1 package org.eclipse.example.library;

     2 

     3 /**

     4  * @model

     5  */

     6 public interface Book

     7 {

     8   /**

     9    * @model

    10    */

    11   String getTitle();

    12 

    13   /**

    14    * @model default="100"

    15    */

    16   int getPages();

    17 

    18   /**

    19    * @model

    20    */

    21   BookCategory getCategory();

    22 

    23   /**

    24    * @model oppoosite="books"

    25    */

    26   Writer getAuthor();

    27 }