Examples of org.hibernate.loader.plan.spi.CollectionReturn

org.hibernate.loader.plan.spi.CollectionReturn
Models the a persistent collection as root {@link Return}. Pertinent to collection initializer ( {@link org.hibernate.loader.plan.spi.LoadPlan.Disposition#COLLECTION_INITIALIZER}) LoadPlans only, @author Steve Ebersole

    // if we get here, it is a root
    if ( ! supportsRootCollectionReturns() ) {
      throw new HibernateException( "This strategy does not support root collection returns" );
    }


    final CollectionReturn collectionReturn = new CollectionReturnImpl( collectionDefinition, querySpaces );
    pushToCollectionStack( collectionReturn );
    addRootReturn( collectionReturn );


    associationKeyRegistered(
        new AssociationKey(

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          select,
          getReaderCollector()
      );
    }
    else if ( CollectionReturn.class.isInstance( rootReturn ) ) {
      final CollectionReturn collectionReturn = (CollectionReturn) rootReturn;
      if ( collectionReturn.getElementGraph() != null ) {
        fetchStats = queryProcessor.processFetches(
            collectionReturn.getElementGraph(),
            select,
            getReaderCollector()
        );
      }
      // TODO: what about index???

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   */
  public static LoadQueryDetails makeCollectionLoadQueryDetails(
      CollectionPersister collectionPersister,
      LoadPlan loadPlan,
      QueryBuildingParameters buildingParameters) {
    final CollectionReturn rootReturn = RootHelper.INSTANCE.extractRootReturn( loadPlan, CollectionReturn.class );
    final AliasResolutionContextImpl aliasResolutionContext = new AliasResolutionContextImpl(
        collectionPersister.getFactory()
    );
    return collectionPersister.isOneToMany() ?
        new OneToManyLoadQueryDetails(

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    // if we get here, it is a root
    if ( ! supportsRootCollectionReturns() ) {
      throw new HibernateException( "This strategy does not support root collection returns" );
    }


    final CollectionReturn collectionReturn = new CollectionReturnImpl( collectionDefinition, querySpaces );
    pushToCollectionStack( collectionReturn );
    addRootReturn( collectionReturn );


    associationKeyRegistered(
        new AssociationKey(

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   */
  public static CollectionLoadQueryDetails makeForBatching(
      LoadPlan loadPlan,
      QueryBuildingParameters buildingParameters,
      SessionFactoryImplementor factory) {
    final CollectionReturn rootReturn = Helper.INSTANCE.extractRootReturn( loadPlan, CollectionReturn.class );
    final AliasResolutionContextImpl aliasResolutionContext = new AliasResolutionContextImpl( factory );
    return new OneToManyLoadQueryDetails(
            loadPlan,
            aliasResolutionContext,
            rootReturn,

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   */
  public static CollectionLoadQueryDetails makeForBatching(
      LoadPlan loadPlan,
      QueryBuildingParameters buildingParameters,
      SessionFactoryImplementor factory) {
    final CollectionReturn rootReturn = Helper.INSTANCE.extractRootReturn( loadPlan, CollectionReturn.class );
    final AliasResolutionContextImpl aliasResolutionContext = new AliasResolutionContextImpl( factory );
    return new BasicCollectionLoadQueryDetails(
            loadPlan,
            aliasResolutionContext,
            rootReturn,

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          select,
          getReaderCollector()
      );
    }
    else if ( CollectionReturn.class.isInstance( rootReturn ) ) {
      final CollectionReturn collectionReturn = (CollectionReturn) rootReturn;
      if ( collectionReturn.getElementGraph() != null ) {
        fetchStats = queryProcessor.processFetches(
            collectionReturn.getElementGraph(),
            select,
            getReaderCollector()
        );
      }
      // TODO: what about index???

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    if ( fetchOwnerStack.isEmpty() ) {
      // this is a root...
      if ( ! supportsRootCollectionReturns() ) {
        throw new HibernateException( "This strategy does not support root collection returns" );
      }
      final CollectionReturn collectionReturn = buildRootCollectionReturn( collectionDefinition );
      addRootReturn( collectionReturn );
      pushToCollectionStack( collectionReturn );
    }
  }

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      strategy.handleEntityReturn( (EntityReturn) rootReturn );
      visitFetches( (EntityReturn) rootReturn );
    }
    else if ( CollectionReturn.class.isInstance( rootReturn ) ) {
      strategy.handleCollectionReturn( (CollectionReturn) rootReturn );
      final CollectionReturn collectionReturn = (CollectionReturn) rootReturn;
      visitFetches( collectionReturn.getIndexGraph() );
      visitFetches( collectionReturn.getElementGraph() );
    }
    else {
      throw new IllegalStateException(
          "Unexpected return type encountered; expecting a non-scalar root return, but found " +
              rootReturn.getClass().getName()

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  @Override
  protected CollectionReturn buildRootCollectionReturn(CollectionDefinition collectionDefinition) {
    final CollectionPersister persister = collectionDefinition.getCollectionPersister();
    final String collectionRole = persister.getRole();
    return new CollectionReturn(
        sessionFactory(),
        LockMode.NONE, // todo : for now
        persister.getOwnerEntityPersister().getEntityName(),
        StringHelper.unqualify( collectionRole )
    );

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Related Classes of org.hibernate.loader.plan.spi.CollectionReturn

org.hibernate.loader.plan.build.internal.AbstractLoadPlanBuildingAssociationVisitationStrategy

org.hibernate.loader.plan.build.spi.AbstractLoadPlanBuildingAssociationVisitationStrategy

org.hibernate.loader.plan.exec.internal.AbstractLoadQueryDetails

org.hibernate.loader.plan.exec.internal.BatchingLoadQueryDetailsFactory

org.hibernate.loader.plan.exec.spi.AbstractLoadQueryDetails

org.hibernate.loader.plan.exec.spi.BasicCollectionLoadQueryDetails

org.hibernate.loader.plan.exec.spi.OneToManyLoadQueryDetails

org.hibernate.loader.plan.internal.SingleRootReturnLoadPlanBuilderStrategy

org.hibernate.loader.plan.spi.build.AbstractLoadPlanBuilderStrategy

org.hibernate.loader.plan.spi.visit.ReturnGraphVisitor

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