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

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     javax.security.auth 
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<h2 class="title" title="Interface Destroyable">Interface Destroyable</h2>
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         All Known Subinterfaces: 
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<span><a href="../../../javax/crypto/interfaces/DHPrivateKey.html" title="javax.crypto.interfaces中的接口">DHPrivateKey</a> ， <a href="../../../java/security/interfaces/DSAPrivateKey.html" title="java.security.interfaces中的接口">DSAPrivateKey</a> ， <a href="../../../java/security/interfaces/ECPrivateKey.html" title="java.security.interfaces中的接口">ECPrivateKey</a> ， <a href="../../../javax/crypto/interfaces/PBEKey.html" title="javax.crypto.interfaces中的接口">PBEKey</a> ， <a href="../../../java/security/PrivateKey.html" title="java.security中的接口">PrivateKey</a> ， <a href="../../../java/security/interfaces/RSAMultiPrimePrivateCrtKey.html" title="java.security.interfaces中的接口">RSAMultiPrimePrivateCrtKey</a> ， <a href="../../../java/security/interfaces/RSAPrivateCrtKey.html" title="java.security.interfaces中的接口">RSAPrivateCrtKey</a> ， <a href="../../../java/security/interfaces/RSAPrivateKey.html" title="java.security.interfaces中的接口">RSAPrivateKey</a> ， <a href="../../../javax/crypto/SecretKey.html" title="javax.crypto中的接口">SecretKey</a></span>
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        所有已知实现类：
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<span><a href="../../../javax/security/auth/kerberos/KerberosKey.html" title="javax.security.auth.kerberos中的类">KerberosKey</a> ， <a href="../../../javax/security/auth/kerberos/KerberosTicket.html" title="javax.security.auth.kerberos中的类">KerberosTicket</a> ， <a href="../../../java/security/KeyStore.PasswordProtection.html" title="java.security中的类">KeyStore.PasswordProtection</a> ， <a href="../../../javax/crypto/spec/SecretKeySpec.html" title="javax.crypto.spec中的类">SecretKeySpec</a> ， <a href="../../../javax/security/auth/x500/X500PrivateCredential.html" title="javax.security.auth.x500中的类">X500PrivateCredential</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">Destroyable</span></pre>
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        诸如凭证的对象可以可选地实现该接口以提供破坏其内容的能力。 
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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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<td class="colFirst"><code>default void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/auth/Destroyable.html#destroy--">destroy</a></span>()</code>
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              毁灭这个 
             <code>Object</code> 。 
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<td class="colFirst"><code>default boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/security/auth/Destroyable.html#isDestroyed--">isDestroyed</a></span>()</code>
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              确定这 
             <code>Object</code>是否已被销毁。 
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<li class="blockList"> <h4>destroy</h4> <pre>default void destroy()
              throws <a href="../../../javax/security/auth/DestroyFailedException.html" title="class in javax.security.auth">DestroyFailedException</a></pre>
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<span>销毁这个<code>Object</code> 。</span>
<p> <span>与此<code>Object</code>被销毁或清除。</span> <span>就此某些方法的后续调用<code>Object</code>将导致<code>IllegalStateException</code>抛出。</span> </p>
<p> <span>默认实现会抛出<code>DestroyFailedException</code> 。</span> </p>
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<span class="throwsLabel">异常</span>
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<code><a href="../../../javax/security/auth/DestroyFailedException.html" title="class in javax.security.auth">DestroyFailedException</a></code> - 如果破坏操作失败。 
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<code><a href="../../../java/lang/SecurityException.html" title="class in java.lang">SecurityException</a></code> - 如果呼叫者没有权限销毁此 
            <code>Object</code> 。 
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<li class="blockList"> <h4>isDestroyed</h4> <pre>default boolean isDestroyed()</pre>
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<span>确定这<code>Object</code>是否已被销毁。</span>
<p> <span>默认实现返回false。</span> </p>
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<span class="returnLabel">结果</span>
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             如果这个 
            <code>Object</code>已被销毁，则为真，否则为false。 
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