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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.tuscany.das.rdb.test;
import org.apache.tuscany.das.rdb.ApplyChangesCommand;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.test.data.BookData;
import org.apache.tuscany.das.rdb.test.framework.DasTest;
import commonj.sdo.DataObject;
public class OCCTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new BookData(getAutoConnection()).refresh();
}
public void testSimpleOCC() throws Exception {
//Read a book instance
Command select = Command.FACTORY.createCommand("SELECT * FROM BOOK WHERE BOOK_ID = 1");
select.setConnection(getConnection());
DataObject root = select.executeQuery();
DataObject book = root.getDataObject("BOOK[1]");
//Change a field to mark the instance 'dirty'
book.setInt("QUANTITY", 2);
// Explicitly change OCC column in database to force collision
Command update = Command.FACTORY
.createCommand("update BOOK set OCC = :OCC where BOOK_ID = 1");
update.setConnection(getConnection());
update.setParameterValue("OCC", new Integer(100));
update.execute();
//Try to flush the change
ApplyChangesCommand apply = Command.FACTORY.createApplyChangesCommand(getConfig("BooksConfig.xml"));
apply.setConnection(getConnection());
try {
apply.execute(root);
fail("An OCCException should be thrown");
} catch (RuntimeException ex) {
if ( !ex.getMessage().equals("OCC Exception") )
throw ex;
}
}
}
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