cacheruleswithtime.java

一个完整的XACML工程,学习XACML技术的好例子!

/*
* Copyright (c) 2006, University of Kent
* All rights reserved.
*
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* Redistributions of source code must retain the above copyright notice, this 
* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, 
* this list of conditions and the following disclaimer in the documentation 
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* 1. Neither the name of the University of Kent nor the names of its 
* contributors may be used to endorse or promote products derived from this 
* software without specific prior written permission. 
*
* 2. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS  
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* 4. YOU AGREE THAT THE EXCLUSIONS IN PARAGRAPHS 2 AND 3 ABOVE ARE REASONABLE
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*/

package issrg.pba.rbac;

import java.util.Vector;

/**
 * This class stores AssignmentRule(s) associated with one issuer.
 * Objects of this class will be stored in a cache which stores
 * RARs (AssignmentRules) of issuers. Each object is associated 
 * with a timeout. When the timeout is reached, the object will
 * be replaced.
 * 
 */
public class CacheRulesWithTime {
    Vector rules;
    long time;
    
    /** Creates a new instance of CacheRulesWithTime */
    public CacheRulesWithTime() {
    }
    
    /**
     * This is the constructor of the class.
     *
     *@param rules is the vector of RARs (AssignmentRules) of one issuer
     *@param time is a long value indicates the timeout of the object
     */
    public CacheRulesWithTime(Vector rules, long time) {
        this.rules = rules;
        this.time = time;
    }
    
    /**
     * This method returns the vector of rules of that issuer
     *
     * @return rules is a vector of rules of that issuer
     */
    public Vector getRules() {
        return rules;
    }
    
    /**
     * This method returns the timeout associated with the set of rules of the issuer
     *
     *@return time is a long value
     */
    public long getTime() {
        return time;
    }
}