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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under the terms of GNU Affero General Public
 * License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 * 
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the the GNU Affero General Public
 * License, along with The SmallMind Code Project. If not, see
 * .
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.swing.signal;

import org.smallmind.nutsnbolts.lang.UnknownSwitchCaseException;

public enum ReadySetGo {

  RED, YELLOW, GREEN;

  public ReadySetGo inc () {

    switch (this) {
      case RED:
        return YELLOW;
      case YELLOW:
        return GREEN;
      case GREEN:
        return GREEN;
      default:
        throw new UnknownSwitchCaseException(this.name());
    }
  }

  public ReadySetGo dec () {

    switch (this) {
      case RED:
        return RED;
      case YELLOW:
        return RED;
      case GREEN:
        return YELLOW;
      default:
        throw new UnknownSwitchCaseException(this.name());
    }
  }

}