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* to you under the Apache License, Version 2.0 (the
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*
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package org.apache.cayenne.access;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.Persistent;
import org.apache.cayenne.map.EntityResolver;
import org.apache.cayenne.map.LifecycleEvent;
import org.apache.cayenne.query.EJBQLQuery;
import org.apache.cayenne.query.RefreshQuery;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.reflect.LifecycleCallbackRegistry;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.testdo.testmap.Painting;
import org.apache.cayenne.unit.CayenneCase;
public class DataDomainCallbacksTest extends CayenneCase {
@Override
protected void setUp() throws Exception {
deleteTestData();
}
@Override
protected void tearDown() throws Exception {
EntityResolver resolver = getDomain().getEntityResolver();
resolver.getCallbackRegistry().clear();
}
public void testPostLoad() throws Exception {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
MockCallingBackListener listener = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_LOAD,
Artist.class,
listener,
"publicCallback");
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
SelectQuery q = new SelectQuery(Artist.class);
context.performQuery(q);
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
a1.resetCallbackFlags();
listener.reset();
// post load must be called on rollback...
a1.resetCallbackFlags();
listener.reset();
context.rollbackChanges();
assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
// now change and rollback the artist - postLoad must be called
a1.setArtistName("YY");
context.rollbackChanges();
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
// test invalidated
a1.resetCallbackFlags();
listener.reset();
assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
context.performQuery(new RefreshQuery(a1));
assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
a1.getArtistName();
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
}
public void testPostLoad_MixedResult() throws Exception {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
MockCallingBackListener listener = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_LOAD,
Artist.class,
listener,
"publicCallback");
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
EJBQLQuery q = new EJBQLQuery("select a, a.artistName from Artist a");
context.performQuery(q);
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
}
public void testPostLoad_Relationship() throws Exception {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
MockCallingBackListener listener = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_LOAD,
Artist.class,
listener,
"publicCallback");
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
Painting p1 = context.newObject(Painting.class);
p1.setToArtist(a1);
p1.setPaintingTitle("XXX");
context.commitChanges();
// reset context and read related object
context = createDataContext();
SelectQuery q = new SelectQuery(Painting.class);
p1 = (Painting) context.performQuery(q).get(0);
// this should be a hollow object, so no callback just yet
a1 = p1.getToArtist();
assertEquals(PersistenceState.HOLLOW, a1.getPersistenceState());
assertEquals(0, a1.getPostLoaded());
assertNull(listener.getPublicCalledbackEntity());
a1.getArtistName();
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
}
public void testPostLoad_Prefetch() throws Exception {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
MockCallingBackListener listener = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_LOAD,
Artist.class,
listener,
"publicCallback");
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
Painting p1 = context.newObject(Painting.class);
p1.setToArtist(a1);
p1.setPaintingTitle("XXX");
context.commitChanges();
// reset context and read related object
context = createDataContext();
SelectQuery q = new SelectQuery(Painting.class);
q.addPrefetch(Painting.TO_ARTIST_PROPERTY);
p1 = (Painting) context.performQuery(q).get(0);
// artist is prefetched here, and a callback must have been invoked
a1 = p1.getToArtist();
assertEquals(PersistenceState.COMMITTED, a1.getPersistenceState());
assertEquals(1, a1.getPostLoaded());
assertSame(a1, listener.getPublicCalledbackEntity());
}
public void testPreUpdate() {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
assertFalse(a1.isPreUpdated());
a1.setArtistName("YY");
context.commitChanges();
assertFalse(a1.isPreUpdated());
registry
.addListener(LifecycleEvent.PRE_UPDATE, Artist.class, "preUpdateCallback");
a1.setArtistName("ZZ");
context.commitChanges();
assertTrue(a1.isPreUpdated());
a1.resetCallbackFlags();
assertFalse(a1.isPreUpdated());
MockCallingBackListener listener2 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.PRE_UPDATE,
Artist.class,
listener2,
"publicCallback");
a1.setArtistName("AA");
context.commitChanges();
assertTrue(a1.isPreUpdated());
assertSame(a1, listener2.getPublicCalledbackEntity());
}
public void testPostUpdate() {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
assertFalse(a1.isPostUpdated());
a1.setArtistName("YY");
context.commitChanges();
assertFalse(a1.isPostUpdated());
registry.addListener(
LifecycleEvent.POST_UPDATE,
Artist.class,
"postUpdateCallback");
a1.setArtistName("ZZ");
context.commitChanges();
assertTrue(a1.isPostUpdated());
a1.resetCallbackFlags();
assertFalse(a1.isPostUpdated());
MockCallingBackListener listener2 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_UPDATE,
Artist.class,
listener2,
"publicCallback");
a1.setArtistName("AA");
context.commitChanges();
assertTrue(a1.isPostUpdated());
assertSame(a1, listener2.getPublicCalledbackEntity());
}
public void testPostRemove() {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
registry.addListener(
LifecycleEvent.POST_REMOVE,
Artist.class,
"postRemoveCallback");
MockCallingBackListener listener2 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_REMOVE,
Artist.class,
listener2,
"publicCallback");
context.deleteObject(a1);
context.commitChanges();
assertTrue(a1.isPostRemoved());
assertSame(a1, listener2.getPublicCalledbackEntity());
}
public void testPostRemove_UpdatedDeleted() {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
MockCallingBackListener listener1 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_REMOVE,
Artist.class,
listener1,
"publicCallback");
MockCallingBackListener listener2 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_UPDATE,
Artist.class,
listener2,
"publicCallback");
// change before removing
a1.setArtistName("YY");
context.deleteObject(a1);
context.commitChanges();
assertNull(listener2.getPublicCalledbackEntity());
assertSame(a1, listener1.getPublicCalledbackEntity());
}
public void testPostRemove_InsertedUpdatedDeleted() {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
MockCallingBackListener listener0 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_PERSIST,
Artist.class,
listener0,
"publicCallback");
MockCallingBackListener listener1 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_REMOVE,
Artist.class,
listener1,
"publicCallback");
MockCallingBackListener listener2 = new MockCallingBackListener();
registry.addListener(
LifecycleEvent.POST_UPDATE,
Artist.class,
listener2,
"publicCallback");
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.deleteObject(a1);
context.commitChanges();
assertNull(listener0.getPublicCalledbackEntity());
assertNull(listener1.getPublicCalledbackEntity());
assertNull(listener2.getPublicCalledbackEntity());
}
public void testPostPersist() {
LifecycleCallbackRegistry registry = getDomain()
.getEntityResolver()
.getCallbackRegistry();
ObjectContext context = createDataContext();
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("XX");
context.commitChanges();
assertFalse(a1.isPostPersisted());
registry.addListener(
LifecycleEvent.POST_PERSIST,
Artist.class,
"postPersistCallback");
MockCallingBackListener listener2 = new MockCallingBackListener() {
@Override
public void publicCallback(Object entity) {
super.publicCallback(entity);
assertFalse(((Persistent) entity).getObjectId().isTemporary());
}
};
registry.addListener(
LifecycleEvent.POST_PERSIST,
Artist.class,
listener2,
"publicCallback");
Artist a2 = context.newObject(Artist.class);
a2.setArtistName("XX");
context.commitChanges();
assertFalse(a1.isPostPersisted());
assertTrue(a2.isPostPersisted());
assertSame(a2, listener2.getPublicCalledbackEntity());
}
}