/*
* Copyright 2009 Google Inc.
*
* 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.gtugs.service;
import org.gtugs.domain.Guest;
import org.gtugs.repository.GuestDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;
import com.google.appengine.api.memcache.MemcacheService;
import com.google.appengine.api.memcache.MemcacheServiceFactory;
import java.util.Date;
import java.util.List;
/**
* @author jasonacooper@google.com (Jason Cooper)
*/
@Service("guestManager")
public class SimpleGuestManager implements GuestManager {
private static final String GUESTS_MEMCACHE_KEY = "guests";
@Autowired
private GuestDao guestDao;
public List<Guest> getGuests() {
MemcacheService ms = MemcacheServiceFactory.getMemcacheService();
if (!ms.contains(GUESTS_MEMCACHE_KEY)) {
ms.put(GUESTS_MEMCACHE_KEY, guestDao.getGuests());
}
return (List<Guest>) ms.get(GUESTS_MEMCACHE_KEY);
}
public List<Guest> getGuests(Date createdAfter) {
MemcacheService ms = MemcacheServiceFactory.getMemcacheService();
if (!ms.contains(GUESTS_MEMCACHE_KEY)) {
ms.put(GUESTS_MEMCACHE_KEY, guestDao.getGuests(createdAfter));
}
return (List<Guest>) ms.get(GUESTS_MEMCACHE_KEY);
}
public void storeGuest(Guest guest) {
MemcacheService ms = MemcacheServiceFactory.getMemcacheService();
guestDao.storeGuest(guest);
ms.delete(GUESTS_MEMCACHE_KEY);
}
public void setGuestDao(GuestDao guestDao) {
this.guestDao = guestDao;
}
}