableControlMessageStatus(String workflowName) {     if (workflowName != null) {         controlMessageStateMap.put(workflowName, true);         log.info("Thread processing the "+workflowName+" is added to the status map");     } }  private synchronized void disableControlMessageStatus(String workflowName) {     if (workflowName != null) {         controlMessageStateMap.remove(workflowName);         log.info("Thread processing the "+workflowName+" is released from the status map");     } }  