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Example 1 with FetchStyleLoadPlanBuildingAssociationVisitationStrategy

use of org.hibernate.loader.plan.build.internal.FetchStyleLoadPlanBuildingAssociationVisitationStrategy in project hibernate-orm by hibernate.

the class LoadPlanBuilderTest method testSimpleBuild.

@Test
public void testSimpleBuild() {
    EntityPersister ep = (EntityPersister) sessionFactory().getClassMetadata(Message.class);
    FetchStyleLoadPlanBuildingAssociationVisitationStrategy strategy = new FetchStyleLoadPlanBuildingAssociationVisitationStrategy(sessionFactory(), LoadQueryInfluencers.NONE, LockMode.NONE);
    LoadPlan plan = MetamodelDrivenLoadPlanBuilder.buildRootEntityLoadPlan(strategy, ep);
    assertFalse(plan.hasAnyScalarReturns());
    assertEquals(1, plan.getReturns().size());
    Return rtn = plan.getReturns().get(0);
    EntityReturn entityReturn = ExtraAssertions.assertTyping(EntityReturn.class, rtn);
    assertNotNull(entityReturn.getFetches());
    assertEquals(1, entityReturn.getFetches().length);
    Fetch fetch = entityReturn.getFetches()[0];
    EntityFetch entityFetch = ExtraAssertions.assertTyping(EntityFetch.class, fetch);
    assertNotNull(entityFetch.getFetches());
    assertEquals(0, entityFetch.getFetches().length);
    LoadPlanTreePrinter.INSTANCE.logTree(plan, new AliasResolutionContextImpl(sessionFactory()));
}
Also used : EntityPersister(org.hibernate.persister.entity.EntityPersister) Fetch(org.hibernate.loader.plan.spi.Fetch) EntityFetch(org.hibernate.loader.plan.spi.EntityFetch) EntityFetch(org.hibernate.loader.plan.spi.EntityFetch) AliasResolutionContextImpl(org.hibernate.loader.plan.exec.internal.AliasResolutionContextImpl) CollectionReturn(org.hibernate.loader.plan.spi.CollectionReturn) Return(org.hibernate.loader.plan.spi.Return) EntityReturn(org.hibernate.loader.plan.spi.EntityReturn) LoadPlan(org.hibernate.loader.plan.spi.LoadPlan) FetchStyleLoadPlanBuildingAssociationVisitationStrategy(org.hibernate.loader.plan.build.internal.FetchStyleLoadPlanBuildingAssociationVisitationStrategy) EntityReturn(org.hibernate.loader.plan.spi.EntityReturn) Test(org.junit.Test)

Example 2 with FetchStyleLoadPlanBuildingAssociationVisitationStrategy

use of org.hibernate.loader.plan.build.internal.FetchStyleLoadPlanBuildingAssociationVisitationStrategy in project hibernate-orm by hibernate.

the class LoadPlanBuilderTest method testCollectionInitializerCase.

@Test
public void testCollectionInitializerCase() {
    CollectionPersister cp = sessionFactory().getCollectionPersister(Poster.class.getName() + ".messages");
    FetchStyleLoadPlanBuildingAssociationVisitationStrategy strategy = new FetchStyleLoadPlanBuildingAssociationVisitationStrategy(sessionFactory(), LoadQueryInfluencers.NONE, LockMode.NONE);
    LoadPlan plan = MetamodelDrivenLoadPlanBuilder.buildRootCollectionLoadPlan(strategy, cp);
    assertFalse(plan.hasAnyScalarReturns());
    assertEquals(1, plan.getReturns().size());
    Return rtn = plan.getReturns().get(0);
    CollectionReturn collectionReturn = ExtraAssertions.assertTyping(CollectionReturn.class, rtn);
    assertNotNull(collectionReturn.getElementGraph());
    assertNotNull(collectionReturn.getElementGraph().getFetches());
    // the collection Message elements are fetched, but Message.poster is not fetched
    // (because that collection is owned by that Poster)
    assertEquals(0, collectionReturn.getElementGraph().getFetches().length);
    EntityReference entityReference = ExtraAssertions.assertTyping(EntityReference.class, collectionReturn.getElementGraph());
    assertNotNull(entityReference.getFetches());
    assertEquals(0, entityReference.getFetches().length);
    LoadPlanTreePrinter.INSTANCE.logTree(plan, new AliasResolutionContextImpl(sessionFactory()));
}
Also used : AliasResolutionContextImpl(org.hibernate.loader.plan.exec.internal.AliasResolutionContextImpl) CollectionPersister(org.hibernate.persister.collection.CollectionPersister) CollectionReturn(org.hibernate.loader.plan.spi.CollectionReturn) Return(org.hibernate.loader.plan.spi.Return) EntityReturn(org.hibernate.loader.plan.spi.EntityReturn) LoadPlan(org.hibernate.loader.plan.spi.LoadPlan) CollectionReturn(org.hibernate.loader.plan.spi.CollectionReturn) FetchStyleLoadPlanBuildingAssociationVisitationStrategy(org.hibernate.loader.plan.build.internal.FetchStyleLoadPlanBuildingAssociationVisitationStrategy) EntityReference(org.hibernate.loader.plan.spi.EntityReference) Test(org.junit.Test)

Aggregations

FetchStyleLoadPlanBuildingAssociationVisitationStrategy (org.hibernate.loader.plan.build.internal.FetchStyleLoadPlanBuildingAssociationVisitationStrategy)2 AliasResolutionContextImpl (org.hibernate.loader.plan.exec.internal.AliasResolutionContextImpl)2 CollectionReturn (org.hibernate.loader.plan.spi.CollectionReturn)2 EntityReturn (org.hibernate.loader.plan.spi.EntityReturn)2 LoadPlan (org.hibernate.loader.plan.spi.LoadPlan)2 Return (org.hibernate.loader.plan.spi.Return)2 Test (org.junit.Test)2 EntityFetch (org.hibernate.loader.plan.spi.EntityFetch)1 EntityReference (org.hibernate.loader.plan.spi.EntityReference)1 Fetch (org.hibernate.loader.plan.spi.Fetch)1 CollectionPersister (org.hibernate.persister.collection.CollectionPersister)1 EntityPersister (org.hibernate.persister.entity.EntityPersister)1