private static bool VisitConditionNode(IConditionNode <TConditionType> conditionNode, IDictionary <TConditionType, bool> conditionsChecklist)
{
switch (conditionNode)
{
case IValueConditionNode <TConditionType> valueConditionNode:
if (conditionsChecklist.ContainsKey(valueConditionNode.ConditionType))
{
conditionsChecklist[valueConditionNode.ConditionType] = true;
}
return(conditionsChecklist.All(kvp => kvp.Value));
case ComposedConditionNode <TConditionType> composedConditionNode:
foreach (IConditionNode <TConditionType> childConditionNode in composedConditionNode.ChildConditionNodes)
{
bool allPresentAlready = VisitConditionNode(childConditionNode, conditionsChecklist);
if (allPresentAlready)
{
return(true);
}
}
return(false);
default:
throw new NotSupportedException($"Unsupported condition node: '{conditionNode.GetType().Name}'.");
}
}
private ISpecification <IEnumerable <Condition <TConditionType> > > BuildSpecification(IConditionNode <TConditionType> conditionNode, MatchModes matchMode)
{
return(conditionNode switch
{
IValueConditionNode <TConditionType> valueConditionNode => this.BuildSpecificationForValueNode(valueConditionNode, matchMode),
ComposedConditionNode <TConditionType> composedConditionNode => this.BuildSpecificationForComposedNode(composedConditionNode, matchMode),
_ => throw new NotSupportedException($"Unsupported condition node: '{conditionNode.GetType().Name}'."),
});
