/// <summary> Assert will first pass the facts to the parameters. Once the
/// parameters are set, it should call execute to get the result.
/// </summary>
public override void assertLeft(Index linx, Rete engine, WorkingMemory mem)
{
Map leftmem = (Map)mem.getBetaLeftMemory(this);
if (!leftmem.containsKey(linx))
{
Parameters = linx.Facts;
ReturnVector rv = func.executeFunction(engine, params_Renamed);
if (!rv.firstReturnValue().BooleanValue)
{
BetaMemory bmem = new BetaMemoryImpl(linx);
leftmem.put(bmem.Index, bmem);
}
// only propogate if left memories count is zero
if (leftmem.size() == 0)
{
propogateAssert(linx, engine, mem);
}
}
}
