| /* |
| * 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.datacache; |
| |
| import java.util.Arrays; |
| import javax.persistence.EntityManager; |
| |
| import org.apache.openjpa.datacache.DataCache; |
| import org.apache.openjpa.kernel.PCData; |
| import org.apache.openjpa.meta.ClassMetaData; |
| import org.apache.openjpa.persistence.OpenJPAPersistence; |
| import org.apache.openjpa.persistence.StoreCacheImpl; |
| import org.apache.openjpa.persistence.JPAFacadeHelper; |
| import org.apache.openjpa.persistence.simple.AllFieldTypes; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| public class TestArrayFieldsInDataCache |
| extends SingleEMFTestCase { |
| |
| private static final String[] STRINGS = new String[]{ "a", "b", "c" }; |
| private static final int[] INTS = new int[]{ 1, 2, 3 }; |
| |
| private Object jpaOid; |
| private Object internalOid; |
| |
| public void setUp() { |
| setUp("openjpa.DataCache", "true", |
| "openjpa.RemoteCommitProvider", "sjvm", |
| AllFieldTypes.class); |
| |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| AllFieldTypes aft = new AllFieldTypes(); |
| aft.setArrayOfStrings(STRINGS); |
| aft.setArrayOfInts(INTS); |
| em.persist(aft); |
| em.getTransaction().commit(); |
| |
| // get the external and internal forms of the ID for cache |
| // interrogation and data validation |
| jpaOid = OpenJPAPersistence.cast(em).getObjectId(aft); |
| internalOid = JPAFacadeHelper.toBroker(em).getObjectId(aft); |
| |
| em.close(); |
| } |
| |
| public void testArrayOfStrings() { |
| // check that the data cache contains an efficient representation |
| StoreCacheImpl storeCache = (StoreCacheImpl) |
| OpenJPAPersistence.cast(emf).getStoreCache(); |
| DataCache cache = storeCache.getDelegate(); |
| PCData data = cache.get(internalOid); |
| ClassMetaData meta = JPAFacadeHelper.getMetaData(emf, |
| AllFieldTypes.class); |
| Object cachedFieldData = |
| data.getData(meta.getField("arrayOfStrings").getIndex()); |
| assertTrue(cachedFieldData.getClass().isArray()); |
| assertEquals(String.class, |
| cachedFieldData.getClass().getComponentType()); |
| |
| // make sure that the returned results are correct |
| EntityManager em = emf.createEntityManager(); |
| AllFieldTypes aft = em.find(AllFieldTypes.class, jpaOid); |
| assertTrue(Arrays.equals(STRINGS, aft.getArrayOfStrings())); |
| assertNotSame(STRINGS, aft.getArrayOfStrings()); |
| em.close(); |
| } |
| |
| public void testArrayOfInts() { |
| // check that the data cache contains an efficient representation |
| StoreCacheImpl storeCache = (StoreCacheImpl) |
| OpenJPAPersistence.cast(emf).getStoreCache(); |
| DataCache cache = storeCache.getDelegate(); |
| PCData data = cache.get(internalOid); |
| ClassMetaData meta = JPAFacadeHelper.getMetaData(emf, |
| AllFieldTypes.class); |
| Object cachedFieldData = |
| data.getData(meta.getField("arrayOfInts").getIndex()); |
| assertTrue(cachedFieldData.getClass().isArray()); |
| assertEquals(int.class, cachedFieldData.getClass().getComponentType()); |
| |
| // make sure that the returned results are correct |
| EntityManager em = emf.createEntityManager(); |
| AllFieldTypes aft = em.find(AllFieldTypes.class, jpaOid); |
| assertTrue(Arrays.equals(INTS, aft.getArrayOfInts())); |
| assertNotSame(INTS, aft.getArrayOfInts()); |
| em.close(); |
| } |
| } |