org.davesag.generica.core
Interface Extensible

All Known Implementing Classes:

AbstractExtensibleContent, Category, Merchant

public interface Extensible

Objects that impliment the Extensible interface are saying they have meta-data attached in the form of key, value object pairs. By application specific use of meta data you can achieve a lot without having to further extend the object.

Since:

Generica 1.0

Version:

CVS Revision $Id: Extensible.java,v 1.4 2004/03/30 10:12:56 norm Exp $

Author:

Dave Sag http://www.davesag.com

Method Summary

void	addMetaData(String key, String metadata) Add a piece of MetaData to this object.
Map	getMetaData() Get the Map of MetaData about this text.
Object	getMetaData(Object key) returns the metadata for the particular key.
void	removeMetaData(String key) Remove a piece of MetaData from this object.
void	setMetaData(Map metadata) Set this objects's MetaData Map.

Method Detail

getMetaData

public Map getMetaData()

Get the Map of MetaData about this text.

Returns:

The Map of MetaData about this Extensible object.

getMetaData

public Object getMetaData(Object key)

returns the metadata for the particular key.

Parameters:

key - The key to the bit of meta data you want.

Returns:

The Value corresponding to the key.

setMetaData

public void setMetaData(Map metadata)

Set this objects's MetaData Map.

Parameters:

metadata - The Map of meta data for this object.

addMetaData

public void addMetaData(String key,
                        String metadata)

Add a piece of MetaData to this object.

Parameters:

key - The key under which to file the meta data.

metadata - The meta data to add.

removeMetaData

public void removeMetaData(String key)

Remove a piece of MetaData from this object.

Parameters:

key - The MetaData key to remove.