hg/apidesign: samples/apifest1/day1/elementbasedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java@4257f4cf226b

     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 public final class Circuit {

    25     private Circuit() {

    26     }

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

    29         return new Element() {

    30             public boolean result() {

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

    32             }

    33         };

    34     }

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

    36         return new Element() {

    37             public boolean result() {

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

    39             }

    40         };

    41     }

    43     public static Element not(final Element e1) {

    44         return new Element() {

    45             public boolean result() {

    46                 return !e1.result();

    47             }

    48         };

    49     }

    51     public static Variable var() {

    52         return new Variable();

    53     }

    55     public static abstract class Element {

    56         private Element() {

    57         }

    59         public abstract boolean result();

    60     }

    62     public static final class Variable extends Element {

    63         private boolean value;

    65         public void assignValue(boolean b) {

    66             value = b;

    67         }

    69         public boolean result() {

    70             return value;

    71         }

    72     }

    73 }

author	Jaroslav Tulach <jtulach@netbeans.org>
	Sat, 14 Jun 2008 09:52:45 +0200
changeset 52	4257f4cf226b
child 53	a0b47629aad8
permissions	-rw-r--r--