xapi.util.api

Interface RemovalHandler

All Known Implementing Classes:

RemovesMultiHandlers

public interface RemovalHandler

An interface used to send back an opaque method to clear some kind of state. Useful when classes need to be able to clear state without exposing sensitive internals.

Author:

James X. Nelson (james@wetheinter.net, @james)

Field Summary

Fields

Modifier and Type	Field and Description
static RemovalHandler	DoNothing A public static no-op.

Method Summary

Methods

Modifier and Type	Method and Description
void	remove() Clear some kind of state; usually removing an event handler.

Field Detail

DoNothing

static final RemovalHandler DoNothing

A public static no-op. Rather than use a null handler and perform null checks on every access, use this Non Operational constant object to avoid allowing null fields

Method Detail

remove

void remove()

Clear some kind of state; usually removing an event handler.