lrs
Class NENode<T>

java.lang.Object
  lrs.ANode<T>
      lrs.NENode<T>

 class NENode<T>
extends ANode<T>

Represents the non-empty state of a LStruct.

Since:

8/25/05

Field Summary

private T	_dat
private LRStruct<T>	_tail

Constructor Summary

NENode(T dat, LRStruct<T> tail)
Initializes this NENode to contain dat and a given tail list.

Method Summary

(package private) <R,P> R	execute(LRStruct<T> owner, IAlgo<T,R,P> algo, P... input) Calls the visitor's non-empty case.
(package private) T	getFirst(LRStruct<T> owner) Returns the first data object of the referencing LRStruct.
(package private) LRStruct<T>	getRest(LRStruct<T> owner) Returns the tail LRStruct of the referencing LRStruct.
(package private) LRStruct<T>	insertFront(T dat, LRStruct<T> owner) Inserts a data object at the front of the LRStruct owner.
(package private) T	removeFront(LRStruct<T> owner) Removes and returns the first data object for the referencing LRStruct.
(package private) LRStruct<T>	setFirst(T first, LRStruct<T> owner) Sets a new first data object for the referencing LRStruct.
(package private) LRStruct<T>	setRest(LRStruct<T> tail, LRStruct<T> owner) Sets a new tail for the referencing LRStruct.

Methods inherited from class lrs.ANode

toString

Methods inherited from class java.lang.Object

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

Field Detail

_dat

private T _dat

_tail

private LRStruct<T> _tail

Constructor Detail

NENode

NENode(T dat,
       LRStruct<T> tail)

Initializes this NENode to contain dat and a given tail list.

Parameters:

dat - the data object to be stored in this NENode.

tail - the LRStruct tail of this NENode.

Method Detail

getRest

LRStruct<T> getRest(LRStruct<T> owner)

Description copied from class: ANode

Returns the tail LRStruct of the referencing LRStruct.

Specified by:

getRest in class ANode<T>

Parameters:

owner - the LRStruct referencing this ANode.

Returns:

the tail LRStruct of owner.

getFirst

T getFirst(LRStruct<T> owner)

Description copied from class: ANode

Returns the first data object of the referencing LRStruct.

Specified by:

getFirst in class ANode<T>

Parameters:

owner - the LRStruct referencing this ANode.

Returns:

the tail LRStruct of owner.

setRest

LRStruct<T> setRest(LRStruct<T> tail,
                    LRStruct<T> owner)

Description copied from class: ANode

Sets a new tail for the referencing LRStruct.

Specified by:

setRest in class ANode<T>

Parameters:

tail - the new tail for the owner LRStruct.

owner - the LRS referencing this ANode.

Returns:

LRStruct owner

setFirst

LRStruct<T> setFirst(T first,
                     LRStruct<T> owner)

Description copied from class: ANode

Sets a new first data object for the referencing LRStruct.

Specified by:

setFirst in class ANode<T>

owner - the LRS referencing this ANode.

Returns:

LRStruct owner

insertFront

LRStruct<T> insertFront(T dat,
                        LRStruct<T> owner)

Inserts a data object at the front of the LRStruct owner.

Specified by:

insertFront in class ANode<T>

Parameters:

dat - the object to be inserted at the front.

owner - the LRS referencing this NENode.

Returns:

LRStruct owner

removeFront

T removeFront(LRStruct<T> owner)

Description copied from class: ANode

Removes and returns the first data object for the referencing LRStruct.

Specified by:

removeFront in class ANode<T>

Parameters:

owner - the LRS referencing this ANode.

Returns:

the front data of the LRStruct owner.

execute

<R,P> R execute(LRStruct<T> owner,
                IAlgo<T,R,P> algo,
                P... input)

Calls the visitor's non-empty case.

Specified by:

execute in class ANode<T>

Parameters:

owner - the LRStruct referencing this ANode.

algo - the visitor algorithm to be executed.

input - the inputs needed by the algorithm.