PersistenceStrategy (PicketBox- Parent 5.1.0.Final API)

All Known Implementing Classes:

FilePersistenceStrategy
```
public interface PersistenceStrategy
```
Interface for an Identity persistence strategy (file, db, etc.).

Version:

$Revision: 1.1 $

Author:

Marcus Moyses

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Identity`	`getIdentity(String name)`	Retrieves an `Identity` from the backend.
`Identity`	`persistIdentity(Identity identity)`	Persists the `Identity` in the backend.
`boolean`	`removeIdentity(Identity identity)`	Removes an `Identity` from the backend.
`Identity`	`updateIdentity(Identity identity)`	Updates the `Identity` in the backend.

- Method Detail
  - persistIdentity
```
Identity persistIdentity(Identity identity)
```
    Persists the Identity in the backend.
    
    Parameters:
    
    identity - Identity to be persisted.
    
    Returns:
    
    the persisted Identity or null if persistence failed.
  - getIdentity
```
Identity getIdentity(String name)
```
    Retrieves an Identity from the backend.
    
    Parameters:
    
    name - unique name of the Identity.
    
    Returns:
    
    the Identity or null if not found.
  - updateIdentity
```
Identity updateIdentity(Identity identity)
```
    Updates the Identity in the backend.
    
    Parameters:
    
    identity - Identity to be updated.
    
    Returns:
    
    the updated Identity or null if the update was not successful.
  - removeIdentity
```
boolean removeIdentity(Identity identity)
```
    Removes an Identity from the backend.
    
    Parameters:
    
    identity - Identity to be removed.
    
    Returns:
    
    true if successfully removed, false otherwise.