Examples with CollectionEntry org.hibernate.engine.spi.CollectionEntry used on opensource projects

Example 1 with CollectionEntry

use of org.hibernate.engine.spi.CollectionEntry in project hibernate-orm by hibernate.

the class UnversionedCascadeDereferencedCollectionTest method testGetAndReplaceCollection.

@Test
@TestForIssue(jiraKey = "HHH-9777")
public void testGetAndReplaceCollection() {
    Session s = openSession();
    s.getTransaction().begin();
    UnversionedCascadeOne one = new UnversionedCascadeOne();
    assertNull(one.getManies());
    s.save(one);
    assertNull(one.getManies());
    EntityEntry eeOne = getEntityEntry(s, one);
    assertNull(eeOne.getLoadedValue("manies"));
    s.flush();
    assertNull(one.getManies());
    assertNull(eeOne.getLoadedValue("manies"));
    s.getTransaction().commit();
    s.close();
    final String role = UnversionedCascadeOne.class.getName() + ".manies";
    s = openSession();
    s.getTransaction().begin();
    one = (UnversionedCascadeOne) s.get(UnversionedCascadeOne.class, one.getId());
    // When returned by Session.get(), one.getManies() will return a PersistentCollection;
    // the EntityEntry loaded state should contain the same PersistentCollection.
    eeOne = getEntityEntry(s, one);
    assertNotNull(one.getManies());
    AbstractPersistentCollection maniesEEOneStateOrig = (AbstractPersistentCollection) eeOne.getLoadedValue("manies");
    assertSame(one.getManies(), maniesEEOneStateOrig);
    // Ensure maniesEEOneStateOrig has role, key, and session properly defined (even though one.manies == null)
    assertEquals(role, maniesEEOneStateOrig.getRole());
    assertEquals(one.getId(), maniesEEOneStateOrig.getKey());
    assertSame(s, maniesEEOneStateOrig.getSession());
    // Ensure there is a CollectionEntry for maniesEEOneStateOrig and that the role, persister, and key are set properly.
    CollectionEntry ceManiesOrig = getCollectionEntry(s, maniesEEOneStateOrig);
    assertNotNull(ceManiesOrig);
    assertEquals(role, ceManiesOrig.getRole());
    assertSame(sessionFactory().getCollectionPersister(role), ceManiesOrig.getLoadedPersister());
    assertEquals(one.getId(), ceManiesOrig.getKey());
    // replace collection
    one.setManies(new HashSet<Many>());
    s.flush();
    // Ensure the same EntityEntry is being used.
    assertSame(eeOne, getEntityEntry(s, one));
    // Ensure CollectionEntry for maniesEEOneStateOrig is no longer in the PersistenceContext.
    assertNull(getCollectionEntry(s, maniesEEOneStateOrig));
    // Ensure the original CollectionEntry has role, persister, and key set to null.
    assertNull(ceManiesOrig.getRole());
    assertNull(ceManiesOrig.getLoadedPersister());
    assertNull(ceManiesOrig.getKey());
    // Ensure the PersistentCollection (that was previously returned by eeOne.getLoadedState())
    // has key and role set to null.
    assertNull(maniesEEOneStateOrig.getKey());
    assertNull(maniesEEOneStateOrig.getRole());
    // one.getManies() should be "wrapped" by a PersistentCollection now; role, key, and session should be set properly.
    assertTrue(PersistentCollection.class.isInstance(one.getManies()));
    assertEquals(role, ((PersistentCollection) one.getManies()).getRole());
    assertEquals(one.getId(), ((PersistentCollection) one.getManies()).getKey());
    assertSame(s, ((AbstractPersistentCollection) one.getManies()).getSession());
    // Ensure eeOne.getLoadedState() contains the new collection.
    assertSame(one.getManies(), eeOne.getLoadedValue("manies"));
    // Ensure there is a new CollectionEntry for the new collection and that role, persister, and key are set properly.
    CollectionEntry ceManiesAfterReplace = getCollectionEntry(s, (PersistentCollection) one.getManies());
    assertNotNull(ceManiesAfterReplace);
    assertEquals(role, ceManiesAfterReplace.getRole());
    assertSame(sessionFactory().getCollectionPersister(role), ceManiesAfterReplace.getLoadedPersister());
    assertEquals(one.getId(), ceManiesAfterReplace.getKey());
    // Ensure the session in maniesEEOneStateOrig has been unset.
    assertNull(maniesEEOneStateOrig.getSession());
    s.getTransaction().commit();
    s.close();
}

Example 2 with CollectionEntry

use of org.hibernate.engine.spi.CollectionEntry in project hibernate-orm by hibernate.

the class VersionedNoCascadeDereferencedCollectionTest method testGetAndReplaceCollection.

@Test
@TestForIssue(jiraKey = "HHH-9777")
public void testGetAndReplaceCollection() {
    Session s = openSession();
    s.getTransaction().begin();
    VersionedNoCascadeOne one = new VersionedNoCascadeOne();
    assertNull(one.getManies());
    s.save(one);
    assertNull(one.getManies());
    EntityEntry eeOne = getEntityEntry(s, one);
    assertNull(eeOne.getLoadedValue("manies"));
    s.flush();
    assertNull(one.getManies());
    assertNull(eeOne.getLoadedValue("manies"));
    s.getTransaction().commit();
    s.close();
    final String role = VersionedNoCascadeOne.class.getName() + ".manies";
    s = openSession();
    s.getTransaction().begin();
    one = (VersionedNoCascadeOne) s.get(VersionedNoCascadeOne.class, one.getId());
    // When returned by Session.get(), one.getManies() will return a PersistentCollection;
    // the EntityEntry loaded state should contain the same PersistentCollection.
    eeOne = getEntityEntry(s, one);
    assertNotNull(one.getManies());
    AbstractPersistentCollection maniesEEOneStateOrig = (AbstractPersistentCollection) eeOne.getLoadedValue("manies");
    assertSame(one.getManies(), maniesEEOneStateOrig);
    // Ensure maniesEEOneStateOrig has role, key, and session properly defined (even though one.manies == null)
    assertEquals(role, maniesEEOneStateOrig.getRole());
    assertEquals(one.getId(), maniesEEOneStateOrig.getKey());
    assertSame(s, maniesEEOneStateOrig.getSession());
    // Ensure there is a CollectionEntry for maniesEEOneStateOrig and that the role, persister, and key are set properly.
    CollectionEntry ceManiesOrig = getCollectionEntry(s, maniesEEOneStateOrig);
    assertNotNull(ceManiesOrig);
    assertEquals(role, ceManiesOrig.getRole());
    assertSame(sessionFactory().getCollectionPersister(role), ceManiesOrig.getLoadedPersister());
    assertEquals(one.getId(), ceManiesOrig.getKey());
    // replace collection
    one.setManies(new HashSet<Many>());
    s.flush();
    // Ensure the same EntityEntry is being used.
    assertSame(eeOne, getEntityEntry(s, one));
    // Ensure CollectionEntry for maniesEEOneStateOrig is no longer in the PersistenceContext.
    assertNull(getCollectionEntry(s, maniesEEOneStateOrig));
    // Ensure the original CollectionEntry has role, persister, and key set to null.
    assertNull(ceManiesOrig.getRole());
    assertNull(ceManiesOrig.getLoadedPersister());
    assertNull(ceManiesOrig.getKey());
    // Ensure the PersistentCollection (that was previously returned by eeOne.getLoadedState())
    // has key and role set to null.
    assertNull(maniesEEOneStateOrig.getKey());
    assertNull(maniesEEOneStateOrig.getRole());
    // one.getManies() should be "wrapped" by a PersistentCollection now; role, key, and session should be set properly.
    assertTrue(PersistentCollection.class.isInstance(one.getManies()));
    assertEquals(role, ((PersistentCollection) one.getManies()).getRole());
    assertEquals(one.getId(), ((PersistentCollection) one.getManies()).getKey());
    assertSame(s, ((AbstractPersistentCollection) one.getManies()).getSession());
    // Ensure eeOne.getLoadedState() contains the new collection.
    assertSame(one.getManies(), eeOne.getLoadedValue("manies"));
    // Ensure there is a new CollectionEntry for the new collection and that role, persister, and key are set properly.
    CollectionEntry ceManiesAfterReplace = getCollectionEntry(s, (PersistentCollection) one.getManies());
    assertNotNull(ceManiesAfterReplace);
    assertEquals(role, ceManiesAfterReplace.getRole());
    assertSame(sessionFactory().getCollectionPersister(role), ceManiesAfterReplace.getLoadedPersister());
    assertEquals(one.getId(), ceManiesAfterReplace.getKey());
    // Ensure the session in maniesEEOneStateOrig has been unset.
    assertNull(maniesEEOneStateOrig.getSession());
    s.getTransaction().commit();
    s.close();
}

Example 3 with CollectionEntry

use of org.hibernate.engine.spi.CollectionEntry in project hibernate-orm by hibernate.

the class MultipleSessionCollectionWarningTest method testSetCurrentSessionOverwritesNonConnectedSesssion.

@Test
@TestForIssue(jiraKey = "HHH-9518")
public void testSetCurrentSessionOverwritesNonConnectedSesssion() {
    Parent p = new Parent();
    Child c = new Child();
    p.children.add(c);
    Session s1 = openSession();
    s1.getTransaction().begin();
    s1.saveOrUpdate(p);
    // Now remove the collection from the PersistenceContext without unsetting its session
    // This should never be done in practice; it is done here only to test that the warning
    // gets logged. s1 will not function properly so the transaction will ultimately need
    // to be rolled-back.
    CollectionEntry ce = (CollectionEntry) ((SessionImplementor) s1).getPersistenceContext().getCollectionEntries().remove(p.children);
    assertNotNull(ce);
    // the collection session should still be s1; the collection is no longer "connected" because its
    // CollectionEntry has been removed.
    assertSame(s1, ((AbstractPersistentCollection) p.children).getSession());
    Session s2 = openSession();
    s2.getTransaction().begin();
    Triggerable triggerable = logInspection.watchForLogMessages("HHH000470:");
    assertFalse(triggerable.wasTriggered());
    // The following should trigger warning because we're setting a new session when the collection already
    // has a non-null session (and the collection is not "connected" to that session);
    // Since s1 was not flushed, the collection role will not be known (no way to test that other than inspection).
    s2.saveOrUpdate(p);
    assertTrue(triggerable.wasTriggered());
    // collection's session should be overwritten with s2
    assertSame(s2, ((AbstractPersistentCollection) p.children).getSession());
    s2.getTransaction().rollback();
    s2.close();
    s1.getTransaction().rollback();
    s1.close();
}

Example 4 with CollectionEntry

use of org.hibernate.engine.spi.CollectionEntry in project hibernate-orm by hibernate.

the class MultipleSessionCollectionWarningTest method testSetCurrentSessionOverwritesNonConnectedSesssionFlushed.

@Test
@TestForIssue(jiraKey = "HHH-9518")
public void testSetCurrentSessionOverwritesNonConnectedSesssionFlushed() {
    Parent p = new Parent();
    Child c = new Child();
    p.children.add(c);
    Session s1 = openSession();
    s1.getTransaction().begin();
    s1.saveOrUpdate(p);
    // flush the session so that p.children will contain its role
    s1.flush();
    // Now remove the collection from the PersistenceContext without unsetting its session
    // This should never be done in practice; it is done here only to test that the warning
    // gets logged. s1 will not function properly so the transaction will ultimately need
    // to be rolled-back.
    CollectionEntry ce = (CollectionEntry) ((SessionImplementor) s1).getPersistenceContext().getCollectionEntries().remove(p.children);
    assertNotNull(ce);
    // the collection session should still be s1; the collection is no longer "connected" because its
    // CollectionEntry has been removed.
    assertSame(s1, ((AbstractPersistentCollection) p.children).getSession());
    Session s2 = openSession();
    s2.getTransaction().begin();
    Triggerable triggerable = logInspection.watchForLogMessages("HHH000470:");
    assertFalse(triggerable.wasTriggered());
    // The following should trigger warning because we're setting a new session when the collection already
    // has a non-null session (and the collection is not "connected" to that session);
    // The collection role and key should be included in the message (no way to test that other than inspection).
    s2.saveOrUpdate(p);
    assertTrue(triggerable.wasTriggered());
    // collection's session should be overwritten with s2
    assertSame(s2, ((AbstractPersistentCollection) p.children).getSession());
    s2.getTransaction().rollback();
    s2.close();
    s1.getTransaction().rollback();
    s1.close();
}

Example 5 with CollectionEntry

use of org.hibernate.engine.spi.CollectionEntry in project hibernate-orm by hibernate.

the class MultipleCollectionListeners method addEvent.

public void addEvent(AbstractCollectionEvent event, Listener listener) {
    CollectionEntry collectionEntry = event.getSession().getPersistenceContext().getCollectionEntry(event.getCollection());
    Serializable snapshot = collectionEntry.getSnapshot();
    log.debug("add Event: " + event.getClass() + "; listener = " + listener.getClass() + "; snapshot = " + snapshot);
    listenersCalled.add(listener);
    events.add(event);
    snapshots.add(snapshot);
}