public void begin(final JmsTransactionId txId, final AsyncResult request) throws Exception {
if (current != null) {
throw new IOException("Begin called while a TX is still Active.");
}
final AsyncResult declareCompletion =
new AsyncResult() {
@Override
public void onSuccess() {
current = txId;
request.onSuccess();
}
@Override
public void onFailure(Throwable result) {
current = null;
request.onFailure(result);
}
@Override
public boolean isComplete() {
return current != null;
}
};
if (coordinator == null || coordinator.isClosed()) {
AmqpTransactionCoordinatorBuilder builder =
new AmqpTransactionCoordinatorBuilder(this, session.getResourceInfo());
builder.buildResource(
new AsyncResult() {
@Override
public void onSuccess() {
try {
coordinator.declare(txId, declareCompletion);
} catch (Exception e) {
request.onFailure(e);
}
}
@Override
public void onFailure(Throwable result) {
request.onFailure(result);
}
@Override
public boolean isComplete() {
return request.isComplete();
}
});
} else {
coordinator.declare(txId, declareCompletion);
}
}
@Override
public AmqpProvider getProvider() {
return session.getProvider();
}