Package org.apache.cayenne.access

Source Code of org.apache.cayenne.access.DataContextPrefetchExtras1Test

/*****************************************************************
*   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.List;

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.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;

/**
* A test case for CAY-788.
*/
@UseServerRuntime(ServerCase.TESTMAP_PROJECT)
public class DataContextPrefetchExtras1Test extends ServerCase {

    @Inject
    protected ObjectContext context;

    @Inject
    protected DBHelper dbHelper;

    @Override
    protected void setUpAfterInjection() throws Exception {
        dbHelper.deleteAll("PAINTING_INFO");
        dbHelper.deleteAll("PAINTING");
        dbHelper.deleteAll("ARTIST_EXHIBIT");
        dbHelper.deleteAll("ARTIST_GROUP");
        dbHelper.deleteAll("ARTIST");
    }

    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);
        }
    }

    public void testPrefetchToOne() throws Exception {
        createDataSet();

        SelectQuery query = new SelectQuery(Painting.class);
        query.addPrefetch(Painting.TO_PAINTING_INFO_PROPERTY);

        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());
        }
    }

}
TOP

Related Classes of org.apache.cayenne.access.DataContextPrefetchExtras1Test

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.