code: public MessageManager getMessageManager(App application, boolean bCreateIfNotFound)
      {
      	if (application == null)
      		application = this.getDefaultApplication();
          if (this.getMessageApplication(bCreateIfNotFound, application.getProperties()) != null)
              return this.getMessageApplication(bCreateIfNotFound, application.getProperties()).getThickMessageManager();
          return null;
      }
docs: Get this Message Queue (or create one if this name doesn't exist).
  @param application The parent application
  @param bCreateIfNotFound Create the manager if not found?
  @return The message manager.