com.phloc.commons.callback

Interface IChangeNotify<DATATYPE>

Type Parameters:

DATATYPE - The type of object that is changed

All Superinterfaces:

Serializable

public interface IChangeNotify<DATATYPE>
extends Serializable

Simple notification interface.

Author:

Philip Helger

Method Summary

Methods

Modifier and Type	Method and Description
void	afterChange(DATATYPE aChangedObject) Called after the object changed.
EContinue	beforeChange(DATATYPE aObjectToChange) Called before the object will be changed.

Method Detail

beforeChange

@Nonnull
EContinue beforeChange(@Nonnull
                             DATATYPE aObjectToChange)

Called before the object will be changed.

Parameters:

aObjectToChange - The object to be changed. Never null.

Returns:

EContinue.CONTINUE if the action may be performed. If the return value is EContinue.BREAK the action will not be performed.

afterChange

void afterChange(@Nonnull
               DATATYPE aChangedObject)

Called after the object changed.

Parameters:

aChangedObject - The changed object. Never null.