/**
* Constructs a new SagaEntry for the given <code>saga</code>. The given saga must be serializable. The provided
* saga is not modified by this operation.
*
* @param SagaInterface $saga The saga to store
* @param SerializerInterface $serializer The serialization mechanism to convert the Saga to a byte stream
*/
public function __construct(SagaInterface $saga, SerializerInterface $serializer)
{
$this->sagaId = $saga->getSagaIdentifier();
$serialized = $serializer->serialize($saga);
$this->serializedSaga = $serialized->getData();
$this->sagaType = $serialized->getType()->getName();
$this->revision = $serialized->getType()->getRevision();
$this->saga = $saga;
}
/**
* {@inheritdoc}
*/
public function commit(SagaInterface $saga)
{
if (!$saga->isActive()) {
unset($this->managedSagas[$saga->getSagaIdentifier()]);
} else {
$this->managedSagas[$saga->getSagaIdentifier()] = $saga;
}
$saga->getAssociationValues()->commit();
}
/**
* Constructs a new SagaEntry for the given <code>saga</code>. The given saga must be serializable. The provided
* saga is not modified by this operation.
*
* @param SagaInterface $saga The saga to store
* @param SerializerInterface $serializer The serialization mechanism to convert the Saga to a byte stream
*/
public function __construct(SagaInterface $saga, SerializerInterface $serializer)
{
$this->sagaId = $saga->getSagaIdentifier();
$serialized = $serializer->serialize($saga);
$this->serializedSaga = $serialized->getData();
$this->sagaType = get_class($saga);
$this->saga = $saga;
$this->associationValues = $saga->getAssociationValues()->asArray();
}
public function commit(SagaInterface $saga)
{
if (!$saga->isActive()) {
$this->deleteSaga($saga);
} else {
$sagaType = $this->typeOf($saga);
$associationValues = $saga->getAssociationValues();
foreach ($associationValues->addedAssociations() as $av) {
$this->storeAssociationValue($av, $sagaType, $saga->getSagaIdentifier());
}
foreach ($associationValues->removedAssociations() as $av) {
$this->removeAssociationValue($av, $sagaType, $saga->getSagaIdentifier());
}
$associationValues->commit();
$this->updateSaga($saga);
}
}
protected function storeSaga(SagaInterface $saga)
{
$entry = new SagaEntry($saga, $this->serializer);
$this->entityManager->persist($entry);
$this->logger->debug("Storing saga id {id} as {data}", array('id' => $saga->getSagaIdentifier(), 'data' => $entry->getSerializedSaga()));
if ($this->useExplicitFlush) {
$this->entityManager->flush();
}
}
protected function preProcessSaga(SagaInterface $saga)
{
if (null !== $this->parameterResolverFactory) {
$saga->registerParameterResolverFactory($this->parameterResolverFactory);
}
}
private function doInvokeSaga(EventMessageInterface $event, SagaInterface $saga)
{
try {
CorrelationDataHolder::setCorrelationData($this->correlationDataProvider->correlationDataFor($event));
$saga->handle($event);
} catch (\RuntimeException $ex) {
$this->handleInvokationException($ex, $event, $saga);
}
}
/**
* Update a stored Saga, by replacing it with the given <code>saga</code> instance.
*
* @param SagaInterface $saga The saga that has been modified and needs to be updated in the storage
*/
protected function updateSaga(SagaInterface $saga)
{
$sagaEntry = new SagaEntry($saga, $this->serializer);
$this->mongoTemplate->sagaCollection()->findAndModify(SagaEntry::queryByIdentifier($saga->getSagaIdentifier()), $sagaEntry->asDBObject());
}
