package de.fhdw.wtf.common.token;
   
   /**
    * This token signalizes the end of a stream.
    */
   public class EndToken extends Token {
   	
   	/**
   	 * generated.
  	 */
  	private static final long serialVersionUID = 3907661300211152274L;
  	/**
  	 * Defines constant for hashCodeTemplate().
  	 */
  	private static final int HASHCODE_TEMPLATE_CONSTANT = 36298324;
  	
  	/**
  	 * To-String of this class.
  	 */
  	private static final String TOSTRING = "";
  	
  	/**
  	 * Private Constructor for EndToken. Use create(...)-Factory instead!
  	 * 
  	 * @param position
  	 *            start position of this token in the original input.
  	 */
  	protected EndToken(final Position position) {
  		super(position);
  	}
  	
  	/**
  	 * Factory for a {@link EndToken}.
  	 * 
  	 * @param position
  	 *            start position of this token in the original input.
  	 * @return a new instance of this token
  	 */
  	public static EndToken create(final Position position) {
  		return new EndToken(position);
  	}
  	
  	@Override
  	public boolean isEndToken() {
  		return true;
  	}
  	
  	@Override
  	protected boolean equalsTemplate(final Token t) {
  		return t.isEndToken();
  	}
  	
  	@Override
  	protected int hashCodeTemplate() {
  		return HASHCODE_TEMPLATE_CONSTANT;
  	}
  	
  	@Override
  	public boolean equals(final Object o) {
  		if (o instanceof EndToken) {
  			return super.equals(o);
  		}
  		return false;
  	}
  	
  	@Override
  	public int hashCode() {
  		return super.hashCode();
  	}
  	
  	@Override
  	public String stringRepresentation() {
  		return TOSTRING;
  	}
  	
  	@Override
  	public int getLength() {
  		return 0;
  	}
  	
  }