private void tryRollback(Channel channel) {
try {
channel.txRollback();
} catch (IOException e) {
logger.debug("Unable to rollback. The underlying channel might already be closed.", e);
}
}
@Override
public void onRollback(Throwable failureCause) {
try {
channel.txRollback();
} catch (IOException e) {
logger.warn("Unable to rollback transaction on channel.", e);
}
tryClose(channel);
isOpen = false;
}
@Override
protected <E> boolean transactionalPublishImpl(
Collection<E> messageBundles, TransportPublishProperties properties)
throws IOException, TimeoutException, InterruptedException {
channel.txSelect();
boolean rollback = true;
try {
for (E messageBundle : messageBundles) {
if (!publishImpl((AMQPMessageBundle) messageBundle, properties)) return false;
}
rollback = false;
} finally {
// ! Explicitly roll back.
if (rollback) channel.txRollback();
else channel.txCommit();
}
return !rollback;
}