org.dasein.util
Class MapLoader<T>

java.lang.Object
  org.dasein.util.MapLoader<T>

Type Parameters:

T - the type for elements being loaded by instances of the loader

All Implemented Interfaces:

CacheLoader<T>

public class MapLoader<T>
extends Object
implements CacheLoader<T>

Loads objects of a specific class automatically from a Map. The map should have object attribute names as keys and the values to assign to those keys as values.

Last modified: $Date: 2006/06/20 20:12:00 $

Version:

$Revision: 1.4 $

Author:

George Reese

Constructor Summary

MapLoader(Class<T> cls)
Constructs a loader that will load values into instances of the specified class.

Method Summary

T	load(Object... args) Creates a new instance of the class this map loader is governing and loads it with values.
void	load(T item, Map vals) Loads the specified values into the specified object instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapLoader

public MapLoader(Class<T> cls)

Constructs a loader that will load values into instances of the specified class.

Parameters:

cls - the class for which instances will be created and loaded

Method Detail

load

public T load(Object... args)

Creates a new instance of the class this map loader is governing and loads it with values.

Specified by:

load in interface CacheLoader<T>

Parameters:

args - only one argument is expected, a Map with attribute names as keys and object values for those attributes as values

Returns:

a valid item for the cache or null

load

public void load(T item,
                 Map vals)

Loads the specified values into the specified object instance.

Parameters:

item - the object into which values are being loaded

vals - the values to load into the object