1 /* 2 * Copyright 2007-2008 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.UserChannelSubscription; 21 22 /** 23 * Service for accessing user preferences in the KEN system.{@link UserPreference} 24 * @author Kuali Rice Team (rice.collab@kuali.org) 25 */ 26 public interface UserPreferenceService { 27 /** 28 * This method retrieves all of the current channel subscriptions for a user. 29 * @param userid 30 * @return Collection 31 */ 32 public Collection<UserChannelSubscription> getCurrentSubscriptions(String userid); 33 34 /** 35 * This method retrieves the UserChannelSubscription instance given the two unique keys that are 36 * passed in. 37 * @param channelid 38 * @param userid 39 * @return UserChannelSubscription 40 */ 41 public UserChannelSubscription getSubscription(String channelid, String userid); 42 43 /** 44 * This method will add a channel subscription into the system. 45 * @param userChannelSubscription 46 */ 47 public void subscribeToChannel(UserChannelSubscription userChannelSubscription); 48 49 /** 50 * This method will remove a channel subscription from the system. 51 * @param userChannelSubscription 52 */ 53 public void unsubscribeFromChannel(UserChannelSubscription userChannelSubscription); 54 }