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1   /**
2    * Copyright 2011-2013 The Kuali Foundation Licensed under the
3    * Educational Community License, Version 2.0 (the "License"); you may
4    * not use this file except in compliance with the License. You may
5    * obtain a copy of the License at
6    *
7    * http://www.osedu.org/licenses/ECL-2.0
8    *
9    * Unless required by applicable law or agreed to in writing,
10   * software distributed under the License is distributed on an "AS IS"
11   * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
12   * or implied. See the License for the specific language governing
13   * permissions and limitations under the License.
14   */
15  package org.kuali.mobility.security.user.entity;
16  
17  import javax.persistence.Column;
18  import javax.persistence.Embeddable;
19  import java.io.Serializable;
20  
21  /**
22   * @author Kuali Mobility Team (mobility.collab@kuali.org)
23   */
24  @Embeddable
25  public class GroupMembershipPK implements Serializable {
26  
27  	@Column(name="GROUP_ID",nullable = false)
28  	public Long groupId;
29  
30  	@Column(name="USER_ID",nullable = false)
31  	public Long userId;
32  
33  	public GroupMembershipPK(Long groupId,Long userId) {
34  		this.userId = userId;
35  		this.groupId = groupId;
36  	}
37  
38  	public GroupMembershipPK() {}
39  
40  	public boolean equals(Object obj) {
41  		boolean isEquals = false;
42  		if( obj != null && obj instanceof GroupMembershipPK ) {
43  			if( groupId != null
44  				&& 0 == groupId.compareTo(((GroupMembershipPK)obj).groupId)
45  				&& userId != null
46  				&& 0 == userId.compareTo(((GroupMembershipPK)obj).userId) ) {
47  				isEquals = true;
48  			}
49  		}
50  		return isEquals;
51  	}
52  
53  	public int hashCode() {
54  		int code = 42;
55  		if( groupId != null ) code += groupId.intValue();
56  		if( userId != null ) code += (-2*userId.intValue());
57  		return code;
58  	}
59  }