| /* |
| * Copyright (c) 2014, 2021 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 v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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.PARENT_TO_CHILD; |
| |
| public class HierarchicalOneToOneInverseTest extends HierarchicalQueryTest { |
| |
| @Override |
| public Vector<Employee> expectedResults() { |
| Vector<Employee> v = new Vector<>(); |
| Employee norman = (Employee) getSession().readObject(Employee.class, new ExpressionBuilder().get("firstName").equal("Norman")); |
| v.addElement(norman); |
| return v; |
| } |
| |
| @Override |
| public ReadAllQuery getQuery() { |
| ReadAllQuery query = new ReadAllQuery(Employee.class); |
| ExpressionBuilder builder = new ExpressionBuilder(); |
| Expression startWith = builder.get("firstName").equal("Norman"); |
| Expression connectBy = builder.get("manager"); |
| // Default direction for OneToOne is CHILD_TO_PARENT |
| query.setHierarchicalQueryClause(startWith, connectBy, null, PARENT_TO_CHILD); |
| return query; |
| } |
| |
| } |