// Copyright 2008 The Apache Software Foundation
//
// 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 org.example.app0.pages;
import java.util.List;
import org.apache.tapestry.annotations.Persist;
import org.apache.tapestry.annotations.Property;
import org.apache.tapestry.ioc.annotations.Inject;
import org.example.app0.entities.User;
import org.hibernate.Session;
public class PersistEntity {
@Persist("entity")
@Property
private User _user;
@Inject
private Session _session;
void onCreateEntity() {
User user = new User();
user.setFirstName("name");
_session.save(user);
_user = user;
}
void onChangeName() {
_user.setFirstName("name2");
// avoid having the changes saved if the request transaction is committed
_session.evict(_user);
}
void onSetToTransient() {
_user = new User();
}
void onSetToNull() {
_user = null;
}
void onDelete() {
for(User user : (List<User>)_session.createQuery("from User").list())
_session.delete(user);
}
}