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

Methods

Modifier and Type Method and Description
default void destroy()

Destroy this Object.
default boolean isDestroyed()

Determine if this Object has been destroyed.

Methods

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.

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https://docs.oracle.com/javase/8/docs/api/javax/security/auth/Destroyable.html