/**
* Yobi, Project Hosting SW
*
* Copyright 2013 NAVER Corp.
* http://yobi.io
*
* @Author Jungkook Kim
*
* Licensed 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 models.resource;
import models.Unwatch;
import models.Watch;
import com.avaje.ebean.EbeanServer;
import com.avaje.ebean.Query;
import com.avaje.ebean.Transaction;
import com.avaje.ebean.event.BeanPersistAdapter;
import com.avaje.ebean.event.BeanPersistRequest;
/**
* @see com.avaje.ebean.event.BeanPersistController
* @see com.avaje.ebean.event.BeanPersistAdapter
*/
public class ResourcePersistAdapter extends BeanPersistAdapter {
/**
* @see com.avaje.ebean.event.BeanPersistAdapter#isRegisterFor(Class)
*/
@Override
public boolean isRegisterFor(Class<?> cls) {
return ResourceConvertible.class.isAssignableFrom(cls);
}
/**
* @see com.avaje.ebean.event.BeanPersistAdapter#postDelete(BeanPersistRequest)
*/
@Override
public void postDelete(BeanPersistRequest<?> request) {
// deleted resource
Resource resource = ((ResourceConvertible) request.getBean()).asResource();
Transaction transaction = request.getTransaction();
EbeanServer server = request.getEbeanServer();
// delete related objects
deleteRelatedWatch(resource, server, transaction);
deleteRelatedUnwatch(resource, server, transaction);
}
private void deleteRelatedWatch(Resource resource, EbeanServer server, Transaction transaction) {
Query<Watch> query = server.createQuery(Watch.class);
query.where().eq("resourceType", resource.getType()).eq("resourceId", resource.getId());
server.delete(Watch.class, query.findIds(), transaction);
}
private void deleteRelatedUnwatch(Resource resource, EbeanServer server, Transaction transaction) {
Query<Unwatch> query = server.createQuery(Unwatch.class);
query.where().eq("resourceType", resource.getType()).eq("resourceId", resource.getId());
server.delete(Unwatch.class, query.findIds(), transaction);
}
}