com.ebmwebsourcing.easycommons.registry
Class ResourceRegistry<T>

java.lang.Object
  com.ebmwebsourcing.easycommons.registry.ResourceRegistry<T>

public class ResourceRegistry<T>
extends Object

This is a generic implementation of a resource registry. All methods that alter registry state are thread safe.

Author:

ofabre

Constructor Summary

ResourceRegistry()

Method Summary

T	lookup(String key)
void	register(String key, T resource)
void	unregister(String key)

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceRegistry

public ResourceRegistry()

Method Detail

register

public void register(String key,
                     T resource)

Parameters:

key - cannot be null

resource - cannot be null

Throws:

KeyAlreadyBoundException - if the provided key is already bound to a registered object

unregister

public void unregister(String key)

Parameters:

key - cannot be null

Throws:

KeyNotFoundException - if the provided key isn't found in registry

lookup

public T lookup(String key)

Parameters:

key - cannot be null

Returns:

the resource bound to this key or null if not found