@Override
public void insertSaga(
Class<?> sagaType,
String sagaIdentifier,
Object saga,
TrackingToken token,
Set<AssociationValue> associationValues) {
EntityManager entityManager = entityManagerProvider.getEntityManager();
SagaEntry<?> entry = new SagaEntry<>(saga, sagaIdentifier, serializer);
entityManager.persist(entry);
for (AssociationValue associationValue : associationValues) {
storeAssociationValue(entityManager, sagaType, sagaIdentifier, associationValue);
}
if (logger.isDebugEnabled()) {
logger.debug(
"Storing saga id {} as {}",
sagaIdentifier,
new String(entry.getSerializedSaga(), Charset.forName("UTF-8")));
}
if (useExplicitFlush) {
entityManager.flush();
}
}
@Override
public void updateSaga(
Class<?> sagaType,
String sagaIdentifier,
Object saga,
TrackingToken token,
AssociationValues associationValues) {
EntityManager entityManager = entityManagerProvider.getEntityManager();
SagaEntry<?> entry = new SagaEntry<>(saga, sagaIdentifier, serializer);
if (logger.isDebugEnabled()) {
logger.debug(
"Updating saga id {} as {}",
sagaIdentifier,
new String(entry.getSerializedSaga(), Charset.forName("UTF-8")));
}
int updateCount =
entityManager
.createNamedQuery(UPDATE_SAGA_NAMED_QUERY)
.setParameter("serializedSaga", entry.getSerializedSaga())
.setParameter("revision", entry.getRevision())
.setParameter("sagaId", entry.getSagaId())
.setParameter("sagaType", entry.getSagaType())
.executeUpdate();
for (AssociationValue associationValue : associationValues.addedAssociations()) {
storeAssociationValue(entityManager, sagaType, sagaIdentifier, associationValue);
}
for (AssociationValue associationValue : associationValues.removedAssociations()) {
removeAssociationValue(entityManager, sagaType, sagaIdentifier, associationValue);
}
if (updateCount == 0) {
logger.warn("Expected to be able to update a Saga instance, but no rows were found.");
}
if (useExplicitFlush) {
entityManager.flush();
}
}