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package org.apache.cayenne;
import org.apache.cayenne.access.DataContext;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.testdo.testmap.Artist;
import org.apache.cayenne.unit.CayenneCase;
/**
* This test case ensures that PK pre-generated for the entity manually before commit is
* used during commit as well.
*
*/
// TODO: 1/16/2006 - the algorithm used to generate the PK may be included in
// DataObjectUtils to pull the PK on demand. A caveat - we need to analyze DataObject in
// question to see if a PK is numeric and not propagated.
public class PregeneratedPKTest extends CayenneCase {
@Override
protected void setUp() throws Exception {
super.setUp();
deleteTestData();
}
public void testLongPk() throws Exception {
DataContext context = createDataContext();
Artist a = context.newObject(Artist.class);
a.setArtistName("XXX");
updateId(context, a.getObjectId());
Object pk = a.getObjectId().getReplacementIdMap().get(Artist.ARTIST_ID_PK_COLUMN);
assertNotNull(pk);
assertEquals(pk, Cayenne.longPKForObject(a));
context.commitChanges();
Object pkAfterCommit = a.getObjectId().getIdSnapshot().get(
Artist.ARTIST_ID_PK_COLUMN);
assertEquals(pk, pkAfterCommit);
}
void updateId(DataContext context, ObjectId id) throws Exception {
DbEntity entity = context.getEntityResolver().getDbEntity("ARTIST");
DataNode node = context.getParentDataDomain().lookupDataNode(entity.getDataMap());
Object pk = node.getAdapter().getPkGenerator().generatePk(
node,
entity.getPrimaryKeys().iterator().next());
id.getReplacementIdMap().put(Artist.ARTIST_ID_PK_COLUMN, pk);
}
}