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1   package org.apache.fulcrum.security.model.dynamic.entity.impl;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.HashSet;
23  import java.util.Set;
24  
25  import org.apache.fulcrum.security.entity.User;
26  import org.apache.fulcrum.security.model.basic.entity.impl.BasicUserImpl;
27  import org.apache.fulcrum.security.model.dynamic.entity.DynamicUser;
28  
29  /**
30   * Represents the "simple" model where permissions are related to roles, roles
31   * are related to groups and groups are related to users, all in many to many
32   * relationships.
33   * 
34   * Users have a set of delegates and delegatee's. If user A has B in their
35   * delegates - B assumes A's groups,roles and permissions If user C has D in
36   * their delegatees - C assumes D's groups,roles and permissions
37   * 
38   * @author <a href="mailto:epugh@upstate.com">Eric Pugh</a>
39   * @version $Id: DynamicUser.java 437451 2006-08-27 20:20:44Z tv $
40   */
41  public class DynamicUserImpl extends BasicUserImpl implements DynamicUser
42  {
43      /**
44       * Serial number
45       */
46      private static final long serialVersionUID = 2841311062371647853L;
47  
48      private Set<? extends User> delegators = new HashSet<User>();
49  
50      private Set<? extends User> delegatees = new HashSet<User>();
51  
52      /**
53       * Get the set of delegatees for this user
54       * 
55       * @return Returns the delegatees.
56       */
57      @SuppressWarnings("unchecked")
58      public <T extends User> Set<T> getDelegatees()
59      {
60          return (Set<T>) delegatees;
61      }
62  
63      /**
64       * Set the delegatees for this user
65       * 
66       * @param delegatees
67       *            The delegatees to set.
68       */
69      public <T extends User> void setDelegatees(Set<T> delegatees)
70      {
71          this.delegatees = delegatees;
72      }
73  
74      /**
75       * Get the set of delegators for this user
76       * 
77       * @return Returns the delegators.
78       */
79      @SuppressWarnings("unchecked")
80      public <T extends User> Set<T> getDelegators()
81      {
82          return (Set<T>) delegators;
83      }
84  
85      /**
86       * Set the delegators for this user
87       * 
88       * @param delegators
89       *            The delegators to set.
90       */
91      public <T extends User> void setDelegators(Set<T> delegators)
92      {
93          this.delegators = delegators;
94      }
95  }