/**
* 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.jooby.hbm;
import java.util.List;
import javax.persistence.EntityManager;
import org.hibernate.FlushMode;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.context.internal.ManagedSessionContext;
import org.hibernate.jpa.HibernateEntityManagerFactory;
import org.jooby.Request;
import org.jooby.Response;
import org.jooby.Route;
import org.jooby.Route.Chain;
import org.jooby.internal.hbm.TrxResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Key;
public class OpenSessionInView implements Route.Filter {
/** The logging system. */
private final Logger log = LoggerFactory.getLogger(getClass());
private HibernateEntityManagerFactory emf;
private List<Key<EntityManager>> keys;
public OpenSessionInView(final HibernateEntityManagerFactory emf,
final List<Key<EntityManager>> keys) {
this.emf = emf;
this.keys = keys;
}
@Override
public void handle(final Request req, final Response rsp, final Chain chain) throws Throwable {
SessionFactory sf = emf.getSessionFactory();
EntityManager em = emf.createEntityManager();
Session session = (Session) em.getDelegate();
String sessionId = Integer.toHexString(System.identityHashCode(session));
keys.forEach(key -> req.set(key, em));
log.debug("session opened: {}", sessionId);
TrxResponse trxrsp = new TrxResponse(rsp, em);
try {
log.debug(" [{}] binding", sessionId);
ManagedSessionContext.bind(session);
FlushMode flushMode = FlushMode.AUTO;
log.debug(" [{}] flush mode: {}", sessionId, flushMode);
session.setFlushMode(flushMode);
trxrsp.begin();
// invoke next handler
chain.next(req, trxrsp);
} catch (Exception ex) {
trxrsp.setRollbackOnly();
throw ex;
} finally {
trxrsp.done();
log.debug(" [{}] unbinding", sessionId);
ManagedSessionContext.unbind(sf);
log.debug("session released: [{}]", sessionId);
}
}
}