listFW.factory
Class CompositeListFactory<E>

java.lang.Object
  listFW.factory.CompositeListFactory<E>

All Implemented Interfaces:

IListFactory<E>

public class CompositeListFactory<E>
extends java.lang.Object
implements IListFactory<E>

Manufactures concrete IMTList and INEList objects. The INEList object is implemented as a private anonymous inner object. The implementations for MTList and NEList are completely invisible to the outside of this factory.

Since:

Copyright 2004 by SBW & DXN - All rights reserved

Field Summary

private IMTList<E>	mtList Note: A parametrized IMTList(E> cannot be static.
private static IListAlgo<java.lang.Object,java.lang.String,?>	toStringAlgo

Constructor Summary

CompositeListFactory()

Method Summary

IMTList<E>	makeEmptyList() Creates an empty list.
INEList<E>	makeNEList(E first, IList<? extends E> rest) Creates a non-empty list containing a given first and a given rest.

Methods inherited from class java.lang.Object

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

Field Detail

mtList

private final IMTList<E> mtList

Note: A parametrized IMTList(E> cannot be static.

toStringAlgo

private static final IListAlgo<java.lang.Object,java.lang.String,?> toStringAlgo

Constructor Detail

CompositeListFactory

public CompositeListFactory()

Method Detail

makeEmptyList

public IMTList<E> makeEmptyList()

Creates an empty list.

Specified by:

makeEmptyList in interface IListFactory<E>

Returns:

an IMTList object.

makeNEList

public INEList<E> makeNEList(E first,
                             IList<? extends E> rest)

Creates a non-empty list containing a given first and a given rest.

Specified by:

makeNEList in interface IListFactory<E>

Parameters:

first - a data object.

rest - != null, the rest of the non-empty list to be manufactured.

Returns:

an INEList object containing first and rest