net.markenwerk.commons.datastructures

Class AbstractOptionalSelection<Payload,Result>

java.lang.Object

net.markenwerk.commons.datastructures.AbstractOptionalSelection<Payload,Result>

Type Parameters:

Payload - The payload type.

Result - The result type.

All Implemented Interfaces:

OptionalSelection<Payload,Result>

Direct Known Subclasses:

NullOptionalSelection

public abstract class AbstractOptionalSelection<Payload,Result>
extends Object
implements OptionalSelection<Payload,Result>

An AbstractOptionalSelection is a OptionalSelection with empty methods. It is intended a base implementation for custom OptionalSelection implementations, that don't need to implement all methods.

Since:

1.2.1

Author:

Torsten Krause (tk at markenwerk dot net)

Constructor Summary

Constructors

Constructor and Description
AbstractOptionalSelection()

Method Summary

Modifier and Type	Method and Description
Result	onNoValue() Called by the handled Optional if it has no payload value.
Result	onValue(Payload payload) Called by the handled Optional if it has has a value.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractOptionalSelection

public AbstractOptionalSelection()

Method Detail

onNoValue

public Result onNoValue()

Description copied from interface: OptionalSelection

Called by the handled Optional if it has no payload value.

Specified by:

onNoValue in interface OptionalSelection<Payload,Result>

Returns:

A result value.

onValue

public Result onValue(Payload payload)

Description copied from interface: OptionalSelection

Called by the handled Optional if it has has a value.

Specified by:

onValue in interface OptionalSelection<Payload,Result>

Parameters:

payload - The payload value of the handled Optional.

Returns:

A result value.