/**
* @param AggregateRootIdentifier $aggregateRootIdentifier
* @param int $expectedVersion
*
* @return AggregateRoot
*
* @throws AggregateNotFoundException
*/
public function load(AggregateRootIdentifier $aggregateRootIdentifier, $expectedVersion = null)
{
$eventStream = $this->eventStore->read($this->aggregateRootType, $aggregateRootIdentifier);
if ($eventStream->isEmpty()) {
throw new AggregateNotFoundException($aggregateRootIdentifier);
}
$className = $this->aggregateRootType->className();
$aggregateRoot = $className::loadFromHistory($eventStream);
$actualVersion = $aggregateRoot->lastCommittedEventSequenceNumber();
if (null !== $expectedVersion && $actualVersion !== $expectedVersion) {
throw new ConflictingAggregateVersionException($aggregateRootIdentifier, $actualVersion, $expectedVersion);
}
return $this->unitOfWork->registerAggregate($aggregateRoot, $this->eventBus, $this->createSaveAggregateCallback());
}
public function it_can_register_a_new_aggregate_root(AggregateRoot $aggregateRoot, $eventBus, $saveAggregateCallbackFactory, SaveAggregateCallback $saveAggregateCallback, UnitOfWork $unitOfWork)
{
$this->setSaveAggregateCallbackFactory($saveAggregateCallbackFactory);
$aggregateRoot->lastCommittedEventSequenceNumber()->willReturn(0);
$saveAggregateCallbackFactory->create()->willReturn($saveAggregateCallback);
$unitOfWork->registerAggregate($aggregateRoot, $eventBus, $saveAggregateCallback)->shouldBeCalledTimes(1);
$this->add($aggregateRoot);
}
