/*
* Add 'global' noflow actions for a node.
*/
private void addNoflow(Node node, Choice choice) {
Action noflow = noflow(node);
if (noflow != null) {
if (noflow instanceof Choice) {
choice.getActions().addAll(((Choice) noflow).getActions());
} else {
choice.getActions().add(noflow);
}
}
}
/*
* (non-Javadoc)
* @see org.ect.reo.NodeSwitch#caseRouteNode(org.ect.reo.Node)
*/
@Override
protected Process caseRouteNode(Node node) {
// Create a choice.
Choice choice = new Choice();
for (SinkEnd sink : node.getSinkEnds()) {
for (SourceEnd source : node.getSourceEnds()) {
// Create a synchronization.
Synchronization sync = new Synchronization();
// Add active ends to the synchronization.
sync.getActions().add(flow(sink));
sync.getActions().add(flow(source));
// No-flow actions:
for (PrimitiveEnd inactive : node.getAllEnds()) {
if (inactive == sink || inactive == source) continue;
Action noflow = noflow(inactive);
if (noflow != null) sync.getActions().add(noflow);
}
// Add the synchronization to the choice action.
choice.getActions().add(sync);
}
}
// Wrap the flow actions.
choice = new Choice(wrapFlowAction(node, choice));
// Additional noflow:
addNoflow(node, choice);
// Try to simplify the action a bit.
Action action = (choice.getActions().size() == 1) ? choice.getActions().get(0) : choice;
// Wrap and return the action.
return wrapAction(node, action);
}