Destroyable (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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javax.security.auth
Interface Destroyable

All Known Implementing Classes:: KerberosKey, KerberosTicket, X500PrivateCredential

public interface Destroyable

Objects such as credentials may optionally implement this interface to provide the capability to destroy its contents.

See Also:: Subject

Method Summary

void destroy()
Destroy this Object.

boolean isDestroyed()
Determine if this Object has been destroyed.

Method Detail

destroy

public void destroy()
             throws DestroyFailedException

Destroy this Object.

Sensitive information associated with this Object is destroyed or cleared. Subsequent calls to certain methods on this Object will result in an IllegalStateException being thrown.

Throws:: DestroyFailedException - if the destroy operation fails.; SecurityException - if the caller does not have permission to destroy this Object.

isDestroyed

public boolean isDestroyed()

Determine if this Object has been destroyed.

Returns:: true if this Object has been destroyed, false otherwise.