/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.ken.dao.impl;

 import org.apache.log4j.Logger;

 import org.kuali.rice.core.api.util.RiceConstants;

 import org.kuali.rice.core.framework.persistence.dao.GenericDao;

 import org.kuali.rice.core.framework.persistence.jpa.criteria.Criteria;

 import org.kuali.rice.ken.bo.Notification;

 import org.kuali.rice.ken.dao.NotificationDao;

 import org.kuali.rice.ken.util.NotificationConstants;

 import java.sql.Timestamp;

 import java.util.Collection;

 /**

  * This is a description of what this class does - g1zhang don't forget to fill this in. 

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class NotificationDaoJpa implements NotificationDao{

         private static final Logger LOG = Logger.getLogger(NotificationDaoJpa.class);

         /**

          * This overridden method ...

          * 

          * @see org.kuali.rice.ken.dao.NotificationDao#findMatchedNotifications(java.sql.Timestamp, org.kuali.rice.core.framework.persistence.dao.GenericDao)

          */

         @Override

         public Collection findMatchedNotificationsForResolution(Timestamp tm, GenericDao dao) {

                 //LOG.info("************************calling OJBNotificationDao.findMatchedNotificationsForResolution(************************ ");

                 Criteria criteria = new Criteria(Notification.class.getName());

                 criteria.eq(NotificationConstants.BO_PROPERTY_NAMES.PROCESSING_FLAG, NotificationConstants.PROCESSING_FLAGS.UNRESOLVED);

                 criteria.lte(NotificationConstants.BO_PROPERTY_NAMES.SEND_DATE_TIME, new Timestamp(System.currentTimeMillis()));

                 criteria.isNull(NotificationConstants.BO_PROPERTY_NAMES.LOCKED_DATE);

                 Collection<Notification> available_notifications = dao.findMatching(Notification.class, criteria, true, RiceConstants.NO_WAIT);

                 return available_notifications;

         }

         /**

          * This overridden method ...

          * 

          * @see org.kuali.rice.ken.dao.NotificationDao#findMatchedNotificationsForUnlock(java.sql.Timestamp, org.kuali.rice.core.framework.persistence.dao.GenericDao)

          */

         @Override

         public Collection findMatchedNotificationsForUnlock(Notification not, GenericDao dao) {

                 //LOG.info("************************calling OJBNotificationDao.findMatchedNotificationsForForUnlock************************ ");

                 Criteria criteria = new Criteria(Notification.class.getName());

                 criteria.eq(NotificationConstants.BO_PROPERTY_NAMES.ID, not.getId());

                 Collection<Notification> notifications = dao.findMatching(Notification.class, criteria, true, RiceConstants.NO_WAIT);

                 return notifications;

         }

 }