1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/samples/privilegedcreator/src/org/apidesign/privileged/api/Executors.java	Mon May 25 18:27:02 2009 +0200
     1.3 @@ -0,0 +1,60 @@
     1.4 +
     1.5 +package org.apidesign.privileged.api;
     1.6 +
     1.7 +import java.util.concurrent.Executor;
     1.8 +
     1.9 +/**
    1.10 + *
    1.11 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.12 + */
    1.13 +public final class Executors {
    1.14 +    /** let's prefer factory methods */
    1.15 +    private Executors() {
    1.16 +    }
    1.17 +    
    1.18 +    
    1.19 +    public static Executor create() {
    1.20 +        return new Simple();
    1.21 +    }
    1.22 +    
    1.23 +    public static Executor create(boolean fair) {
    1.24 +        Configuration conf = new Configuration();
    1.25 +        conf.setFair(fair);
    1.26 +        return new Fair(conf);
    1.27 +    }
    1.28 +
    1.29 +    // BEGIN: design.less.privileged
    1.30 +    public static Executor create(Configuration config) {
    1.31 +        return new Fair(config);
    1.32 +    }
    1.33 +    
    1.34 +    public static final class Configuration {
    1.35 +        boolean fair;
    1.36 +        int maxWaiters = -1;
    1.37 +        
    1.38 +        public void setFair(boolean fair) {
    1.39 +            this.fair = fair;
    1.40 +        }
    1.41 +        public void setMaxWaiters(int max) {
    1.42 +            this.maxWaiters = max;
    1.43 +        }
    1.44 +    }
    1.45 +    // END: design.less.privileged
    1.46 +    
    1.47 +    private static final class Simple implements Executor {
    1.48 +        public synchronized void execute(Runnable command) {
    1.49 +            command.run();
    1.50 +        }
    1.51 +    }
    1.52 +    private static final class Fair implements Executor {
    1.53 +        private final Configuration conf;
    1.54 +        
    1.55 +        public Fair(Configuration conf) {
    1.56 +            this.conf = conf;
    1.57 +        }
    1.58 +        
    1.59 +        public void execute(Runnable command) {
    1.60 +            // TBD
    1.61 +        }
    1.62 +    }
    1.63 +}