Package org.oddjob.persist

Class MapPersister

java.lang.Object

org.oddjob.persist.PersisterBase

org.oddjob.persist.MapPersister

All Implemented Interfaces:

OddjobPersister

public class MapPersister
extends PersisterBase

A Memory based OddjobPersister.

Author:

rob

Constructor Summary

Constructors

Constructor	Description
MapPersister()	Create a new instance with a standard HashMap.
MapPersister(Map<Path,Map<String,byte[]>> store)	Create a new instance with the provided map.

Method Summary

Modifier and Type	Method	Description
protected void	clear(Path path)	Remove a possibly previously persisted object.
protected String[]	list(Path path)
protected void	persist(Path path, String id, Object proxy)	Provided by subclasses to do the persisting.
protected void	remove(Path path, String id)	Remove a possibly previously persisted object.
protected Object	restore(Path path, String id, ClassLoader classLoader)	Restore a previously persisted Component or it's Proxy.
String	toString()

Methods inherited from class org.oddjob.persist.PersisterBase

persisterFor, setPath

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

MapPersister

public MapPersister()

Create a new instance with a standard HashMap.

MapPersister

public MapPersister(Map<Path,Map<String,byte[]>> store)

Create a new instance with the provided map. Access to this map will be synchronized so the map itself need not be.

Parameters:

store - A Map. Must not be null.

Method Details

persist

protected void persist(Path path,
 String id,
 Object proxy)

Description copied from class: PersisterBase

Provided by subclasses to do the persisting.

Specified by:

persist in class PersisterBase

Parameters:

path - The path as a string. Never null.

id - The id. Never Null.

proxy - The component or it's proxy.

restore

protected Object restore(Path path,
 String id,
 ClassLoader classLoader)

Description copied from class: PersisterBase

Restore a previously persisted Component or it's Proxy.

Specified by:

restore in class PersisterBase

Parameters:

path - The path. Never Null.

id - The id. Never Null.

classLoader - The classLoader.

Returns:

The component or it's proxy. Null if nothing had previously been persisted for this path and id.

list

protected String[] list(Path path)
                 throws ComponentPersistException

Specified by:

list in class PersisterBase

Throws:

ComponentPersistException

remove

protected void remove(Path path,
 String id)

Description copied from class: PersisterBase

Remove a possibly previously persisted object.

Specified by:

remove in class PersisterBase

Parameters:

path - The path.

id - The id.

clear

protected void clear(Path path)

Description copied from class: PersisterBase

Remove a possibly previously persisted object.

Specified by:

clear in class PersisterBase

Parameters:

path - The path.

toString

public String toString()

Overrides:

toString in class Object