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1   /**
2    * Copyright 2005-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.ken.service;
17  
18  import java.util.Collection;
19  
20  import org.kuali.rice.ken.bo.NotificationChannelBo;
21  
22  /**
23   * Service for accessing {@link org.kuali.rice.ken.bo.NotificationChannelBo}s
24   * @author Kuali Rice Team (rice.collab@kuali.org)
25   */
26  public interface NotificationChannelService {
27      /**
28       * This method returns all of the registered notification channels in the system.
29       * @return Collection
30       */
31      public Collection<NotificationChannelBo> getAllNotificationChannels();
32      
33      /**
34       * This method retrieves a specific NotificationChannel instance by id.  If none is found, it returns null.
35       * @param id
36       * @return NotificationChannel
37       */
38      public NotificationChannelBo getNotificationChannel(String id);
39      
40      /**
41       * This method retrieves a specific NotificationChannel instance by name.  If none is found, it returns null.
42       * @param id
43       * @return NotificationChannel
44       */
45      public NotificationChannelBo getNotificationChannelByName(String name);
46      
47      /**
48       * This method retrieves all channels in the system that can be subscribed to.
49       * @return Collection
50       */
51      public Collection<NotificationChannelBo> getSubscribableChannels();
52  }