code: public void destroy() {
  		Command command = this.currentCommand.get();
  		if (command != null) {
  			command.setExceptionMessage("Connection has been closed");
  			command.countDown();
  		}
  		while ((command = this.commandAlreadySent.poll()) != null) {
  			command.setExceptionMessage("Connection has been closed");
  			command.countDown();
  		}
  
  	}
docs: /*
  (non-Javadoc)
  
  @see com.google.code.hs4j.network.hs.HandlerSocket#destroy()