/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.testing.tests.queries.inmemory;
import java.util.Vector;
import java.util.Enumeration;
import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.testing.framework.*;
import org.eclipse.persistence.testing.models.employee.domain.*;
public class MemoryQueryAcrossOneToOneMapping extends TestCase {
protected Employee employee;
protected ReadAllQuery queryAll;
protected ReadObjectQuery queryObject;
protected java.util.Vector allEmployees;
public MemoryQueryAcrossOneToOneMapping() {
super();
}
public void reset() {
//clear the cache.
getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
}
public void setup() {
allEmployees = new Vector();
queryAll = new ReadAllQuery();
queryAll.setReferenceClass(Employee.class);
queryAll.setSelectionCriteria(new ExpressionBuilder().get("address").get("city").greaterThan("Montreal"));
getSession().removeQuery("getAllEmployees");
getSession().addQuery("getAllEmployees", queryAll);
allEmployees = (Vector)getSession().executeQuery("getAllEmployees");
for (Enumeration enumtr = allEmployees.elements(); enumtr.hasMoreElements();) {
((Employee)enumtr.nextElement()).getAddress();
//trigger all the value holders of addresses
}
}
public void test() {
//all the employees with cities that come after Montreal should be
//in the cache right now.
queryObject = new ReadObjectQuery();
queryObject.setReferenceClass(Employee.class);
queryObject.checkCacheOnly();//read from cache only
ExpressionBuilder bldr = new ExpressionBuilder();
Expression exp = bldr.get("address").get("city").equal("Ottawa");
queryObject.setSelectionCriteria(exp);
employee = (Employee)getSession().executeQuery(queryObject);
}
public void verify() {
if (!allEmployees.contains(employee)) {
throw new TestErrorException("Employee is not the same as the one in cache!");
}
}
}