| /* |
| * Copyright (c) 1998, 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.inmemory; |
| |
| import java.util.Vector; |
| import java.util.Enumeration; |
| |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.expressions.*; |
| |
| public class MemoryQueryAcrossManyToManyAcrossOneToManyMapping extends org.eclipse.persistence.testing.framework.AutoVerifyTestCase { |
| protected Employee employee; |
| protected ReadAllQuery queryAll; |
| protected ReadAllQuery queryObjects; |
| protected ReadObjectQuery queryObject; |
| protected java.util.Vector allEmployees; |
| protected java.util.Vector employees; |
| |
| public MemoryQueryAcrossManyToManyAcrossOneToManyMapping() { |
| super(); |
| } |
| |
| @Override |
| public void reset() { |
| //clear the cache. |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| } |
| |
| /** |
| * This tests in-memory query in a convoluted way: across a many to many then a one to one and then a one to many |
| * |
| */ |
| @Override |
| public void setup() { |
| allEmployees = new Vector(); |
| employees = new Vector(); |
| Vector leaders = new Vector(); |
| queryAll = new ReadAllQuery(); |
| queryAll.setReferenceClass(Employee.class); |
| queryAll.setSelectionCriteria(new ExpressionBuilder().anyOf("projects").get("teamLeader").anyOf("phoneNumbers").get("areaCode").greaterThan("416")); |
| getSession().removeQuery("getAllEmployees"); |
| getSession().addQuery("getAllEmployees", queryAll); |
| allEmployees = getSession().readAllObjects(Employee.class); //BUG215359 test needs to trigger indirection on all employees |
| for (Enumeration enumtr = allEmployees.elements(); enumtr.hasMoreElements();) { |
| Vector projects = ((Employee)enumtr.nextElement()).getProjects(); |
| employees.addAll(projects); |
| //trigger all the value holders of projects |
| } |
| for (Enumeration enumtr = employees.elements(); enumtr.hasMoreElements();) { |
| Employee leader = (Employee)((Project)enumtr.nextElement()).getTeamLeader(); |
| if (leader != null) { |
| leaders.add(leader); |
| } |
| |
| //trigger all the value holders of teamLeaders |
| } |
| for (Enumeration enumtr = leaders.elements(); enumtr.hasMoreElements();) { |
| Vector phones = ((Employee)enumtr.nextElement()).getPhoneNumbers(); |
| Vector allPhones = new Vector(); |
| allPhones.addAll(phones); |
| |
| //trigger all the value holders of phones |
| } |
| } |
| |
| @Override |
| public void test() { |
| //all the employees who are team leaders with phonenumbers having area code greater than 416 should be |
| //in the cache right now. |
| queryObjects = new ReadAllQuery(); |
| queryObjects.setReferenceClass(Employee.class); |
| queryObjects.checkCacheOnly();//read from cache only |
| |
| ExpressionBuilder bldr = new ExpressionBuilder(); |
| Expression exp = bldr.anyOf("projects").get("teamLeader").anyOf("phoneNumbers").get("areaCode").equal("613"); |
| queryObjects.setSelectionCriteria(exp); |
| employees = (Vector)getSession().executeQuery(queryObjects); |
| |
| } |
| } |