/*
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig 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 the following location:
*
* 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.jasig.cas.services;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.validation.constraints.NotNull;
/**
* Implementation of the ServiceRegistryDao based on JPA.
*
* @author Scott Battaglia
* @since 3.1
*/
public final class JpaServiceRegistryDaoImpl implements ServiceRegistryDao {
@NotNull
@PersistenceContext
private EntityManager entityManager;
public boolean delete(final RegisteredService registeredService) {
if (this.entityManager.contains(registeredService)) {
this.entityManager.remove(registeredService);
} else {
this.entityManager.remove(this.entityManager.merge(registeredService));
}
return true;
}
public List<RegisteredService> load() {
return this.entityManager.createQuery("select r from AbstractRegisteredService r", RegisteredService.class)
.getResultList();
}
public RegisteredService save(final RegisteredService registeredService) {
final boolean isNew = registeredService.getId() == RegisteredService.INITIAL_IDENTIFIER_VALUE;
final RegisteredService r = this.entityManager.merge(registeredService);
if (!isNew) {
this.entityManager.persist(r);
}
return r;
}
public RegisteredService findServiceById(final long id) {
return this.entityManager.find(AbstractRegisteredService.class, id);
}
}