/// <summary>
/// method for propogating the retract
/// </summary>
/// <param name="inx">The inx.</param>
/// <param name="engine">The engine.</param>
/// <param name="mem">The mem.</param>
protected internal virtual void propogateRetract(Index inx, Rete engine, IWorkingMemory mem)
{
for (int idx = 0; idx < successorNodes.Length; idx++)
{
BaseJoin node = successorNodes[idx] as BaseJoin;
if (node != null)
{
node.retractLeft(inx, engine, mem);
}
else
{
TerminalNode tnode = successorNodes[idx] as TerminalNode;
if (tnode != null)
{
tnode.retractFacts(inx, engine, mem);
}
}
//BaseNode node = successorNodes[idx];
//if (node is BaseJoin)
//{
// ((BaseJoin) node).retractLeft(inx, engine, mem);
//}
//else if (node is TerminalNode)
//{
// ((TerminalNode) node).retractFacts(inx, engine, mem);
//}
}
}
/// <summary> propogate the retract
///
/// </summary>
/// <param name="">fact
/// </param>
/// <param name="">engine
///
/// </param>
protected internal override void propogateRetract(IFact fact, Rete engine, IWorkingMemory mem)
{
for (int idx = 0; idx < successorNodes.Length; idx++)
{
BaseNode nNode = successorNodes[idx];
if (nNode is BaseJoin)
{
BaseJoin next = (BaseJoin) nNode;
IFact[] newf = new IFact[] {fact};
next.retractLeft(new Index(newf), engine, mem);
}
else if (nNode is TerminalNode)
{
TerminalNode next = (TerminalNode) nNode;
IFact[] newf = new IFact[] {fact};
next.retractFacts(new Index(newf), engine, mem);
}
}
}
