public virtual void lookUpFunction(Rete engine)
{
if (func is ShellFunction)
{
ShellFunction sf = (ShellFunction)func;
sf.lookUpFunction(engine);
if (sf.Function != null)
{
func = sf.Function;
}
}
}
/// <summary> the method is responsible for compiling a TestCE pattern to a testjoin node.
/// It uses the globally declared prevCE and prevJoinNode
/// </summary>
public virtual BaseJoin compileJoin(ICondition condition, int position, Rule.IRule rule)
{
TestCondition tc = (TestCondition)condition;
ShellFunction fn = (ShellFunction)tc.Function;
fn.lookUpFunction(ruleCompiler.Engine);
IParameter[] oldpm = fn.Parameters;
IParameter[] pms = new IParameter[oldpm.Length];
for (int ipm = 0; ipm < pms.Length; ipm++)
{
if (oldpm[ipm] is ValueParam)
{
pms[ipm] = ((ValueParam)oldpm[ipm]).cloneParameter();
}
else if (oldpm[ipm] is BoundParam)
{
BoundParam bpm = (BoundParam)oldpm[ipm];
// now we need to resolve and setup the BoundParam
Binding b = rule.getBinding(bpm.VariableName);
BoundParam newpm = new BoundParam(b.LeftRow, b.LeftIndex, 9, bpm.ObjectBinding);
newpm.VariableName = bpm.VariableName;
pms[ipm] = newpm;
}
}
BaseJoin joinNode = null;
if (tc.Negated)
{
joinNode = new NTestNode(ruleCompiler.Engine.nextNodeId(), fn.Function, pms);
}
else
{
joinNode = new TestNode(ruleCompiler.Engine.nextNodeId(), fn.Function, pms);
}
((TestNode)joinNode).lookUpFunction(ruleCompiler.Engine);
return(joinNode);
}
