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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.access;
import java.sql.Types;
import java.util.List;
import org.apache.cayenne.Cayenne;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.QueryResponse;
import org.apache.cayenne.configuration.server.ServerRuntime;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.query.EJBQLQuery;
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.unit.di.server.ServerCase;
import org.apache.cayenne.unit.di.server.UseServerRuntime;
@UseServerRuntime(ServerCase.TESTMAP_PROJECT)
public class DataContextEJBQLDeleteTest extends ServerCase {
@Inject
protected ObjectContext context;
@Inject
protected DBHelper dbHelper;
@Inject
protected ServerRuntime runtime;
protected TableHelper tPainting;
protected TableHelper tMeaningfulPKTest1Table;
@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("MEANINGFUL_PK_DEP");
dbHelper.deleteAll("MEANINGFUL_PK_TEST1");
tPainting = new TableHelper(dbHelper, "PAINTING");
tPainting.setColumns(
"PAINTING_ID",
"ARTIST_ID",
"PAINTING_TITLE",
"ESTIMATED_PRICE").setColumnTypes(
Types.INTEGER,
Types.BIGINT,
Types.VARCHAR,
Types.DECIMAL);
tMeaningfulPKTest1Table = new TableHelper(dbHelper, "MEANINGFUL_PK_TEST1");
tMeaningfulPKTest1Table.setColumns("PK_ATTRIBUTE", "DESCR");
}
protected void createPaintingsDataSet() throws Exception {
tPainting.insert(33001, null, "P1", 3000);
tPainting.insert(33002, null, "P2", 5000);
}
protected void createMeaningfulPKDataSet() throws Exception {
for (int i = 1; i <= 33; i++) {
tMeaningfulPKTest1Table.insert(i, "a" + i);
}
}
public void testDeleteNoIdVar() throws Exception {
createPaintingsDataSet();
String ejbql = "delete from Painting";
EJBQLQuery query = new EJBQLQuery(ejbql);
QueryResponse result = context.performGenericQuery(query);
int[] count = result.firstUpdateCount();
assertNotNull(count);
assertEquals(1, count.length);
assertEquals(2, count[0]);
}
public void testDeleteNoQualifier() throws Exception {
createPaintingsDataSet();
String ejbql = "delete from Painting AS p";
EJBQLQuery query = new EJBQLQuery(ejbql);
QueryResponse result = context.performGenericQuery(query);
int[] count = result.firstUpdateCount();
assertNotNull(count);
assertEquals(1, count.length);
assertEquals(2, count[0]);
}
public void testDeleteSameEntityQualifier() throws Exception {
createPaintingsDataSet();
String ejbql = "delete from Painting AS p WHERE p.paintingTitle = 'P2'";
EJBQLQuery query = new EJBQLQuery(ejbql);
QueryResponse result = context.performGenericQuery(query);
int[] count = result.firstUpdateCount();
assertNotNull(count);
assertEquals(1, count.length);
assertEquals(1, count[0]);
ObjectContext freshContext = runtime.newContext();
assertNotNull(Cayenne.objectForPK(freshContext, Painting.class, 33001));
assertNull(Cayenne.objectForPK(freshContext, Painting.class, 33002));
}
public void testDeleteIdVar() throws Exception {
createMeaningfulPKDataSet();
EJBQLQuery q = new EJBQLQuery("select m.pkAttribute from MeaningfulPKTest1 m");
List<Integer> id = context.performQuery(q);
String ejbql = "delete from MeaningfulPKTest1 m WHERE m.pkAttribute in (:id)";
EJBQLQuery query = new EJBQLQuery(ejbql);
query.setParameter("id", id);
QueryResponse result = context.performGenericQuery(query);
int[] count = result.firstUpdateCount();
assertNotNull(count);
assertEquals(1, count.length);
assertEquals(33, count[0]);
}
}