public void resume(Transaction tx) throws IllegalStateException, SystemException {
assertTmOk("tx resume");
Thread thread = Thread.currentThread();
if (txThreadMap.get(thread) != null) {
throw new IllegalStateException("Transaction already associated");
}
if (tx != null) {
TransactionImpl txImpl = (TransactionImpl) tx;
if (txImpl.getStatus() != Status.STATUS_NO_TRANSACTION) {
if (txImpl.isActive()) {
throw new IllegalStateException(txImpl + " already active");
}
txImpl.markAsActive();
txThreadMap.put(thread, txImpl);
}
// generate pro-active event resume
}
}
