private static BPMNDiagram mergeActivitiesAfterXOR(BPMNDiagram diagram) {
boolean repeat = true;
loops:
while (repeat) {
repeat = false;
List<Gateway> gateways = getXORGateways(diagram);
for (Gateway gateway : gateways) {
List<Activity> activities = getOutgoingActivities(diagram, gateway);
for (int i = 0; i < activities.size(); i++) {
String label = activities.get(i).getLabel();
for (int j = i + 1; j < activities.size(); j++) {
if (activities.get(j).getLabel().equals(label)) {
diagram =
mergeActivitiesAfterXOR(diagram, gateway, activities.get(i), activities.get(j));
diagram = separateSplitFromJoin(diagram);
diagram = removeXORtoAND(diagram);
diagram = removeConnectedGateways(diagram);
diagram = BPMNSimplifier.removeGatewaysUseless(diagram, diagram.getGateways());
repeat = true;
continue loops;
}
}
}
}
}
return diagram;
}
private static List<Gateway> getANDGateways(BPMNDiagram diagram) {
List<Gateway> gateways = new ArrayList<Gateway>();
for (Gateway gateway : diagram.getGateways()) {
if (gateway.getGatewayType().equals(Gateway.GatewayType.PARALLEL)) {
gateways.add(gateway);
}
}
return gateways;
}