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* to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne;
import java.util.List;
import org.apache.cayenne.configuration.server.ServerRuntime;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.query.SelectQuery;
import org.apache.cayenne.test.jdbc.DBHelper;
import org.apache.cayenne.test.jdbc.TableHelper;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.testdo.testmap.Gallery;
import org.apache.cayenne.testdo.testmap.Painting;
import org.apache.cayenne.testdo.testmap.ROPainting;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
@UseServerRuntime(ServerCase.TESTMAP_PROJECT)
public class CDOMany2OneTest extends ServerCase {
@Inject
private ServerRuntime runtime;
@Inject
private ObjectContext context;
@Inject
private DBHelper dbHelper;
protected TableHelper tArtist;
protected TableHelper tPainting;
protected TableHelper tGallery;
@Override
protected void setUpAfterInjection() throws Exception {
dbHelper.deleteAll("PAINTING_INFO");
dbHelper.deleteAll("PAINTING");
dbHelper.deleteAll("ARTIST_EXHIBIT");
dbHelper.deleteAll("ARTIST_GROUP");
dbHelper.deleteAll("ARTIST");
dbHelper.deleteAll("EXHIBIT");
dbHelper.deleteAll("GALLERY");
tArtist = new TableHelper(dbHelper, "ARTIST");
tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
tPainting = new TableHelper(dbHelper, "PAINTING");
tPainting.setColumns("PAINTING_ID", "PAINTING_TITLE", "ARTIST_ID", "GALLERY_ID");
tGallery = new TableHelper(dbHelper, "GALLERY");
tGallery.setColumns("GALLERY_ID", "GALLERY_NAME");
}
private void createArtistWithPaintingDataSet() throws Exception {
tArtist.insert(8, "aX");
tPainting.insert(6, "pW", 8, null);
}
private void createArtistWithPaintingsInGalleryDataSet() throws Exception {
tArtist.insert(8, "aX");
tGallery.insert(11, "Ge");
tPainting.insert(6, "pW1", 8, 11);
tPainting.insert(7, "pW2", 8, 11);
}
public void testReadRO1() throws Exception {
createArtistWithPaintingDataSet();
Artist a1 = Cayenne.objectForPK(context, Artist.class, 8);
Expression e = ExpressionFactory.matchExp(ROPainting.TO_ARTIST_PROPERTY, a1);
SelectQuery q = new SelectQuery(ROPainting.class, e);
List<ROPainting> paints = context.performQuery(q);
assertEquals(1, paints.size());
ROPainting rop1 = paints.get(0);
assertSame(a1, rop1.getToArtist());
}
public void testReadRO2() throws Exception {
createArtistWithPaintingDataSet();
Artist a1 = Cayenne.objectForPK(context, Artist.class, 8);
Expression e = ExpressionFactory.matchExp(ROPainting.TO_ARTIST_PROPERTY, a1);
SelectQuery q = new SelectQuery(ROPainting.class, e);
List<ROPainting> paints = context.performQuery(q);
assertEquals(1, paints.size());
ROPainting rop1 = paints.get(0);
assertNotNull(rop1.getToArtist());
// trigger fetch
rop1.getToArtist().getArtistName();
assertEquals(PersistenceState.COMMITTED, rop1.getToArtist().getPersistenceState());
}
public void testSelectViaRelationship() throws Exception {
createArtistWithPaintingDataSet();
Artist a1 = Cayenne.objectForPK(context, Artist.class, 8);
Painting p1 = Cayenne.objectForPK(context, Painting.class, 6);
Expression e = ExpressionFactory.matchExp(Painting.TO_ARTIST_PROPERTY, a1);
SelectQuery q = new SelectQuery(Painting.class, e);
List<Painting> paints = context.performQuery(q);
assertEquals(1, paints.size());
assertSame(p1, paints.get(0));
}
public void testSelectViaMultiRelationship() throws Exception {
createArtistWithPaintingsInGalleryDataSet();
Artist a1 = Cayenne.objectForPK(context, Artist.class, 8);
Gallery g1 = Cayenne.objectForPK(context, Gallery.class, 11);
Expression e = ExpressionFactory.matchExp("paintingArray.toGallery", g1);
SelectQuery q = new SelectQuery("Artist", e);
List<Artist> artists = context.performQuery(q);
assertEquals(1, artists.size());
assertSame(a1, artists.get(0));
}
public void testNewAdd() throws Exception {
Artist a1 = context.newObject(Artist.class);
a1.setArtistName("bL");
Painting p1 = context.newObject(Painting.class);
p1.setPaintingTitle("xa");
p1.setToArtist(a1);
assertSame(a1, p1.getToArtist());
assertEquals(1, a1.getPaintingArray().size());
assertSame(p1, a1.getPaintingArray().get(0));
context.commitChanges();
assertEquals(Cayenne.longPKForObject(a1), tArtist.getLong("ARTIST_ID"));
assertEquals(Cayenne.longPKForObject(a1), tPainting.getLong("ARTIST_ID"));
}
public void testRemove() throws Exception {
Painting p1 = context.newObject(Painting.class);
p1.setPaintingTitle("xa");
Gallery g1 = context.newObject(Gallery.class);
g1.setGalleryName("yT");
p1.setToGallery(g1);
// do save
context.commitChanges();
ObjectContext context2 = runtime.getContext();
// test database data
Painting p2 = (Painting) Cayenne.objectForQuery(context2, new SelectQuery(
Painting.class));
Gallery g2 = p2.getToGallery();
p2.setToGallery(null);
// test before save
assertEquals(0, g2.getPaintingArray().size());
assertNull(p2.getToGallery());
// do save II
context2.commitChanges();
ObjectContext context3 = runtime.getContext();
Painting p3 = (Painting) Cayenne.objectForQuery(context3, new SelectQuery(
Painting.class));
assertNull(p3.getToGallery());
}
public void testReplace() throws Exception {
Painting p1 = context.newObject(Painting.class);
p1.setPaintingTitle("xa");
Gallery g1 = context.newObject(Gallery.class);
g1.setGalleryName("yTW");
p1.setToGallery(g1);
context.commitChanges();
ObjectContext context2 = runtime.getContext();
// test database data
Painting p2 = (Painting) Cayenne.objectForQuery(context2, new SelectQuery(
Painting.class));
Gallery g21 = p2.getToGallery();
assertNotNull(g21);
assertEquals("yTW", g21.getGalleryName());
assertEquals(1, g21.getPaintingArray().size());
assertSame(p2, g21.getPaintingArray().get(0));
Gallery g22 = context2.newObject(Gallery.class);
g22.setGalleryName("rE");
p2.setToGallery(g22);
// test before save
assertEquals(0, g21.getPaintingArray().size());
assertEquals(1, g22.getPaintingArray().size());
assertSame(p2, g22.getPaintingArray().get(0));
// do save II
context2.commitChanges();
ObjectContext context3 = runtime.getContext();
Painting p3 = (Painting) Cayenne.objectForQuery(context3, new SelectQuery(
Painting.class));
Gallery g3 = p3.getToGallery();
assertNotNull(g3);
assertEquals("rE", g3.getGalleryName());
assertEquals(1, g3.getPaintingArray().size());
assertSame(p3, g3.getPaintingArray().get(0));
}
public void testSavedAdd() throws Exception {
Painting p1 = context.newObject(Painting.class);
p1.setPaintingTitle("xa");
assertTrue(context.hasChanges());
// do save
context.commitChanges();
ObjectContext context2 = runtime.getContext();
// test database data
Painting p2 = (Painting) Cayenne.objectForQuery(context2, new SelectQuery(
Painting.class));
assertNull(p2.getToGallery());
Gallery g2 = context2.newObject(Gallery.class);
g2.setGalleryName("rE");
p2.setToGallery(g2);
// test before save
assertEquals(1, g2.getPaintingArray().size());
assertSame(p2, g2.getPaintingArray().get(0));
// do save II
context2.commitChanges();
ObjectContext context3 = runtime.getContext();
Painting p3 = (Painting) Cayenne.objectForQuery(context3, new SelectQuery(
Painting.class));
Gallery g3 = p3.getToGallery();
assertNotNull(g3);
assertEquals("rE", g3.getGalleryName());
assertEquals(1, g3.getPaintingArray().size());
assertSame(p3, g3.getPaintingArray().get(0));
}
}