public IFactResult TryRetractAll(IEnumerable <object> facts, BatchOptions options)
{
if (facts == null)
{
throw new ArgumentNullException(nameof(facts));
}
var failed = new List <object>();
var toPropagate = new List <Fact>();
foreach (var fact in facts)
{
var factWrapper = _workingMemory.GetFact(fact);
if (factWrapper != null && factWrapper.Source == null)
{
toPropagate.Add(factWrapper);
}
else
{
failed.Add(fact);
}
}
var result = new FactResult(failed);
if (result.FailedCount == 0 || options == BatchOptions.SkipFailed)
{
_network.PropagateRetract(_executionContext, toPropagate);
foreach (var fact in toPropagate)
{
_workingMemory.RemoveFact(fact);
}
PropagateLinked();
}
return(result);
}