public RuleEngineResult <Telement> ExecuteStepTopDown(Telement item)
{
RuleEngineResult <Telement> result = new RuleEngineResult <Telement>();
IList <RuleBase <Telement> > appliableRules = (from rule in Rules where rule.Source != null && rule.Source.Id.Equals(item.Id) select rule).ToList <RuleBase <Telement> >();
result.isValid = (appliableRules.Count == 0);
foreach (var rule in appliableRules)
{
Boolean res = false;
if (rule.Source.OverrideRules)
{
res = true;
}
else
{
res = rule.Execute();
}
result.isValid = result.isValid || res;
if (!res)
{
result.ViolatedRules.Add(rule);
}
else
{
result.ValidRules.Add(rule);
}
}
return(result);
}
public IList <KeyValuePair <Telement, RuleEngineResult <Telement> > > ExecuteFromTop(Telement item, IList <KeyValuePair <Telement, RuleEngineResult <Telement> > > previous = null)
{
IList <KeyValuePair <Telement, RuleEngineResult <Telement> > > result = previous;
if (result == null)
{
result = new List <KeyValuePair <Telement, RuleEngineResult <Telement> > >();
visited = new List <Telement>();
}
if (!visited.Contains(item))
{
visited.Add(item);
RuleEngineResult <Telement> res = ExecuteStepTopDown(item);
result.Add(new KeyValuePair <Telement, RuleEngineResult <Telement> >(item, res));
foreach (var rule in res.ValidRules)
{
ExecuteFromTop(rule.Destination, result);
}
}
return(result);
}