new utility for updated cached values in a multi-threaded environment.
[utils] / security / impl / src / main / java / org / wamblee / security / authorization / AbstractAuthorizationRule.java
1 /*
2  * Copyright 2005-2010 the original author or authors.
3  * 
4  * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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.wamblee.security.authorization;
17
18 import javax.persistence.DiscriminatorColumn;
19 import javax.persistence.Entity;
20 import javax.persistence.GeneratedValue;
21 import javax.persistence.GenerationType;
22 import javax.persistence.Id;
23 import javax.persistence.Inheritance;
24 import javax.persistence.InheritanceType;
25 import javax.persistence.Table;
26 import javax.persistence.Transient;
27 import javax.persistence.Version;
28
29 import org.wamblee.security.authentication.User;
30 import org.wamblee.security.authentication.UserAdministration;
31
32 /**
33  * Represents an authorization rule to determine whether an operation is allowed
34  * on a resource.
35  * 
36  * @author Erik Brakkee
37  */
38 @Entity
39 @Table(name = "SEC_AUTH_RULE")
40 @Inheritance(strategy = InheritanceType.SINGLE_TABLE)
41 @DiscriminatorColumn(name = "TYPE")
42 public abstract class AbstractAuthorizationRule implements AuthorizationRule {
43     
44     @Id
45     @GeneratedValue(strategy = GenerationType.AUTO)
46     private Long primaryKey;
47
48     @Version
49     private int version;
50     
51     public AbstractAuthorizationRule() { 
52         // Empty
53     }
54     
55     public AbstractAuthorizationRule(AbstractAuthorizationRule aRule) { 
56         primaryKey = aRule.primaryKey;
57         version = aRule.version;
58     }
59 }