package org.apidesign.privileged.api;

 import java.util.concurrent.Executor;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public final class Executors {

     /** let's prefer factory methods */

     private Executors() {

     }

     public static Executor create() {

         return new Simple();

     }

     public static Executor create(boolean fair) {

         Configuration conf = new Configuration();

         conf.setFair(fair);

         return new Fair(conf);

     }

     // BEGIN: design.less.privileged

     public static Executor create(Configuration config) {

         return new Fair(config);

     }

     public static final class Configuration {

         boolean fair;

         int maxWaiters = -1;

         public void setFair(boolean fair) {

             this.fair = fair;

         }

         public void setMaxWaiters(int max) {

             this.maxWaiters = max;

         }

     }

     // END: design.less.privileged

     private static final class Simple implements Executor {

         public synchronized void execute(Runnable command) {

             command.run();

         }

     }

     private static final class Fair implements Executor {

         private final Configuration conf;

         public Fair(Configuration conf) {

             this.conf = conf;

         }

         public void execute(Runnable command) {

             // TBD

         }

     }

 }