/*
* BaseKernelTest.java
*
* Created on October 9, 2006, 12:56 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
/*
* 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.query;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.persistence.EntityManager;
import org.apache.openjpa.kernel.Broker;
import org.apache.openjpa.kernel.OpenJPAStateManager;
import org.apache.openjpa.kernel.jpql.JPQLParser;
import org.apache.openjpa.lib.conf.ConfigurationProvider;
import org.apache.openjpa.lib.conf.Configurations;
import org.apache.openjpa.persistence.JPAFacadeHelper;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
public abstract class BaseQueryTest
extends org.apache.openjpa.persistence.common.utils.AbstractTestCase {
private static Map _sysprops = new HashMap();
/**
* Creates a new instance of BaseQueryTest
*/
public BaseQueryTest(String name) {
super(name, "querycactusapp");
}
protected OpenJPAEntityManager getEM() {
return (OpenJPAEntityManager) currentEntityManager();
}
protected OpenJPAEntityManager getEM(boolean optimistic,
boolean retainValues) {
OpenJPAEntityManager em =
(OpenJPAEntityManager) currentEntityManager();
em.setNontransactionalRead(true);
em.setRetainState(retainValues);
em.setOptimistic(optimistic);
return em;
}
/**
* Delete all instances of the given class.
*/
protected int deleteAll(Broker broker, Class clazz,
boolean subclasses) {
final boolean useDeleteByQuery = false;
if (useDeleteByQuery) {
org.apache.openjpa.kernel.Query query = broker.newQuery(
JPQLParser.LANG_JPQL, clazz, "");
query.setCandidateType(clazz, subclasses);
return (int) query.deleteAll();
} else {
org.apache.openjpa.kernel.Extent extent =
broker.newExtent(clazz, subclasses);
List list = extent.list();
int size = list.size();
broker.deleteAll(list, null);
return size;
}
}
protected Object persist(Object ob) {
Broker broker = getBrokerFactory().newBroker();
broker.begin();
broker.persist(ob, null);
Object id = broker.getObjectId(ob);
broker.commit();
broker.close();
return id;
}
protected Properties getProperties() {
return getProperties(null);
}
/**
* Return the runtime properties, optionally overriding or setting
* some via the given array, which should be in the form
* { key, val, key, val, ... }.
*/
protected synchronized Properties getProperties(String[] props) {
Properties p = new Properties(System.getProperties());
String str = p.getProperty("openjpa.properties", "kodo.properties");
if (str != null && str.length() > 0) {
// cache system properties to reduce load on file system
Properties loaded = (Properties) _sysprops.get(str);
if (loaded == null) {
loaded = new Properties();
ConfigurationProvider cp =
(ConfigurationProvider) Configurations
.getProperty(str, null);
if (cp != null)
loaded.putAll(cp.getProperties());
_sysprops.put(str, loaded);
}
p.putAll(loaded);
}
for (int i = 0; props != null && i < props.length; i += 2) {
if (props[i + 1] != null) {
// remove any duplicate kodo/openjpa property so we don't clash
if (props[i].startsWith("openjpa."))
p.remove("openjpa." + props[i].substring(5));
else if (props[i].startsWith("openjpa."))
p.remove("openjpa." + props[i].substring(8));
p.setProperty(props[i], props[i + 1]);
} else {
p.remove(props[i]);
}
}
return p;
}
}