@Override
public Set<ChannelID> getInputChannelIDsOfGate(final GateID gateID) {
InputGate<? extends IOReadableWritable> inputGate = null;
final Iterator<InputGate<? extends IOReadableWritable>> gateIterator =
this.inputGates.iterator();
while (gateIterator.hasNext()) {
final InputGate<? extends IOReadableWritable> candidateGate = gateIterator.next();
if (candidateGate.getGateID().equals(gateID)) {
inputGate = candidateGate;
break;
}
}
if (inputGate == null) {
throw new IllegalArgumentException("Cannot find input gate with ID " + gateID);
}
final Set<ChannelID> inputChannelIDs = new HashSet<ChannelID>();
for (int i = 0; i < inputGate.getNumberOfInputChannels(); ++i) {
inputChannelIDs.add(inputGate.getInputChannel(i).getID());
}
return Collections.unmodifiableSet(inputChannelIDs);
}
