@SuppressWarnings("deprecation")
private void autoWire(
CompatibilityLevel level, InputPorts inputPorts, LinkedList<OutputPort> readyOutputs)
throws PortException {
boolean success = false;
do {
Set<InputPort> complete = new HashSet<InputPort>();
for (InputPort in : inputPorts.getAllPorts()) {
success = false;
if (!in.isConnected()
&& !complete.contains(in)
&& in.getPorts().getOwner().getOperator().shouldAutoConnect(in)) {
Iterator<OutputPort> outIterator;
// TODO: Simon: Does the same in both cases. Check again.
if (in.simulatesStack()) {
outIterator = readyOutputs.descendingIterator();
} else {
outIterator = readyOutputs.descendingIterator();
}
while (outIterator.hasNext()) {
OutputPort outCandidate = outIterator.next();
// TODO: Remove shouldAutoConnect() in later versions
Operator owner = outCandidate.getPorts().getOwner().getOperator();
if (owner.shouldAutoConnect(outCandidate)) {
if (outCandidate.getMetaData() != null) {
if (in.isInputCompatible(outCandidate.getMetaData(), level)) {
readyOutputs.remove(outCandidate);
outCandidate.connectTo(in);
// we cannot continue with the remaining input ports
// since connecting may have triggered the creation of new input ports
// which would result in undefined behavior and a ConcurrentModificationException
success = true;
break;
}
}
}
}
// no port found.
complete.add(in);
if (success) {
break;
}
}
}
} while (success);
}
