/** @return The first join gateway found, that has another join gateway as successor. */
private Gateway getSequentialJoinGateways() {
List<Gateway> joinGateways = getJoinGateways(false);
for (Iterator<Gateway> it = joinGateways.iterator(); it.hasNext(); ) {
Gateway gateway = it.next();
Activity successor = gateway.getSuccessor();
if ((successor instanceof Gateway) && (isJoinGateway((Gateway) gateway.getSuccessor()))) {
return gateway;
}
}
return null;
}
