jtge.engine.data
Class Resolver

java.lang.Object
  jtge.engine.data.Resolver

All Implemented Interfaces:

IResolver

public class Resolver

extends java.lang.Object

implements IResolver

Implements a data identifier resolver.

This class registers data in order to retrieve them later based on their identifier.

Version:

$Revision: 1.3 $ $Date: 2005/08/26 18:09:35 $

Author:

Mathieu Champlon

Constructor Summary

Resolver()
Create a resolver.

Method Summary

boolean	register(IData data) Register a new data.
IData	resolve(java.lang.String identifier) Retrieve a data based on its identifier.
boolean	unregister(IData data) Unregister a data.

Methods inherited from class java.lang.Object

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

Constructor Detail

Resolver

public Resolver()

Create a resolver.

Method Detail

register

public final boolean register(IData data)

Register a new data.

The data cannot be registered if another data with the same identifier already exists.

Specified by:

register in interface IResolver

Parameters:

data - the data to register

Returns:

Whether the data has been registered or not

unregister

public final boolean unregister(IData data)

Unregister a data.

The data cannot be unregistered if it has not been previously registered.

Parameters:

data - the data to unregister

Returns:

Whether the data has been unregistered or not

resolve

public final IData resolve(java.lang.String identifier)

Retrieve a data based on its identifier.

Specified by:

resolve in interface IResolver

Parameters:

identifier - the data identifier

Returns:

the matching data or null if none