public override bool Validate(RuleValidation validation)
{
if (validation == null)
{
throw new ArgumentNullException("validation");
}
bool valid = true;
if (_expression == null)
{
valid = false;
string message = string.Format(CultureInfo.CurrentCulture, Messages.ConditionExpressionNull, typeof(CodePrimitiveExpression).ToString());
ValidationError error = new ValidationError(message, ErrorNumbers.Error_EmptyExpression);
error.UserData[RuleUserDataKeys.ErrorObject] = this;
validation.AddError(error);
}
else
{
valid = validation.ValidateConditionExpression(_expression);
}
return(valid);
}