Пример #1
0
 @Override
 public <T> void delete(T instance) {
   AbstractInstanceManager<EntityId, Entity> entityInstanceManager =
       sessionContext.getEntityInstanceManager();
   AbstractInstanceManager<RelationId, Relation> relationInstanceManager =
       sessionContext.getRelationInstanceManager();
   DatastoreSession<
           EntityId,
           Entity,
           EntityMetadata,
           EntityDiscriminator,
           RelationId,
           Relation,
           RelationMetadata,
           RelationDiscriminator,
           PropertyMetadata>
       datastoreSession = sessionContext.getDatastoreSession();
   if (entityInstanceManager.isInstance(instance)) {
     Entity entity = entityInstanceManager.getDatastoreType(instance);
     sessionContext.getInstanceListenerService().preDelete(instance);
     datastoreSession.getDatastoreEntityManager().deleteEntity(entity);
     entityInstanceManager.removeInstance(instance);
     entityInstanceManager.closeInstance(instance);
     sessionContext.getInstanceListenerService().postDelete(instance);
   } else if (relationInstanceManager.isInstance(instance)) {
     Relation relation = relationInstanceManager.getDatastoreType(instance);
     sessionContext.getInstanceListenerService().preDelete(instance);
     datastoreSession.getDatastoreRelationManager().deleteRelation(relation);
     relationInstanceManager.removeInstance(instance);
     relationInstanceManager.closeInstance(instance);
     sessionContext.getInstanceListenerService().postDelete(instance);
   } else {
     throw new XOException(instance + " is not a managed XO instance.");
   }
 }
Пример #2
0
 @Override
 public <T, Id> Id getId(T instance) {
   AbstractInstanceManager<EntityId, Entity> entityInstanceManager =
       sessionContext.getEntityInstanceManager();
   AbstractInstanceManager<RelationId, Relation> relationInstanceManager =
       sessionContext.getRelationInstanceManager();
   if (entityInstanceManager.isInstance(instance)) {
     Entity entity = entityInstanceManager.getDatastoreType(instance);
     return (Id)
         sessionContext.getDatastoreSession().getDatastoreEntityManager().getEntityId(entity);
   } else if (relationInstanceManager.isInstance(instance)) {
     Relation relation = relationInstanceManager.getDatastoreType(instance);
     return (Id)
         sessionContext
             .getDatastoreSession()
             .getDatastoreRelationManager()
             .getRelationId(relation);
   }
   throw new XOException(instance + " is not a managed XO instance.");
 }
Пример #3
0
 @Override
 public void close() {
   sessionContext.getEntityInstanceManager().close();
   sessionContext.getRelationInstanceManager().close();
   sessionContext.getDatastoreSession().close();
 }