code: protected void validate(String operationType) throws Exception
  	{
  		super.validate(operationType);
  
  		MPSInt cmd_index_validator = new MPSInt();
  		cmd_index_validator.validate(operationType, cmd_index, "\"cmd_index\"");
  		
  		MPSString command_validator = new MPSString();
  		command_validator.validate(operationType, command, "\"command\"");
  		
  	}
docs: <pre>
  Performs generic data validation for the operation to be performed
  </pre>