hg/apidesign: samples/apifest1/day1/elementbasedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java@a0b47629aad8

     1 /*

     2  * The contents of this file are subject to the terms of the Common Development

     3  * and Distribution License (the License). You may not use this file except in

     4  * compliance with the License.

     5  *

     6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html

     7  * or http://www.netbeans.org/cddl.txt.

     8  *

     9  * When distributing Covered Code, include this CDDL Header Notice in each file

    10  * and include the License file at http://www.netbeans.org/cddl.txt.

    11  * If applicable, add the following below the CDDL Header, with the fields

    12  * enclosed by brackets [] replaced by your own identifying information:

    13  * "Portions Copyrighted [year] [name of copyright owner]"

    14  *

    15  * The Original Software is NetBeans. The Initial Developer of the Original

    16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun

    17  * Microsystems, Inc. All Rights Reserved.

    18  */

    20 package org.netbeans.apifest.boolcircuit;

    22 /**

    23  */

    24 // BEGIN: apifest.day1.elementbasedsolution.Circuit

    25 public final class Circuit {

    26     private Circuit() {

    27     }

    29     public static Element and(final Element e1, final Element e2) {

    30         return new Element() {

    31             public boolean result() {

    32                 return e1.result() && e2.result();

    33             }

    34         };

    35     }

    36     public static Element or(final Element e1, final Element e2) {

    37         return new Element() {

    38             public boolean result() {

    39                 return e1.result() || e2.result();

    40             }

    41         };

    42     }

    44     public static Element not(final Element e1) {

    45         return new Element() {

    46             public boolean result() {

    47                 return !e1.result();

    48             }

    49         };

    50     }

    52     public static Variable var() {

    53         return new Variable();

    54     }

    56     public static abstract class Element {

    57         private Element() {

    58         }

    60         public abstract boolean result();

    61     }

    63     public static final class Variable extends Element {

    64         private boolean value;

    66         public void assignValue(boolean b) {

    67             value = b;

    68         }

    70         public boolean result() {

    71             return value;

    72         }

    73     }

    74 }

    75 // END: apifest.day1.elementbasedsolution.Circuit

author	Jaroslav Tulach <jtulach@netbeans.org>
	Sat, 14 Jun 2008 09:52:47 +0200
changeset 53	a0b47629aad8
parent 52	4257f4cf226b
permissions	-rw-r--r--