package list.dl.algo;

import list.dl.DLList;

/**
* Prints the host from the left end to the right end.
 * @dependency list.dl.algo.PrintRight uses
 * @dependency list.dl.algo.PrintLeft uses
 */
public class PrintList implements IDLAlgo
{
	final public static PrintList Singleton = new PrintList();
                                         
	private PrintList()
	{
	}
	/**
	 * @param hostList
	 * @param inputParam 
	 * @return
	 */
	public Object visit(DLList hostList, Object inputParam)
	{
      hostList.executeLeft(PrintLeft.Singleton, null);
      hostList.executeRight (PrintRight.Singleton, null);
      return null;
	}
}