code: public Object execute(String correlationId, Parameters args) throws ApplicationException {
  		return _interceptor.execute(correlationId, _next, args);
  	}
docs: Executes the next command in the execution chain using the given Parameters
  parameters (arguments).
  
  @param correlationId unique transaction id to trace calls across components.
  @param args          the parameters (arguments) to pass to the command for
  execution.
  @return execution result.
  @throws ApplicationException when execution fails for whatever reason.
  
  @see Parameters