Refreshable (Java Platform SE 7 b138)

All Known Implementing Classes:

KerberosTicket
```
public interface Refreshable
```
Objects such as credentials may optionally implement this interface to provide the capability to refresh itself. For example, a credential with a particular time-restricted lifespan may implement this interface to allow callers to refresh the time period for which it is valid.

See Also:
Subject

- Method Summary
  
  Methods
  Modifier and Type Method and Description
  
  boolean isCurrent()
  Determine if this Object is current.
  
  void refresh()
  Update or extend the validity period for this Object.

Methods
Modifier and Type	Method and Description
`boolean`	`isCurrent()` Determine if this `Object` is current.
`void`	`refresh()` Update or extend the validity period for this `Object`.

- Method Detail
  - isCurrent
```
boolean isCurrent()
```
    Determine if this Object is current.
    
    Returns:
    true if this Object is currently current, false otherwise.
  - refresh
```
void refresh()
             throws RefreshFailedException
```
    Update or extend the validity period for this Object.
    
    Throws:
    
    SecurityException - if the caller does not have permission to update or extend the validity period for this Object.
    
    RefreshFailedException - if the refresh attempt failed.

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DRAFT ea-b138

Interface Refreshable

Method Summary

Method Detail

isCurrent

refresh