public DoubleLinkedList()
{
head = new LinkedHead(this);
tail = new LinkedTail(this);
currentItteration = tail;
this.listSize = 0;
}
public void getRemove()
{
LinkedNodeElement currentNode = this.currentItteration;
this.currentItteration = this.currentItteration.getNextNode();
currentNode.removeSelf();
}
public T get()
{
LinkedNodeElement currentNode = this.currentItteration;
this.currentItteration = this.currentItteration.getNextNode();
return(currentNode.getElement());
}
public LinkedNodeElement addElement(T element, DoubleLinkedList <T> list)
{
LinkedNodeElement newNode = new LinkedNodeElement(element, list);
newNode.setNextNode(this.nextNode); // Head Add --> Tail^ order of these is important
newNode.setPreviousNode(this); // Head <-- Add Tail
this.nextNode.setPreviousNode(newNode); // Head Add <-- Tail^
this.nextNode = newNode; // Head --> Add Tail** change this.nextNode from tail to add LAST
return(newNode);
}
public ListNodeTicket <T> add(T element)
{
try
{
LinkedNodeElement newElement = this.head.addElement(element, this);
currentItteration = newElement;
listSize++;
return(new ListNodeTicket <T>(newElement));
}
catch (InvalidCastException e)
{
//System.err.println("Attempted to add entity without Composite DoubleLinkedList.");
return(null);
}
}
public void setNextNode(LinkedNodeElement nextNode)
{
this.nextNode = nextNode;
}
