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