/*
    * Copyright 2006-2011 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.service.impl;
  
  import org.kuali.rice.core.framework.persistence.dao.GenericDao;
  import org.kuali.rice.ken.bo.NotificationChannel;
  import org.kuali.rice.ken.service.NotificationChannelService;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * NotificationChannelService implementation - uses the businessObjectDao to get at data in the underlying database.
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class NotificationChannelServiceImpl implements NotificationChannelService {
      private GenericDao businessObjectDao;
  
      /**
       * Constructs a NotificationChannelServiceImpl.java.
       * @param businessObjectDao
       */
      public NotificationChannelServiceImpl(GenericDao businessObjectDao) {
          this.businessObjectDao = businessObjectDao;
      }
  
      /**
       * @see org.kuali.rice.ken.service.NotificationChannelService#getNotificationChannel(java.lang.String)
       */
      public NotificationChannel getNotificationChannel(String id) {
          Map<String,  String> primaryKeys = new HashMap<String, String>();
          primaryKeys.put("id", id);
          return (NotificationChannel) businessObjectDao.findByPrimaryKey(NotificationChannel.class, primaryKeys);
      }
  
      /**
       * @see org.kuali.rice.ken.service.NotificationChannelService#getNotificationChannelByName(java.lang.String)
       */
      public NotificationChannel getNotificationChannelByName(String name) {
          Map<String,  String> fields = new HashMap<String, String>();
          fields.put("name", name);
          Collection<NotificationChannel> found = businessObjectDao.findMatching(NotificationChannel.class, fields);
          assert(found.size() <= 1);
          if (found.size() == 0) return null;
          return found.iterator().next();
      }
  
      /**
       * @see org.kuali.rice.ken.service.NotificationChannelService#getSubscribableChannels()
       */
      public Collection getSubscribableChannels() {
          Map<String, Boolean> fieldValues = new HashMap<String, Boolean>();
          String sortField = new String("name");
          fieldValues.put("subscribable", true);
          return businessObjectDao.findMatchingOrderBy(NotificationChannel.class, fieldValues, sortField, true);
      }
  
      /**
       * @see org.kuali.rice.ken.service.NotificationChannelService#getAllNotificationChannels()
       */
      public Collection getAllNotificationChannels() {
          String sortField = new String("name");
          return businessObjectDao.findAllOrderBy(NotificationChannel.class, sortField, true);
      }
  }