content: /* Alloy Analyzer 4 -- Copyright (c) 2006-2009, Felix Chang
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
   * (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify,
   * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
   * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package edu.mit.csail.sdg.alloy4graph;
  
  /**
   * Immutable; this defines the set of possible edge directions.
   * <p>
   * <b>Thread Safety:</b> Can be called only by the AWT event thread.
   */
  
  public enum DotDirection {
  
                            /** Going forward. */
                            FORWARD("forward"),
                            /** Going backward. */
                            BACK("back"),
                            /** Going both ways. */
                            BOTH("both");
  
      /** The text to display. */
      private final String displayText;
  
      /** Constructs a new DotDirection object. */
      private DotDirection(String text) {
          this.displayText = text;
      }
  
      /**
       * Returns the String that should be written into the dot file for this value,
       * when used with the given palette.
       */
      public String getDotText() {
          return displayText;
      }
  }
  