Destroyable

javax.security.auth

Interface Destroyable

All Known Subinterfaces:

DHPrivateKey, DSAPrivateKey, ECPrivateKey, PBEKey, PrivateKey, RSAMultiPrimePrivateCrtKey, RSAPrivateCrtKey, RSAPrivateKey, SecretKey

All Known Implementing Classes:

KerberosKey, KerberosTicket, KeyStore.PasswordProtection, SecretKeySpec, 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

All Methods

Instance Methods

Default Methods
Modifier and Type	Method and Description
`default void`	`destroy()` Destroy this `Object`.
`default boolean`	`isDestroyed()` Determine if this `Object` has been destroyed.

- Method Detail
  - destroy
```
default 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.
    
    The default implementation throws DestroyFailedException.
    
    Throws:
    
    DestroyFailedException - if the destroy operation fails.
    
    SecurityException - if the caller does not have permission to destroy this Object.
  - isDestroyed
```
default boolean isDestroyed()
```
    Determine if this Object has been destroyed.
    The default implementation returns false.
    
    Returns:
    
    true if this Object has been destroyed, false otherwise.