private static void lockAndExecute(final Runnable runnable, final Iterator<Guardian> guardians) {
if (guardians.hasNext()) {
final Guardian guardian = guardians.next();
ThreadUtils.log("Acquire lock: %s", guardian);
synchronized (guardian) {
ThreadUtils.log("Lock: %s acquired", guardian);
Guardian.lockAndExecute(runnable, guardians);
}
ThreadUtils.log("Release lock: %s", guardian);
} else {
ThreadUtils.log("All locks are acquired. Execute task");
runnable.run();
}
}
public static void lockAndExecute(final Runnable runnable, final List<Guardian> guardians) {
final List<Guardian> orderedGuardians = new ArrayList<>(guardians);
Collections.sort(orderedGuardians);
Guardian.lockAndExecute(runnable, orderedGuardians.iterator());
}
public static void lockAndExecute(final Runnable runnable, final Guardian... guardians) {
Guardian.lockAndExecute(runnable, Arrays.asList(guardians));
}