| /* |
| * 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.lockmgr; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.LockModeType; |
| import javax.persistence.Query; |
| |
| import org.apache.openjpa.persistence.FetchPlan; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerSPI; |
| import org.apache.openjpa.persistence.OpenJPAQuery; |
| import org.apache.openjpa.persistence.test.SQLListenerTestCase; |
| |
| /** |
| * Tests whether the lock mode on named query emits a FOR UPDATE clause in target SQL |
| * query when Optimistic=true (default), with pessimistic lock manager. |
| */ |
| public class TestOptimisticNamedQueryLockMode extends SQLListenerTestCase { |
| String lockClause = "FOR UPDATE"; |
| |
| @Override |
| protected String getPersistenceUnitName() { |
| return "locking-test"; |
| } |
| |
| @Override |
| public void setUp() { |
| super.setUp(CLEAR_TABLES, LockEmployee.class, |
| "openjpa.LockManager", "pessimistic" |
| ); |
| } |
| |
| /* |
| * Optimistic=true, but a lock mode specified - assert statement will lock. |
| */ |
| public void testForUpdateClausePresentInNamedQueryWithLockMode() { |
| EntityManager em = emf.createEntityManager(); |
| lockClause = getForUpdateClause(); |
| em.getTransaction().begin(); |
| assertClausePresentInSQL(lockClause, em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id", 0)); |
| em.getTransaction().rollback(); |
| em.getTransaction().begin(); |
| assertClausePresentInSQL(lockClause, em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id", 0)); |
| em.getTransaction().rollback(); |
| em.getTransaction().begin(); |
| assertClausePresentInSQL(lockClause, em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id", 0)); |
| em.getTransaction().rollback(); |
| em.close(); |
| } |
| |
| /* |
| * Optimistic=true, but a no lock mode specified - assert statement does not lock. |
| */ |
| public void testForUpdateClausePresentInQueryWithDefault() { |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| lockClause = getForUpdateClause(); |
| assertClauseAbsentInSQL(lockClause, em.createNamedQuery("findEmployeeById").setParameter("id", 0)); |
| assertClauseAbsentInSQL(lockClause, em.createNamedQuery("findEmployeeById").setParameter("id", 0)); |
| |
| OpenJPAEntityManager oem = (OpenJPAEntityManager)em; |
| OpenJPAQuery<?> q = oem.createNamedQuery("findEmployeeById").setParameter("id", 0); |
| FetchPlan fp = q.getFetchPlan(); |
| fp.setReadLockMode(LockModeType.NONE); |
| |
| em.getTransaction().commit(); |
| em.close(); |
| } |
| |
| /* |
| * Optimistic=true, lock mode = none set explicitly on the fetch plan. |
| */ |
| public void testForUpdateClauseAbsentInQueryWithFetchPlanNoneLockMode() { |
| OpenJPAEntityManagerSPI em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| lockClause = getForUpdateClause(); |
| OpenJPAQuery<?> q = em.createNamedQuery("findEmployeeById").setParameter("id", 0); |
| FetchPlan fp = q.getFetchPlan(); |
| fp.setReadLockMode(LockModeType.NONE); |
| assertClauseAbsentInSQL(lockClause, q); |
| |
| q = em.createNamedQuery("findEmployeeByIdWithNoLock").setParameter("id", 0); |
| fp = q.getFetchPlan(); |
| fp.setReadLockMode(LockModeType.NONE); |
| assertClauseAbsentInSQL(lockClause, q); |
| |
| em.getTransaction().commit(); |
| em.close(); |
| } |
| |
| /* |
| * Optimistic = false, explicit no locking on the named query |
| */ |
| public void testForUpdateClauseAbsentInQueryWithExplictNoLock() { |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| lockClause = getForUpdateClause(); |
| assertClauseAbsentInSQL(lockClause, em.createNamedQuery("findEmployeeByIdWithNoLock").setParameter("id", 0)); |
| assertClauseAbsentInSQL(lockClause, em.createNamedQuery("findEmployeeByIdWithNoLock").setParameter("id", 0)); |
| em.getTransaction().commit(); |
| em.close(); |
| } |
| |
| String getLastSQL() { |
| String last = sql.get(getSQLCount() - 1); |
| assertNotNull("No last sql found", last); |
| return last; |
| } |
| |
| void assertClausePresentInSQL(String clause, Query q) { |
| q.getResultList(); |
| String last = getLastSQL(); |
| assertTrue(clause + " is not present in " + last, last.toUpperCase().indexOf(clause) != -1); |
| } |
| |
| void assertClauseAbsentInSQL(String clause, Query q) { |
| q.getResultList(); |
| String last = getLastSQL(); |
| assertTrue(clause + " is not absent in " + last, last.toUpperCase().indexOf(clause) == -1); |
| } |
| } |