code: protected void validate(String operationType) throws Exception
  	{
  		super.validate(operationType);
  
  		MPSInt polling_interval_validator = new MPSInt();
  		polling_interval_validator.setConstraintMinValue(MPSConstants.GENERIC_CONSTRAINT, 1);
  		polling_interval_validator.setConstraintMaxValue(MPSConstants.GENERIC_CONSTRAINT, 1000);
  		polling_interval_validator.validate(operationType, polling_interval, "\"polling_interval\"");
  		
  		MPSString interval_unit_validator = new MPSString();
  		interval_unit_validator.validate(operationType, interval_unit, "\"interval_unit\"");
  		
  	}
docs: <pre>
  Performs generic data validation for the operation to be performed
  </pre>