com.google.cloud

Interface Restorable<T extends Restorable<T>>

Type Parameters:

T - the restorable object's type

All Known Subinterfaces:

ReadChannel, WriteChannel

All Known Implementing Classes:

BaseWriteChannel

public interface Restorable<T extends Restorable<T>>

Implementation of this interface can persist their state and restore from it.

A typical capture usage:

 
 X restorableObj; // X instanceof Restorable<X>
 RestorableState<X> state = restorableObj.capture();
 .. persist state
 

A typical restore usage:

 
 RestorableState<X> state = ... // read from persistence
 X restorableObj = state.restore();
 ...
 

Method Summary

Modifier and Type	Method and Description
RestorableState<T>	capture() Captures the state of this object.

Method Detail

capture

RestorableState<T> capture()

Captures the state of this object.

Returns:

a RestorableState instance that contains the state for this object and can restore it afterwards.