//public override RuleParameterSet GetEmptyParameterSet() {
// return new RuleParameterSet(new RuleParameter[] {
// new RuleStringParameter("LeftValueFieldName"),
// new RuleComparisonOperatorParameter("ComparisonOperator", RuleComparisonOperatorParameter.Operator.Equal),
// new RuleDecimalParameter("RightValueNumerical", 0),
// new RuleInvariantDateTimeParameter("RightValueDateTime", DateTime.Now),
// new RuleStringParameter("RightValueFieldName"),
// new RuleBoolParameter("RightValueUseDateTime", false),
// new RuleBoolParameter("RightValueUseFieldName", false)
// });
//}
public override bool IsCompatibleParameterSet(RuleParameterSet parameterSet)
{
RuleStringParameter leftValueFieldName = parameterSet["LeftValueFieldName"] as RuleStringParameter;
RuleComparisonOperatorParameter comparisonOperator = parameterSet["ComparisonOperator"] as RuleComparisonOperatorParameter;
if (leftValueFieldName == null || String.IsNullOrEmpty(leftValueFieldName.Value))
{
return(false);
}
if (comparisonOperator == null || comparisonOperator.Value == RuleComparisonOperatorParameter.Operator.Unknown)
{
return(false);
}
var rightValueParameter = parameterSet["RightValue"];
var rightValueFieldParameter = parameterSet["RightValueFieldName"] as RuleStringParameter;
var extractionClassParameter = parameterSet["ExtractionFunctionClass"] as RuleStringParameter;
var extractionFunctionParameter = parameterSet["ExtractionFunctionName"] as RuleStringParameter;
// everything's fine if we have either a right value OR a right value field name,
// we can't have both.
// plus, if we have an extraction function class, we also need a function name
return(((rightValueParameter != null) ^
(rightValueFieldParameter != null && (!String.IsNullOrEmpty(rightValueFieldParameter.Value)))) &&
((extractionClassParameter == null && extractionFunctionParameter == null) ||
(extractionClassParameter != null && extractionFunctionParameter != null &&
!String.IsNullOrEmpty(extractionClassParameter.Value) &&
!String.IsNullOrEmpty(extractionFunctionParameter.Value))));
}
private Result CreateResult(Rule rule, ResultStatus status, FailureReason reason,
object left, RuleComparisonOperatorParameter.Operator op, object right,
params ResultDetail[] details)
{
Result result = new Result(this, rule, status, reason,
String.Format(CultureInfo.CurrentCulture, rule.ErrorInfoTemplate, left,
RuleComparisonOperatorParameter.StringForOperator(op), right));
foreach (ResultDetail detail in details)
{
result.Details.Add(detail);
}
return(result);
}
