public void testSerializeCommitted() throws Exception {
Artist artist = (Artist) context.newObject("Artist");
artist.setArtistName("artist1");
assertNotNull(artist.getObjectId());
context.commitChanges();
DataContext deserializedContext = Util.cloneViaSerialization(context);
assertSame(context.getParentDataDomain(), deserializedContext.getParentDataDomain());
// there should be only one object registered
Artist deserializedArtist =
(Artist) deserializedContext.getObjectStore().getObjectIterator().next();
assertNotNull(deserializedArtist);
// deserialized as hollow...
assertEquals(PersistenceState.HOLLOW, deserializedArtist.getPersistenceState());
assertFalse(deserializedArtist.getObjectId().isTemporary());
assertEquals("artist1", deserializedArtist.getArtistName());
assertSame(deserializedContext, deserializedArtist.getObjectContext());
// test that to-many relationships are initialized
List<?> paintings = deserializedArtist.getPaintingArray();
assertNotNull(paintings);
assertEquals(0, paintings.size());
}
public void testSerializeModified() throws Exception {
Artist artist = (Artist) context.newObject("Artist");
artist.setArtistName("artist1");
assertNotNull(artist.getObjectId());
context.commitChanges();
artist.setArtistName("artist2");
DataContext deserializedContext = Util.cloneViaSerialization(context);
assertSame(context.getParentDataDomain(), deserializedContext.getParentDataDomain());
// there should be only one object registered
Artist deserializedArtist =
(Artist) deserializedContext.getObjectStore().getObjectIterator().next();
assertNotNull(deserializedArtist);
// deserialized as hollow...
assertEquals(PersistenceState.MODIFIED, deserializedArtist.getPersistenceState());
assertFalse(deserializedArtist.getObjectId().isTemporary());
assertEquals("artist2", deserializedArtist.getArtistName());
assertSame(deserializedContext, deserializedArtist.getObjectContext());
}
public void testSerializeNew() throws Exception {
Artist artist = (Artist) context.newObject("Artist");
artist.setArtistName("artist1");
assertNotNull(artist.getObjectId());
DataContext deserializedContext = Util.cloneViaSerialization(context);
assertSame(context.getParentDataDomain(), deserializedContext.getParentDataDomain());
// there should be only one object registered
Artist deserializedArtist =
(Artist) deserializedContext.getObjectStore().getObjectIterator().next();
assertNotNull(deserializedArtist);
assertEquals(PersistenceState.NEW, deserializedArtist.getPersistenceState());
assertTrue(deserializedArtist.getObjectId().isTemporary());
assertEquals("artist1", deserializedArtist.getArtistName());
assertSame(deserializedContext, deserializedArtist.getObjectContext());
}
public void testSerializeWithLocalCache() throws Exception {
createSingleArtistDataSet();
// manually assemble a DataContext with local cache....
DataDomain domain = context.getParentDataDomain();
DataRowStore snapshotCache =
new DataRowStore(domain.getName(), domain.getProperties(), domain.getEventManager());
Map<Object, Persistent> map = new HashMap<Object, Persistent>();
DataContext localCacheContext = new DataContext(domain, new ObjectStore(snapshotCache, map));
localCacheContext.setValidatingObjectsOnCommit(domain.isValidatingObjectsOnCommit());
localCacheContext.setUsingSharedSnapshotCache(false);
assertNotSame(
domain.getSharedSnapshotCache(), localCacheContext.getObjectStore().getDataRowCache());
DataContext deserializedContext = Util.cloneViaSerialization(localCacheContext);
assertNotSame(localCacheContext, deserializedContext);
assertNotSame(localCacheContext.getObjectStore(), deserializedContext.getObjectStore());
assertSame(localCacheContext.getParentDataDomain(), deserializedContext.getParentDataDomain());
assertNotSame(
localCacheContext.getObjectStore().getDataRowCache(),
deserializedContext.getObjectStore().getDataRowCache());
assertNotSame(
deserializedContext.getParentDataDomain().getSharedSnapshotCache(),
deserializedContext.getObjectStore().getDataRowCache());
Artist a = Cayenne.objectForPK(deserializedContext, Artist.class, 33001);
assertNotNull(a);
a.setArtistName(a.getArtistName() + "___");
// this blows per CAY-796
deserializedContext.commitChanges();
}
public void testSerializeWithSharedCache() throws Exception {
createSingleArtistDataSet();
DataContext deserializedContext = Util.cloneViaSerialization(context);
assertNotSame(context, deserializedContext);
assertNotSame(context.getObjectStore(), deserializedContext.getObjectStore());
assertSame(context.getParentDataDomain(), deserializedContext.getParentDataDomain());
assertSame(
context.getObjectStore().getDataRowCache(),
deserializedContext.getObjectStore().getDataRowCache());
assertSame(
deserializedContext.getParentDataDomain().getSharedSnapshotCache(),
deserializedContext.getObjectStore().getDataRowCache());
assertNotNull(deserializedContext.getEntityResolver());
assertSame(context.getEntityResolver(), deserializedContext.getEntityResolver());
Artist a = Cayenne.objectForPK(deserializedContext, Artist.class, 33001);
assertNotNull(a);
a.setArtistName(a.getArtistName() + "___");
deserializedContext.commitChanges();
}