/**
* 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.internal.hbm;
import org.jooby.Request;
import org.jooby.Response;
import org.jooby.Route;
import org.jooby.Route.Chain;
import org.jooby.Route.Filter;
import org.jooby.hbm.UnitOfWork;
public class OpenSessionInView implements Filter {
@Override
public void handle(final Request req, final Response rsp, final Chain chain) throws Throwable {
RootUnitOfWork uow = (RootUnitOfWork) req.require(UnitOfWork.class);
// start transaction
uow.begin();
rsp.after(after(uow));
rsp.complete(complete(uow));
// move next
chain.next(req, rsp);
}
private static Route.Complete complete(final RootUnitOfWork uow) {
return (req, rsp, x) -> {
x.ifPresent(e -> uow.setRollbackOnly());
uow.end();
};
}
private static Route.After after(final RootUnitOfWork uow) {
return (req1, rsp1, result) -> {
// commit transaction and start readonly transaction
uow.commit();
uow.setReadOnly();
uow.begin();
return result;
};
}
}