content: /*****************************************************************
   *   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
   *
   *    https://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 org.apache.cayenne.Cayenne;
  import org.apache.cayenne.ObjectContext;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.exp.ExpressionFactory;
  import org.apache.cayenne.query.ObjectSelect;
  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.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.sql.Timestamp;
  import java.util.List;
  
  import static org.junit.Assert.assertEquals;
  
  @UseCayenneRuntime(CayenneProjects.TESTMAP_PROJECT)
  public class DataContextJoinAliasesIT extends RuntimeCase {
      
      @Inject
      ObjectContext context;
      
      @Inject
      DBHelper dbHelper;
      
      protected TableHelper tArtist;
      protected TableHelper tExhibit;
      protected TableHelper tGallery;
      protected TableHelper tArtistExhibit;
  
      @Before
      public void setUp() throws Exception {
          tArtist = new TableHelper(dbHelper, "ARTIST");
          tArtist.setColumns("ARTIST_ID", "ARTIST_NAME");
          
          tExhibit = new TableHelper(dbHelper, "EXHIBIT");
          tExhibit.setColumns("EXHIBIT_ID", "GALLERY_ID", "OPENING_DATE", "CLOSING_DATE");
          
          tGallery = new TableHelper(dbHelper, "GALLERY");
          tGallery.setColumns("GALLERY_ID", "GALLERY_NAME");
          
          tArtistExhibit = new TableHelper(dbHelper, "ARTIST_EXHIBIT");
          tArtistExhibit.setColumns("EXHIBIT_ID", "ARTIST_ID");
      }
      
      protected void createMatchAllDataSet() throws Exception {
          tArtist.insert(1, "Picasso");
          tArtist.insert(2, "Dali");
          tArtist.insert(3, "X");
          tArtist.insert(4, "Y");
          tGallery.insert(1, "G1");
          tGallery.insert(2, "G2");
          tGallery.insert(3, "G3");
          
          Timestamp now = new Timestamp(System.currentTimeMillis());
          
          tExhibit.insert(1, 2, now, now);
          tExhibit.insert(2, 2, now, now);
          tExhibit.insert(3, 1, now, now);
          tExhibit.insert(4, 1, now, now);
          tExhibit.insert(5, 3, now, now);
          
          tArtistExhibit.insert(1, 1);
          tArtistExhibit.insert(1, 3);
          tArtistExhibit.insert(3, 1);
          tArtistExhibit.insert(4, 2);
          tArtistExhibit.insert(4, 4);
          tArtistExhibit.insert(5, 2);
      }
  
      @Test
      public void testMatchAll() throws Exception {
          // select all galleries that have exhibits by both Picasso and Dali...
  
          createMatchAllDataSet();
  
          Artist picasso = Cayenne.objectForPK(context, Artist.class, 1);
          Artist dali = Cayenne.objectForPK(context, Artist.class, 2);
  
          List<Gallery> galleries = ObjectSelect.query(Gallery.class)
                  .where(ExpressionFactory.matchAllExp("|exhibitArray.artistExhibitArray.toArtist", picasso, dali))
                  .select(context);
  
          assertEquals(1, galleries.size());
          assertEquals("G1", galleries.get(0).getGalleryName());
  
      }
  
  }
  