| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.openjpa.persistence.jdbc.maps.spec_10_1_27_ex3; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.EntityManagerFactory; |
| import javax.persistence.EntityTransaction; |
| import javax.persistence.Query; |
| |
| import org.apache.openjpa.kernel.QueryImpl; |
| import org.apache.openjpa.persistence.test.AllowFailure; |
| import org.apache.openjpa.persistence.test.SQLListenerTestCase; |
| |
| import junit.framework.Assert; |
| |
| public class TestSpec10_1_27_Ex3 extends SQLListenerTestCase { |
| public int numCompany = 2; |
| public int numDivisionsPerCo = 2; |
| public List<String> namedQueries = new ArrayList<>(); |
| |
| public int compId = 1; |
| public int divId = 1; |
| public int vpId = 1; |
| public int newDivId = 100; |
| public int newVpId = 100; |
| public List rsAllCompany = null; |
| |
| @Override |
| public void setUp() { |
| super.setUp(CLEAR_TABLES, |
| Company.class, |
| Division.class, |
| VicePresident.class); |
| createObj(emf); |
| rsAllCompany = getAll(Company.class); |
| } |
| |
| public void testQueryObj() throws Exception { |
| queryObj(emf); |
| } |
| |
| @AllowFailure |
| public void testQueryInMemoryQualifiedId() throws Exception { |
| queryQualifiedId(true); |
| } |
| |
| public void testQueryQualifiedId() throws Exception { |
| queryQualifiedId(false); |
| } |
| |
| public void setCandidate(Query q, Class clz) |
| throws Exception { |
| org.apache.openjpa.persistence.QueryImpl q1 = |
| (org.apache.openjpa.persistence.QueryImpl) q; |
| org.apache.openjpa.kernel.Query q2 = q1.getDelegate(); |
| org.apache.openjpa.kernel.QueryImpl qi = (QueryImpl) q2; |
| if (clz == Company.class) |
| qi.setCandidateCollection(rsAllCompany); |
| } |
| |
| public void queryQualifiedId(boolean inMemory) throws Exception { |
| EntityManager em = emf.createEntityManager(); |
| |
| String query = "select KEY(e) from Company c, " + |
| " in (c.orgs) e order by c.id"; |
| Query q = em.createQuery(query); |
| if (inMemory) |
| setCandidate(q, Company.class); |
| List rs = q.getResultList(); |
| Division d = (Division) rs.get(0); |
| |
| em.clear(); |
| query = "select ENTRY(e) from Company c, " + |
| " in (c.orgs) e order by c.id"; |
| q = em.createQuery(query); |
| if (inMemory) |
| setCandidate(q, Company.class); |
| rs = q.getResultList(); |
| Map.Entry me = (Map.Entry) rs.get(0); |
| |
| Division other = (Division) me.getKey(); |
| assertEquals(d.getId(), other.getId()); |
| assertEquals(d.getName(), other.getName()); |
| |
| em.clear(); |
| query = "select KEY(e) from Company c " + |
| " left join c.orgs e order by c.id"; |
| q = em.createQuery(query); |
| if (inMemory) |
| setCandidate(q, Company.class); |
| rs = q.getResultList(); |
| d = (Division) rs.get(0); |
| |
| em.clear(); |
| query = "select ENTRY(e) from Company c " + |
| " left join c.orgs e order by c.id"; |
| q = em.createQuery(query); |
| if (inMemory) |
| setCandidate(q, Company.class); |
| rs = q.getResultList(); |
| me = (Map.Entry) rs.get(0); |
| |
| assertEquals(d, me.getKey()); |
| |
| em.close(); |
| } |
| |
| public void createObj(EntityManagerFactory emf) { |
| EntityManager em = emf.createEntityManager(); |
| EntityTransaction tran = em.getTransaction(); |
| for (int i = 0; i < numCompany; i++) |
| createCompany(em, compId++); |
| tran.begin(); |
| em.flush(); |
| tran.commit(); |
| em.close(); |
| } |
| |
| public void createCompany(EntityManager em, int id) { |
| Company c = new Company(); |
| c.setId(id); |
| for (int i = 0; i < numDivisionsPerCo; i++) { |
| Division d = createDivision(em, divId++); |
| VicePresident vp = createVicePresident(em, vpId++); |
| c.addToOrganization(d, vp); |
| vp.setCompany(c); |
| em.persist(d); |
| em.persist(vp); |
| } |
| em.persist(c); |
| } |
| |
| public Division createDivision(EntityManager em, int id) { |
| Division d = new Division(); |
| d.setId(id); |
| d.setName("d" + id); |
| return d; |
| } |
| |
| public VicePresident createVicePresident(EntityManager em, int id) { |
| VicePresident vp = new VicePresident(); |
| vp.setId(id); |
| vp.setName("vp" + id); |
| return vp; |
| } |
| |
| public void findObj(EntityManagerFactory emf) { |
| EntityManager em = emf.createEntityManager(); |
| Company c = em.find(Company.class, 1); |
| assertCompany(c); |
| |
| Division d = em.find(Division.class, 1); |
| assertDivision(d); |
| |
| VicePresident vp = em.find(VicePresident.class, 1); |
| assertVicePresident(vp); |
| |
| updateObj(em, c); |
| em.close(); |
| |
| em = emf.createEntityManager(); |
| c = em.find(Company.class, 1); |
| assertCompany(c); |
| deleteObj(em, c); |
| em.close(); |
| } |
| |
| public void updateObj(EntityManager em, Company c) { |
| EntityTransaction tran = em.getTransaction(); |
| // remove an element |
| tran.begin(); |
| Map orgs = c.getOrganization(); |
| Set keys = orgs.keySet(); |
| for (Object key : keys) { |
| Division d = (Division) key; |
| VicePresident vp = c.getOrganization(d); |
| vp.setCompany(null); |
| em.persist(vp); |
| c.removeFromOrganization(d); |
| break; |
| } |
| em.persist(c); |
| em.flush(); |
| tran.commit(); |
| |
| // add an element |
| tran.begin(); |
| Division d = createDivision(em, newDivId++); |
| VicePresident vp = createVicePresident(em, newVpId++); |
| c.addToOrganization(d, vp); |
| vp.setCompany(c); |
| em.persist(d); |
| em.persist(vp); |
| em.persist(c); |
| em.flush(); |
| tran.commit(); |
| |
| // modify an element |
| tran.begin(); |
| orgs = c.getOrganization(); |
| vp = c.getOrganization(d); |
| vp.setName("newNameAgain"); |
| em.persist(c); |
| em.persist(vp); |
| em.flush(); |
| tran.commit(); |
| } |
| |
| public void deleteObj(EntityManager em, Company c) { |
| EntityTransaction tran = em.getTransaction(); |
| tran.begin(); |
| em.remove(c); |
| tran.commit(); |
| } |
| |
| public void assertCompany(Company c) { |
| int id = c.getId(); |
| Map organization = c.getOrganization(); |
| Assert.assertEquals(2,organization.size()); |
| } |
| |
| public void assertDivision(Division d) { |
| int id = d.getId(); |
| String name = d.getName(); |
| } |
| |
| public void assertVicePresident(VicePresident vp) { |
| int id = vp.getId(); |
| String name = vp.getName(); |
| } |
| |
| |
| public void queryObj(EntityManagerFactory emf) { |
| queryCompany(emf); |
| queryDivision(emf); |
| queryVicePresident(emf); |
| } |
| |
| public void queryCompany(EntityManagerFactory emf) { |
| EntityManager em = emf.createEntityManager(); |
| EntityTransaction tran = em.getTransaction(); |
| tran.begin(); |
| Query q = em.createQuery("select c from Company c"); |
| List<Company> cs = q.getResultList(); |
| for (Company c : cs){ |
| assertCompany(c); |
| } |
| tran.commit(); |
| em.close(); |
| } |
| |
| public void queryDivision(EntityManagerFactory emf) { |
| EntityManager em = emf.createEntityManager(); |
| EntityTransaction tran = em.getTransaction(); |
| tran.begin(); |
| Query q = em.createQuery("select d from Division d"); |
| List<Division> ds = q.getResultList(); |
| for (Division d : ds){ |
| assertDivision(d); |
| } |
| tran.commit(); |
| em.close(); |
| } |
| |
| public void queryVicePresident(EntityManagerFactory emf) { |
| EntityManager em = emf.createEntityManager(); |
| EntityTransaction tran = em.getTransaction(); |
| tran.begin(); |
| Query q = em.createQuery("select vp from VicePresident vp"); |
| List<VicePresident> vps = q.getResultList(); |
| for (VicePresident vp : vps){ |
| assertVicePresident(vp); |
| } |
| tran.commit(); |
| em.close(); |
| } |
| } |