OPENJPA-1604: Committing test changes. Code contributed by Pinaki Poddar and Rick Curtis

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@932105 13f79535-47bb-0310-9956-ffa450edef68

openjpa-persistence-locking/src/test/java/org/apache/openjpa/persistence/lockmgr/LockEmployee.java

@@ -25,14 +25,18 @@ import java.io.ObjectOutput;
 
 import javax.persistence.Entity;
 import javax.persistence.Id;
+import javax.persistence.LockModeType;
+import javax.persistence.NamedQueries;
 import javax.persistence.NamedQuery;
 import javax.persistence.Version;
 
-@NamedQuery(
-        name="findEmployeeById"
-        , query="SELECT c FROM LockEmployee c WHERE c.id = :id"
-        )
-
+@NamedQueries( {
+    @NamedQuery(name = "findEmployeeById", 
+        query = "SELECT c FROM LockEmployee c WHERE c.id = :id"),
+    @NamedQuery(name = "findEmployeeByIdWithLock", 
+        query = "SELECT c FROM LockEmployee c WHERE c.id = :id", lockMode = LockModeType.PESSIMISTIC_READ),
+    @NamedQuery(name = "findEmployeeByIdWithNoLock", 
+        query = "SELECT c FROM LockEmployee c WHERE c.id = :id", lockMode = LockModeType.NONE) })
 @Entity
 public class LockEmployee implements Externalizable {
 

openjpa-persistence-locking/src/test/java/org/apache/openjpa/persistence/lockmgr/TestNamedQueryLockMode.java

@@ -0,0 +1,102 @@
+/*
+ * 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.Query;
+
+import org.apache.openjpa.persistence.TransactionRequiredException;
+import org.apache.openjpa.persistence.test.AllowFailure;
+import org.apache.openjpa.persistence.test.SQLListenerTestCase;
+
+/**
+ * Tests the lock mode on named query emits a FOR UPDATE clause in target SQL
+ * query.
+ * 
+ * 
+ */
+public class TestNamedQueryLockMode extends SQLListenerTestCase {
+    public void setUp() {
+        super.setUp(CLEAR_TABLES, LockEmployee.class, 
+            "openjpa.LockManager", "pessimistic", 
+            "openjpa.Optimistic", "false"
+            );
+    }
+
+    public void testForUpdateClausePresentInNamedQueryWithLockMode() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        assertClausePresentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id", 0));
+        em.getTransaction().rollback();
+        em.getTransaction().begin();
+        assertClausePresentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id", 0));
+        em.getTransaction().rollback();
+        em.getTransaction().begin();
+        assertClausePresentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id", 0));
+        em.getTransaction().rollback();
+    }
+
+    @AllowFailure
+    public void testNamedQueryWithLockModeMustExecuteInTransaction() {
+        EntityManager em = emf.createEntityManager();
+        // execute without a transaction
+         try {
+         em.createNamedQuery("findEmployeeByIdWithLock").setParameter("id",
+         0).getResultList();
+         fail("Expected " + TransactionRequiredException.class.getName());
+         } catch (TransactionRequiredException e) {
+         // Expected
+         }
+    }
+
+    public void testForUpdateClausePresentInQueryWithDefault() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        assertClausePresentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeById").setParameter("id", 0));
+        assertClausePresentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeById").setParameter("id", 0));
+        em.getTransaction().commit();
+    }
+
+    @AllowFailure
+    public void testForUpdateClauseAbsentInQueryWithExplictNoLock() {
+        EntityManager em = emf.createEntityManager();
+        em.getTransaction().begin();
+        assertClauseAbsentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeByIdWithNoLock").setParameter("id", 0));
+        assertClauseAbsentInSQL("FOR UPDATE", em.createNamedQuery("findEmployeeByIdWithNoLock").setParameter("id", 0));
+        em.getTransaction().commit();
+    }
+
+    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);
+    }
+}