/*
* 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.relations;
import java.sql.Types;
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.HandlerFieldStrategy;
import org.apache.openjpa.jdbc.meta.strats.MaxEmbeddedBlobFieldStrategy;
import org.apache.openjpa.jdbc.sql.DBDictionary;
import org.apache.openjpa.persistence.JPAFacadeHelper;
import org.apache.openjpa.persistence.test.SingleEMTestCase;
public class TestMapCollectionToBlob
extends SingleEMTestCase {
public void setUp() {
setUp(HandlerToHandlerMapInstance.class, CLEAR_TABLES,
"openjpa.Compatibility", "StoreMapCollectionInEntityAsBlob=true");
}
public void testHandlerToHandlerMaps() {
ClassMapping cm = (ClassMapping) JPAFacadeHelper.getMetaData(em,
HandlerToHandlerMapInstance.class);
FieldMapping fm = cm.getFieldMapping("map");
assertEquals(getBlobFieldStrategy(), fm.getStrategy().getClass());
assertEquals("NONSTD_MAPPING_MAP", fm.getTable().getName());
assertEquals(fm.getTable().getColumn("MAP").getType(), Types.BLOB);
HandlerToHandlerMapInstance o = new HandlerToHandlerMapInstance();
o.getMap().put("foo", "bar");
em.getTransaction().begin();
em.persist(o);
em.getTransaction().commit();
em.close();
}
/*
* Returns the strategy that is used for handling blob fields, based upon
* the configuration of the dictionary.
*/
private Class<?> getBlobFieldStrategy() {
DBDictionary dict = ((JDBCConfiguration)(emf.getConfiguration())).getDBDictionaryInstance();
if (dict.maxEmbeddedBlobSize == -1) {
return HandlerFieldStrategy.class;
}
return MaxEmbeddedBlobFieldStrategy.class;
}
}