public ValidationRule(string RuleName, PropertySelection selection, IComparable comparedObject, IOperator op, bool AutoResolve, string ResolveStringForUI)
{
this.RuleName = RuleName;
this.Operator = op;
this.OperatorName = op.GetType().ToString();
this.Property = selection;
validationResolve = new ValidationResolve(AutoResolve, ResolveStringForUI);
this.ComparedObject = comparedObject;
ComparedObjectStringData = @"_";
ComparedObjectPropertySelectionData = new PropertySelection(@"_", @"_");
if (comparedObject is System.Int32)
{
ComparedObjectType = 0; ComparedObjectStringData = comparedObject.ToString();
}
else if (comparedObject is System.String)
{
ComparedObjectType = 1; ComparedObjectStringData = comparedObject.ToString();
}
else if (comparedObject is System.Single)
{
ComparedObjectType = 2; ComparedObjectStringData = comparedObject.ToString();
}
else if (comparedObject is PropertySelection)
{
ComparedObjectType = 3; ComparedObjectPropertySelectionData = (PropertySelection)comparedObject;
}
}
public ErrorValidationEvent Validate(ValidationRequest request, FlowErrorTrace parent)
{
ObjectBinder binder = request.Binder;
// todo: check IComparable casting is possible
IComparable comparableComaredObject = null;
IComparable comparableToCheck = null;
// bind 1st object
try {
comparableToCheck = binder.Bind(Property);
}catch (Exception e)
{
return(new UnableToBindEvent(parent, e, this, Property, 1));
}
if (ComparedObject.GetType().Equals(typeof(PropertySelection)))
{
// bind 2nd object
PropertySelection selected = (PropertySelection)ComparedObject;
try
{
comparableComaredObject = binder.Bind(selected);
}
catch (Exception e)
{
return(new UnableToBindEvent(parent, e, this, selected, 2));
}
}
else
{
// set 2nd object
try
{
comparableComaredObject = (IComparable)ComparedObject;
}
catch (Exception e)
{
return(new RuleRuntimeErrorEvent(parent, e, this, comparableToCheck, comparableComaredObject));
}
}
// evaluate
try
{
if (Operator.Evaluate(comparableToCheck, comparableComaredObject) == false)
{
return(new UnsuccessfulRuleCompletionEvent(parent, this, comparableToCheck, comparableComaredObject));
}
else
{
return(null);
}
}
catch (Exception e)
{
return(new RuleRuntimeErrorEvent(parent, e, this, comparableToCheck, comparableComaredObject));
}
}
