/* | |
* 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.annotations; | |
import java.sql.Types; | |
import javax.persistence.EntityManager; | |
import org.apache.openjpa.jdbc.conf.JDBCConfiguration; | |
import org.apache.openjpa.jdbc.meta.ClassMapping; | |
import org.apache.openjpa.jdbc.meta.FieldMapping; | |
import org.apache.openjpa.jdbc.meta.strats.ClobValueHandler; | |
import org.apache.openjpa.jdbc.meta.strats.MaxEmbeddedClobFieldStrategy; | |
import org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy; | |
import org.apache.openjpa.jdbc.sql.DBDictionary; | |
import org.apache.openjpa.persistence.test.SingleEMFTestCase; | |
import org.apache.openjpa.persistence.JPAFacadeHelper; | |
import org.apache.openjpa.meta.ClassMetaData; | |
import org.apache.openjpa.meta.FieldMetaData; | |
/** | |
* Test for embedded | |
* | |
* @author Steve Kim | |
*/ | |
public class TestEJBEmbedded extends SingleEMFTestCase { | |
private static final String CLOB; | |
static { | |
StringBuffer buf = new StringBuffer(); | |
for (int i = 0; i < 1000; i++) | |
buf.append('a'); | |
CLOB = buf.toString(); | |
} | |
public void setUp() { | |
setUp(EmbedOwner.class, EmbedValue.class, CLEAR_TABLES); | |
} | |
public void testEmbedded() { | |
EntityManager em = emf.createEntityManager(); | |
em.getTransaction().begin(); | |
EmbedOwner owner = new EmbedOwner(); | |
owner.setBasic("foo"); | |
EmbedValue embed = new EmbedValue(); | |
embed.setClob(CLOB); | |
embed.setBasic("bar"); | |
embed.setBlob("foobar".getBytes()); | |
embed.setOwner(owner); | |
owner.setEmbed(embed); | |
em.persist(owner); | |
int pk = owner.getPk(); | |
em.getTransaction().commit(); | |
em.close(); | |
em = emf.createEntityManager(); | |
owner = em.find(EmbedOwner.class, pk); | |
assertEquals("foo", owner.getBasic()); | |
embed = owner.getEmbed(); | |
assertNotNull(embed); | |
assertEquals(CLOB, embed.getClob()); | |
assertEquals("bar", embed.getBasic()); | |
assertEquals("foobar", new String(embed.getBlob())); | |
assertEquals(owner, embed.getOwner()); | |
em.close(); | |
} | |
public void testEmbeddedMetaData() { | |
ClassMetaData ownerMeta = | |
JPAFacadeHelper.getMetaData(emf, EmbedOwner.class); | |
FieldMetaData fmd = ownerMeta.getField("embed"); | |
ClassMetaData embeddedMeta = fmd.getDefiningMetaData(); | |
assertNotNull(embeddedMeta); | |
assertNull(embeddedMeta.getField("transientField")); | |
} | |
public void testNull() { | |
EntityManager em = emf.createEntityManager(); | |
em.getTransaction().begin(); | |
EmbedOwner owner = new EmbedOwner(); | |
owner.setBasic("foo"); | |
em.persist(owner); | |
int pk = owner.getPk(); | |
em.getTransaction().commit(); | |
em.close(); | |
em = emf.createEntityManager(); | |
owner = em.find(EmbedOwner.class, pk); | |
assertEquals("foo", owner.getBasic()); | |
EmbedValue embed = owner.getEmbed(); | |
assertNotNull(embed); | |
assertNull(embed.getClob()); | |
assertNull(embed.getBasic()); | |
assertNull(embed.getBlob()); | |
em.close(); | |
} | |
public void testMappingTransferAndOverride() { | |
JDBCConfiguration conf = (JDBCConfiguration) emf.getConfiguration(); | |
ClassMapping cls = conf.getMappingRepositoryInstance().getMapping | |
(EmbedOwner.class, null, true); | |
assertEquals("OWN_BASIC", cls.getFieldMapping("basic"). | |
getColumns()[0].getName()); | |
ClassMapping embed = cls.getFieldMapping("embed").getEmbeddedMapping(); | |
assertEquals("EMB_BLOB", embed.getFieldMapping("blob"). | |
getColumns()[0].getName()); | |
assertEquals("OVER_BASIC", embed.getFieldMapping("basic"). | |
getColumns()[0].getName()); | |
assertEquals("OVER_OWNER", embed.getFieldMapping("owner"). | |
getColumns()[0].getName()); | |
FieldMapping fm = embed.getFieldMapping("clob"); | |
DBDictionary dict = conf.getDBDictionaryInstance(); | |
if (dict.getPreferredType(Types.CLOB) == Types.CLOB) { | |
if (dict.maxEmbeddedClobSize > 0) | |
assertTrue(fm.getStrategy() instanceof | |
MaxEmbeddedClobFieldStrategy); | |
else | |
assertTrue(fm.getHandler() instanceof ClobValueHandler); | |
} else | |
assertTrue(fm.getStrategy() instanceof StringFieldStrategy); | |
} | |
} |