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package org.apache.cayenne.access;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.PersistenceState;
import org.apache.cayenne.di.Inject;
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.Painting;
import org.apache.cayenne.testdo.testmap.PaintingInfo;
import org.apache.cayenne.unit.di.server.CayenneProjects;
import org.apache.cayenne.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
import org.junit.Test;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* A test case for CAY-788.
*/
@UseServerRuntime(CayenneProjects.TESTMAP_PROJECT)
public class DataContextPrefetchExtras1IT extends ServerCase {
@Inject
protected ObjectContext context;
@Inject
protected DBHelper dbHelper;
protected void createDataSet() throws Exception {
TableHelper tPainting = new TableHelper(dbHelper, "PAINTING");
tPainting.setColumns("PAINTING_ID", "PAINTING_TITLE");
TableHelper tPaintingInfo = new TableHelper(dbHelper, "PAINTING_INFO");
tPaintingInfo.setColumns("PAINTING_ID", "TEXT_REVIEW");
for (int i = 1; i <= 10; i++) {
tPainting.insert(i, "P" + i);
tPaintingInfo.insert(i, "Review #" + i);
}
}
@Test
public void testPrefetchToOne() throws Exception {
createDataSet();
SelectQuery query = new SelectQuery(Painting.class);
query.addPrefetch(Painting.TO_PAINTING_INFO.disjoint());
List<Painting> objects = context.performQuery(query);
assertTrue(!objects.isEmpty());
for (Painting p : objects) {
PaintingInfo pi = p.getToPaintingInfo();
assertEquals(PersistenceState.COMMITTED, p.getPersistenceState());
assertEquals(PersistenceState.COMMITTED, pi.getPersistenceState());
}
}
}