code: public boolean hasWarnings(){
  		if(this.messageHandlers.containsKey(E_MessageType.WARNING)){
  			return (this.messageHandlers.get(E_MessageType.WARNING).getCount()==0)?false:true;
  		}
  		return false;
  	}
docs: Returns true if the manager has warnings reported, false otherwise
  @return true if warnings have been reported, false otherwise