Package cdc.args

Class Singleton<T>

java.lang.Object

cdc.args.Singleton<T>

Type Parameters:

T - Type of created objects.

All Implemented Interfaces:

Factory<T>

public class Singleton<T>
extends Object
implements Factory<T>

Implementation of Factory dedicated to singletons.

Author:

Damien Carbonne

Constructor Summary

Constructors

Constructor	Description
Singleton(Class<T> objectClass, T object, Args meta)	Creates a Singleton factory.
Singleton(T object, Args meta)	Creates a Singleton factory.

Method Summary

Modifier and Type	Method	Description
T	create(Args args)	Creates a T instance.
List<FormalArgs>	getCreationFormalArgsList()	Returns a list of supported creation arguments.
Args	getMeta()
Class<T>	getObjectClass()

Methods inherited from class java.lang.Object

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

Methods inherited from interface cdc.args.Factory

create

Constructor Detail

Singleton

public Singleton(Class<T> objectClass,
                 T object,
                 Args meta)

Creates a Singleton factory.

Parameters:

objectClass - Class of created objects.

object - The singleton object to use. It is this instance that will be returned each time a creation is asked.

meta - The meta data associated to this factory.

Singleton

public Singleton(T object,
                 Args meta)

Creates a Singleton factory.

Class of created objects is the class of object.

Parameters:

object - The singleton object to use. It is this instance that will be returned each time a creation is asked.

meta - The meta data associated to this factory.

Method Detail

getObjectClass

public Class<T> getObjectClass()

Specified by:

getObjectClass in interface Factory<T>

Returns:

The class of built objects.

getMeta

public Args getMeta()

Specified by:

getMeta in interface Factory<T>

Returns:

The meta data associated to this factory.

getCreationFormalArgsList

public List<FormalArgs> getCreationFormalArgsList()

Description copied from interface: Factory

Returns a list of supported creation arguments.

This list must not be empty.
If creation does not need any arguments, a list containing FormalArgs.NO_FARGS should be returned.

Specified by:

getCreationFormalArgsList in interface Factory<T>

Returns:

A list of supported creation arguments.

create

public T create(Args args)

Description copied from interface: Factory

Creates a T instance.

Specified by:

create in interface Factory<T>

Parameters:

args - The creation arguments.

Returns:

A new T instance.