public static Object runInTransaction(Callable fn) throws Exception {
LockingTransaction t = transaction.get();
if (t == null) transaction.set(t = new LockingTransaction());
if (t.info != null) return fn.call();
return t.run(fn);
}
public static Object runInTransaction(Callable fn) throws Exception {
LockingTransaction t = transaction.get();
Object ret;
if (t == null) {
transaction.set(t = new LockingTransaction());
try {
ret = t.run(fn);
} finally {
transaction.remove();
}
} else {
if (t.info != null) {
ret = fn.call();
} else {
ret = t.run(fn);
}
}
return ret;
}