114 lines
2.3 KiB
Java
114 lines
2.3 KiB
Java
/*
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The contents of this file are subject to the AMP Open Community License
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Version 1.0 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License on the AMP web site
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(http://www.tibet.iteso.mx/Guatemala/).
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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License for the specific terms governing rights and limitations under the
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License.
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The Initial Developer of this software is Andres Montano Pellegrini. Portions
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created by Andres Montano Pellegrini are Copyright 2001 Andres Montano
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Pellegrini. All Rights Reserved.
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Contributor(s): ______________________________________.
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*/
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package org.thdl.util;
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/** Used by {@link SimplifiedLinkedList} to provide the implementation of a
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simple dynamic link list.
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@author Andrés Montano Pellegrini
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@see SimplifiedLinkedList
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@see SimplifiedListIterator
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*/
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public class Link
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{
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private Object obj;
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public Link siguiente;
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public Link(Object obj)
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{
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this.obj = obj;
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siguiente = null;
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}
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public String toString()
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{
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return obj.toString();
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}
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public Link createNext(Object obj)
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{
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return siguiente = new Link(obj);
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}
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public Link createPrevious(Object obj)
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{
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Link l = new Link(obj);
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l.siguiente=this;
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return l;
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}
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public Object get()
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{
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return obj;
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}
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public Link next()
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{
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return this.siguiente;
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}
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public int size()
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{
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int n=0;
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Link actual = this;
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while (actual != null)
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{
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n++;
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actual = actual.next();
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}
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return n;
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}
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public Object clone()
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{
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return new Link(obj);
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}
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public Link sort()
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{
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Link newCabeza = (Link) clone(), next = next(), newLink;
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while (next!=null)
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{
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newLink = (Link) next.clone();
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if (newLink.toString().compareTo(newCabeza.toString())<=0)
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{
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newLink.siguiente = newCabeza;
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newCabeza = newLink;
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}
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else newCabeza.insertSorted(newLink);
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next = next.next();
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}
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return newCabeza;
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}
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public void insertSorted(Link link)
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{
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if (siguiente==null)
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siguiente = link;
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else
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if (link.toString().compareTo(siguiente.toString())<=0)
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{
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link.siguiente = siguiente;
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siguiente = link;
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}
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else siguiente.insertSorted(link);
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}
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}
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