public void prepare() throws Exception {
storageManager.readLock();
try {
synchronized (timeoutLock) {
if (state == State.ROLLBACK_ONLY) {
if (exception != null) {
// this TX will never be rolled back,
// so we reset it now
beforeRollback();
afterRollback();
operations.clear();
throw exception;
} else {
// Do nothing
return;
}
} else if (state != State.ACTIVE) {
throw new IllegalStateException("Transaction is in invalid state " + state);
}
if (xid == null) {
throw new IllegalStateException("Cannot prepare non XA transaction");
}
beforePrepare();
storageManager.prepare(id, xid);
state = State.PREPARED;
// We use the Callback even for non persistence
// If we are using non-persistence with replication, the replication manager will have
// to execute this runnable in the correct order
storageManager.afterCompleteOperations(
new IOAsyncTask() {
public void onError(final int errorCode, final String errorMessage) {
HornetQServerLogger.LOGGER.ioErrorOnTX(errorCode, errorMessage);
}
public void done() {
afterPrepare();
}
});
}
} finally {
storageManager.readUnLock();
}
}
