@Override
public void lock(
Serializable id, Object version, Object object, int timeout, SessionImplementor session)
throws StaleObjectStateException, JDBCException {
MapDatastoreProvider dataStore = getProvider(session);
EntityKey key =
EntityKeyBuilder.fromData(
((OgmEntityPersister) lockable).getRootEntityKeyMetadata(),
identifierGridType,
id,
session);
dataStore.writeLock(key, timeout);
// FIXME check the version number as well and raise an optimistic lock exception if there is an
// issue JPA 2 spec: 3.4.4.2
// (Comment by Emmanuel)
}
private AssociationKey getCollectionMetadataKey() {
if (collectionMetadataKey == null) {
final Object[] columnValues = getKeyColumnValues();
collectionMetadataKey = new AssociationKey(tableName, keyColumnNames, columnValues);
// We have a collection on the main side
if (collectionPersister != null) {
EntityKey entityKey;
// we are explicitly looking to update the non owning side
if (inverse) {
// look for the other side of the collection, build the key of the other side's entity
OgmEntityPersister elementPersister =
(OgmEntityPersister) collectionPersister.getElementPersister();
entityKey = EntityKeyBuilder.fromPersister(elementPersister, (Serializable) key, session);
collectionMetadataKey.setCollectionRole(buildCollectionRole(collectionPersister));
} else {
// we are on the right side, use the association property
collectionMetadataKey.setCollectionRole(getUnqualifiedRole(collectionPersister));
entityKey =
EntityKeyBuilder.fromPersister(
(OgmEntityPersister) collectionPersister.getOwnerEntityPersister(),
(Serializable) key,
session);
}
collectionMetadataKey.setOwnerEntityKey(entityKey);
// TODO add information on the collection type, set, map, bag, list etc
AssociationKind type =
collectionPersister.getElementType().isEntityType()
? AssociationKind.ASSOCIATION
: AssociationKind.EMBEDDED;
collectionMetadataKey.setAssociationKind(type);
collectionMetadataKey.setRowKeyColumnNames(collectionPersister.getRowKeyColumnNames());
}
// We have a to-one on the main side
else if (propertyType != null) {
collectionMetadataKey.setAssociationKind(
propertyType.isEntityType() ? AssociationKind.ASSOCIATION : AssociationKind.EMBEDDED);
if (propertyType instanceof EntityType) {
EntityType entityType = (EntityType) propertyType;
OgmEntityPersister associatedPersister =
(OgmEntityPersister) entityType.getAssociatedJoinable(session.getFactory());
EntityKey entityKey =
new EntityKey(
associatedPersister.getTableName(),
associatedPersister.getIdentifierColumnNames(),
columnValues);
collectionMetadataKey.setOwnerEntityKey(entityKey);
collectionMetadataKey.setRowKeyColumnNames(rowKeyColumnNames);
collectionMetadataKey.setCollectionRole(getCollectionRoleFromToOne(associatedPersister));
} else {
throw new AssertionFailure(
"Cannot detect associated entity metadata. propertyType is of unexpected type: "
+ propertyType.getClass());
}
} else {
throw new AssertionFailure(
"Cannot detect associated entity metadata: collectionPersister and propertyType are both null");
}
}
return collectionMetadataKey;
}