private ActivationIterator(InternalWorkingMemory wm, KnowledgeBase kbase) {
this.wm = wm;
nodeIter = TerminalNodeIterator.iterator(kbase);
// Find the first node with Activations an set it.
while (currentLeftTuple == null && (node = (TerminalNode) nodeIter.next()) != null) {
if (!(node instanceof RuleTerminalNode)) {
continue;
}
leftTupleIter = LeftTupleIterator.iterator(wm, node);
this.currentLeftTuple = (LeftTuple) leftTupleIter.next();
}
}
public Object next() {
Activation acc = null;
if (this.currentLeftTuple != null) {
acc = (Activation) currentLeftTuple.getObject();
this.currentLeftTuple = (LeftTuple) leftTupleIter.next();
while (currentLeftTuple == null && (node = (TerminalNode) nodeIter.next()) != null) {
if (!(node instanceof RuleTerminalNode)) {
continue;
}
leftTupleIter = LeftTupleIterator.iterator(wm, node);
this.currentLeftTuple = (LeftTuple) leftTupleIter.next();
}
}
return acc;
}
