/**

  * 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.api.service;

 import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;

 import java.util.Collection;

 /**

  * KEN API service internal to Rice, for use by KCB 

  * 

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

  */

 public interface KENAPIService {

     /**

      * Returns names of all channels defined in KEN

      * @return names of all channels defined in KEN

      */

     Collection<String> getAllChannelNames();

     /**

      * Returns the names of all deliverers the recipient has configured for a given channel

      * @return the names of all deliverers the recipient has configured for a given channel

      */

     Collection<String> getDeliverersForRecipientAndChannel(String recipient, String channel) throws RiceIllegalArgumentException;

     /**

      * Returns the specified recipient preference for the user

      * @param recipient the recipient

      * @param prefKey the preference key

      * @return the specified recipient preference for the user

      */

     String getRecipientPreference(String recipient, String prefKey) throws RiceIllegalArgumentException;

 }