uTools-Manuals/docs/java/javax/security/auth/Refreshable.html

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     compact1, compact2, compact3 
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     javax.security.auth 
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<h2 class="title" title="Interface Refreshable">Interface Refreshable</h2>
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        所有已知实现类：
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<span><a href="../../../javax/security/auth/kerberos/KerberosTicket.html" title="javax.security.auth.kerberos中的类">KerberosTicket</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">Refreshable</span></pre>
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<span>诸如凭证的对象可以可选地实现该接口以提供刷新自身的能力。</span>
<span>例如，具有特定时间限制的生命周期的证书可以实现该接口以允许呼叫者刷新其有效的时间段。</span>
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<span class="seeLabel">另请参见：</span>
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<span><a href="../../../javax/security/auth/Subject.html" title="javax.security.auth中的类"><code>Subject</code></a></span>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/auth/Refreshable.html#isCurrent--">isCurrent</a></span>()</code>
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              确定这个 
             <code>Object</code>是否是当前的。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/auth/Refreshable.html#refresh--">refresh</a></span>()</code>
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              更新或延长此 
             <code>Object</code>的有效期。 
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<li class="blockList"> <h4>isCurrent</h4> <pre>boolean isCurrent()</pre>
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            确定这个 
           <code>Object</code>是否是当前的。 
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<span class="returnLabel">结果</span>
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             如果这个 
            <code>Object</code>是当前的，则为true，否则为false。 
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<li class="blockList"> <h4>refresh</h4> <pre>void refresh()
      throws <a href="../../../javax/security/auth/RefreshFailedException.html" title="class in javax.security.auth">RefreshFailedException</a></pre>
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            更新或延长此 
           <code>Object</code>的有效期。 
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<span class="throwsLabel">异常</span>
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<code><a href="../../../java/lang/SecurityException.html" title="class in java.lang">SecurityException</a></code> - 如果来电者没有权限更新或延长此 
            <code>Object</code>的有效期。 
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<code><a href="../../../javax/security/auth/RefreshFailedException.html" title="class in javax.security.auth">RefreshFailedException</a></code> - 如果刷新尝试失败。 
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