package list.dl.algo;

import list.dl.DLList;

/**
* Returns the right end list.
*/
public class GetRightEnd implements IAlgoRight
{
	final public static GetRightEnd Singleton = new GetRightEnd ();

	private GetRightEnd()
	{
	}

	/**
	 * @param host 
	 * @param input 
	 * @return 
	 */
	public Object rightEndCase(DLList host, Object input)
	{
		return host;
	}

	/**
	 * @param host 
	 * @param input 
	 * @return 
	 */
	public Object dataNodeCase(DLList host, Object input)
	{
		return host.getRightRest().executeRight (this, null);
	}
}