/*******************************************************************************
* Copyright (c) 2014, 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.oracle;
import java.util.Vector;
import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.expressions.ExpressionBuilder;
import org.eclipse.persistence.queries.ReadAllQuery;
import org.eclipse.persistence.testing.models.mapping.Employee;
import static org.eclipse.persistence.queries.ReadAllQuery.Direction.CHILD_TO_PARENT;
public class HierarchicalOneToManyInverseTest extends HierarchicalQueryTest {
public Vector expectedResults() {
Vector<Employee> v = new Vector<>();
Employee norman = (Employee) getSession().readObject(Employee.class, new ExpressionBuilder().get("firstName").equal("Norman"));
v.addElement(norman);
Employee manager = norman.getManager();
while (manager != null) {
v.addElement(manager);
manager = manager.getManager();
}
return v;
}
public ReadAllQuery getQuery() {
ReadAllQuery query = new ReadAllQuery(Employee.class);
ExpressionBuilder builder = new ExpressionBuilder();
Expression startWith = builder.get("firstName").equal("Norman");
Expression connectBy = builder.get("managedEmployees");
// Default direction for collections is PARENT_TO_CHILD
query.setHierarchicalQueryClause(startWith, connectBy, null, CHILD_TO_PARENT);
return query;
}
}