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[utils] / security / usermgt / src / main / java / org / wamblee / security / authorization / AbstractAuthorizationRule.java

diff --git a/security/usermgt/src/main/java/org/wamblee/security/authorization/AbstractAuthorizationRule.java b/security/usermgt/src/main/java/org/wamblee/security/authorization/AbstractAuthorizationRule.java
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+/*
+ * Copyright 2005-2010 the original author or authors.
+ * 
+ * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
+ * 
+ * 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.wamblee.security.authorization;
+
+import javax.persistence.DiscriminatorColumn;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+import javax.persistence.Table;
+import javax.persistence.Version;
+
+/**
+ * Represents an authorization rule to determine whether an operation is allowed
+ * on a resource.
+ * 
+ * @author Erik Brakkee
+ */
+@Entity
+@Table(name = "SEC_AUTH_RULE")
+@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
+@DiscriminatorColumn(name = "TYPE")
+public abstract class AbstractAuthorizationRule implements AuthorizationRule {
+    
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @Version
+    private int version;
+    
+    public AbstractAuthorizationRule() { 
+        // Empty
+    }
+    
+    public AbstractAuthorizationRule(AbstractAuthorizationRule aRule) { 
+        id = aRule.id;
+        version = aRule.version;
+    }
+}