/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
****************************************************************/
package org.apache.cayenne.access;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import org.apache.art.Artist;
import org.apache.art.Gallery;
import org.apache.art.Painting;
import org.apache.cayenne.DataObject;
import org.apache.cayenne.DataObjectUtils;
import org.apache.cayenne.DataRow;
import org.apache.cayenne.MockDataObject;
import org.apache.cayenne.ObjectId;
import org.apache.cayenne.unit.CayenneCase;
/**
*/
public class ObjectStoreTest extends CayenneCase {
public void testRegisteredObjectsCount() throws Exception {
DataContext context = createDataContext();
assertEquals(0, context.getObjectStore().registeredObjectsCount());
DataObject o1 = new MockDataObject();
o1.setObjectId(new ObjectId("T", "key1", "v1"));
context.getObjectStore().registerNode(o1.getObjectId(), o1);
assertEquals(1, context.getObjectStore().registeredObjectsCount());
// test object with same id
DataObject o2 = new MockDataObject();
o2.setObjectId(new ObjectId("T", "key1", "v1"));
context.getObjectStore().registerNode(o2.getObjectId(), o2);
assertEquals(1, context.getObjectStore().registeredObjectsCount());
// test new object
DataObject o3 = new MockDataObject();
o3.setObjectId(new ObjectId("T", "key3", "v3"));
context.getObjectStore().registerNode(o3.getObjectId(), o3);
assertEquals(2, context.getObjectStore().registeredObjectsCount());
}
/**
* @deprecated since 3.0
*/
public void testCachedQueriesCount() throws Exception {
DataContext context = createDataContext();
assertEquals(0, context.getObjectStore().cachedQueriesCount());
context.getObjectStore().cacheQueryResult("result", new ArrayList());
assertEquals(1, context.getObjectStore().cachedQueriesCount());
// test refreshing the cache
context.getObjectStore().cacheQueryResult("result", new ArrayList());
assertEquals(1, context.getObjectStore().cachedQueriesCount());
// test new entry
context.getObjectStore().cacheQueryResult("result2", new ArrayList());
assertEquals(2, context.getObjectStore().cachedQueriesCount());
}
/**
* @deprecated since 3.0
*/
public void testCachedQueryResult() throws Exception {
DataContext context = createDataContext();
assertNull(context.getObjectStore().getCachedQueryResult("result"));
List result = new ArrayList();
context.getObjectStore().cacheQueryResult("result", result);
assertSame(result, context.getObjectStore().getCachedQueryResult("result"));
// test refreshing the cache
List freshResult = new ArrayList();
context.getObjectStore().cacheQueryResult("result", freshResult);
assertSame(freshResult, context.getObjectStore().getCachedQueryResult("result"));
}
public void testObjectsUnregistered() throws Exception {
DataContext context = createDataContext();
DataRow row = new DataRow(10);
row.put("ARTIST_ID", new Integer(1));
row.put("ARTIST_NAME", "ArtistXYZ");
row.put("DATE_OF_BIRTH", new Date());
DataObject object = context.objectFromDataRow(Artist.class, row, false);
ObjectId oid = object.getObjectId();
// insert object into the ObjectStore
context.getObjectStore().registerNode(oid, object);
assertSame(object, context.getObjectStore().getNode(oid));
assertNotNull(context.getObjectStore().getCachedSnapshot(oid));
context.getObjectStore().objectsUnregistered(Collections.singletonList(object));
assertNull(object.getObjectId());
assertNull(context.getObjectStore().getNode(oid));
// in the future this may not be the case
assertNull(context.getObjectStore().getCachedSnapshot(oid));
}
public void testUnregisterThenRegister() throws Exception {
DataContext context = createDataContext();
// Create a gallery.
Gallery g = context.newObject(Gallery.class);
g.setGalleryName("Test Gallery");
// Create an artist in the same context.
Artist a = context.newObject(Artist.class);
a.setArtistName("Test Artist");
// Create a painting in the same context.
Painting p = context.newObject(Painting.class);
p.setPaintingTitle("Test Painting");
// Set the painting's gallery.
p.setToGallery(g);
assertEquals(g, p.getToGallery());
// Unregister the painting from the context.
context.unregisterObjects(Collections.singletonList(p));
// Make sure that even though the painting has been removed from the context's
// object graph that the reference to the gallery is the same.
assertEquals(g, p.getToGallery());
// Now, set the relationship between "p" & "a." Since "p" is not registered with a
// context, but "a" is, "p" should be auto-registered with the context of "a."
p.setToArtist(a);
// Now commit the gallery, artist, & painting.
context.commitChanges();
// Check one last time that the painting's gallery is set to what we expect.
assertEquals(g, p.getToGallery());
// Now, retrieve the same painting from the DB. Note that the gallery relationship
// is null even though according to our painting, that should not be the case; a
// NULL
// value has been recorded to the DB for the painting's gallery_id field.
//
// The full object graph is not being re-registered during auto-registration
// with the context.
Painting newP = (Painting) DataObjectUtils.objectForPK(createDataContext(), p
.getObjectId());
assertNotNull(newP.getToGallery());
}
}