webwork.action

Interface PrepareAction

public interface PrepareAction

An Action wanting to prepare its state before receiving parameters should implement this interface.

A common use is to get current state from a database, which then is overwritten partially by input parameters. The new state, including the old that was not overwritten, may then be sent back to the database

Version:

$Revision: 1.6 $

Author:

Rickard Öberg (rickard@middleware-company.com)

See Also:

Action

Method Summary

Methods

Modifier and Type	Method and Description
void	prepare() This method is called to allow the action to prepare itself before receiving parameters through its set-methods.

Method Detail

prepare

void prepare()
             throws Exception

This method is called to allow the action to prepare itself before receiving parameters through its set-methods.

All *Aware interfaces are checked before this, so the action can rely on addition information to have been sent through the callbacks (e.g. the application session, or user session)

Throws:

Exception - thrown if a system level exception occurs.