/**

  * 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.kim.api.common.assignee;

 import org.kuali.rice.kim.api.common.delegate.DelegateTypeContract;

 import java.util.List;

 //TODO Get a better description

 /**

  * This is the contract for a Permission Assignee.

  * 

  * Permissions are attached to roles. All authorization checks should be done against permissions,

  * never against roles or groups.

  *  

  */

 public interface AssigneeContract {

     /**

      * The Principal ID referenced by the Permission Assignee.

      *

      * @return principalId

      */

     String getPrincipalId();

     /**

      * The Group ID referenced by the Permission Assignee.

      * 

      * @return groupId

      */

         String getGroupId() ;

    /** 

          * List of Delegates for a Permission Assignee 

          * 

          * @return delegates

          */

         List<? extends DelegateTypeContract> getDelegates();

 }