@Override
public void onPrepareCommit(
UnitOfWork unitOfWork, Set<AggregateRoot> aggregateRoots, List<EventProxy> events) {
if (hasPotentialConflicts()) {
conflictResolver.resolveConflicts(asList(aggregate.getUncommittedEvents()), unseenEvents);
}
}
/**
* 执行真正的 保存 事件操作
*
* @param aggregate the aggregate to store
*/
@Override
protected void doSaveWithLock(T aggregate) {
AggregateEventStream eventStream = aggregate.getUncommittedEvents();
try {
Iterator<EventStreamDecorator> iterator = eventStreamDecorators.descendingIterator();
while (iterator.hasNext()) {
eventStream =
iterator.next().decorateForAppend(getTypeIdentifier(), aggregate, eventStream);
}
AggregateEventStore.appendEvents(getTypeIdentifier(), eventStream);
} finally {
IOUtils.closeQuietlyIfCloseable(eventStream);
}
}