| package org.bouncycastle.util; |
| |
| public interface Memoable |
| { |
| /** |
| * Produce a copy of this object with its configuration and in its current state. |
| * <p/> |
| * The returned object may be used simply to store the state, or may be used as a similar object |
| * starting from the copied state. |
| */ |
| public Memoable copy(); |
| |
| /** |
| * Restore a copied object state into this object. |
| * <p/> |
| * Implementations of this method <em>should</em> try to avoid or minimise memory allocation to perform the reset. |
| * |
| * @param other an object originally {@link #copy() copied} from an object of the same type as this instance. |
| * @throws ClassCastException if the provided object is not of the correct type. |
| * @throws MemoableResetException if the <b>other</b> parameter is in some other way invalid. |
| */ |
| public void reset(Memoable other); |
| } |