ObjectListNode

Kind of class:	class
Inherits from:	none
Implements:	ListNode
Classpath:	org.springsoft.aslib.ObjectListNode
File last modified:	Saturday, 22 January 2005, 14:27:02

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/*

ObjectListNode is part of ASLib

Copyright (C) 2004 Thomas P. Amsler

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Thomas Amsler
tamsler@cal.berkeley.edu

*/

/*
=====================================================================
    Requires:
    ActionScript 2.0

    Description:
    Object Node is an implementation of the Node class. 
    Used for stack class.
=====================================================================
*/

import org.springsoft.aslib.ListNode;
import org.springsoft.aslib.SingleLinkedListObject;

class org.springsoft.aslib.ObjectListNode implements ListNode
{
    // Reference to next node
    private var next_:ObjectListNode;

    // Node data member
    private var data_:SingleLinkedListObject;

    /**
    * ObjectListNode Constructor
    *
    * @param data Object data
    */
    function ObjectListNode(data:SingleLinkedListObject) 
    {
        next_ = null;
        data_ = data;
    }

    /**
    * Implement get method
    *
    * @returns object data
    */
    public function get(Void):SingleLinkedListObject
    {
        return data_;
    }

    /**
    * Implement getNext method
    *
    * @returns the next list node
    */
    public function getNext(Void):ListNode
    {
        return next_;
    }

    /**
    * Implement setNext method
    *
    * @param node Node to be linked by the next reference
    */
    public function setNext(node:ListNode):Void
    {
        next_ = ObjectListNode(node);
    }

    /**
    * Implement set method
    *
    * @param data Object data
    */
    public function set(data:SingleLinkedListObject):Void
    {
        data_ = data;
    }

    /**
    * Implement toString method
    *
    * @returns the list node's string representation
    */
    public function toString(Void):String 
    {    
        return data_.toString();
    }

    /**
    * Implement getKey method
    *
    * @returns the list node's key
    */
    public function getKey(Void):Number
    {
        return data_.getKey();
    }
}