code: protected void validate(String operationType) throws Exception
  	{
  		super.validate(operationType);
  
  		MPSString file_name_validator = new MPSString();
  		file_name_validator.setConstraintIsReq(MPSConstants.DELETE_CONSTRAINT, true);
  		file_name_validator.setConstraintMaxStrLen(MPSConstants.GENERIC_CONSTRAINT, 256);
  		file_name_validator.setConstraintMinStrLen(MPSConstants.GENERIC_CONSTRAINT, 1);
  		file_name_validator.setConstraintIsReq(MPSConstants.MODIFY_CONSTRAINT, true);
  		file_name_validator.validate(operationType, file_name, "\"file_name\"");
  		
  		MPSString file_last_modified_validator = new MPSString();
  		file_last_modified_validator.setConstraintMaxStrLen(MPSConstants.GENERIC_CONSTRAINT, 128);
  		file_last_modified_validator.setConstraintMinStrLen(MPSConstants.GENERIC_CONSTRAINT, 1);
  		file_last_modified_validator.validate(operationType, file_last_modified, "\"file_last_modified\"");
  		
  		MPSString formation_name_validator = new MPSString();
  		formation_name_validator.validate(operationType, formation_name, "\"formation_name\"");
  		
  		MPSString formation_version_validator = new MPSString();
  		formation_version_validator.validate(operationType, formation_version, "\"formation_version\"");
  		
  	}
docs: <pre>
  Performs generic data validation for the operation to be performed
  </pre>