samples/apifest1/day1/welltestedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/samples/apifest1/day1/welltestedsolution/src/org/netbeans/apifest/boolcircuit/Circuit.java Sat Jun 14 09:52:45 2008 +0200
1.3 @@ -0,0 +1,162 @@
1.4 +/*
1.5 + * The contents of this file are subject to the terms of the Common Development
1.6 + * and Distribution License (the License). You may not use this file except in
1.7 + * compliance with the License.
1.8 + *
1.9 + * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
1.10 + * or http://www.netbeans.org/cddl.txt.
1.11 + *
1.12 + * When distributing Covered Code, include this CDDL Header Notice in each file
1.13 + * and include the License file at http://www.netbeans.org/cddl.txt.
1.14 + * If applicable, add the following below the CDDL Header, with the fields
1.15 + * enclosed by brackets [] replaced by your own identifying information:
1.16 + * "Portions Copyrighted [year] [name of copyright owner]"
1.17 + *
1.18 + * The Original Software is NetBeans. The Initial Developer of the Original
1.19 + * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
1.20 + * Microsystems, Inc. All Rights Reserved.
1.21 + */
1.22 +
1.23 +package org.netbeans.apifest.boolcircuit;
1.24 +
1.25 +/**
1.26 + */
1.27 +public abstract class Circuit {
1.28 +
1.29 + public static Circuit createNotCircuit(Circuit in) {
1.30 + return new NotCircuit(in);
1.31 + }
1.32 +
1.33 + public static Circuit createOrCircuit(Circuit in1, Circuit in2) {
1.34 + return new OrCircuit(in1, in2);
1.35 + }
1.36 +
1.37 + public static Circuit createAndCircuit(Circuit in1, Circuit in2) {
1.38 + return new AndCircuit(in1, in2);
1.39 + }
1.40 +
1.41 + private Circuit() {
1.42 +
1.43 + }
1.44 +
1.45 + public abstract boolean evaluate(Boolean ... inputs);
1.46 +
1.47 + abstract int inputs();
1.48 +
1.49 + private static class NotCircuit extends Circuit {
1.50 +
1.51 + private Circuit in;
1.52 +
1.53 + NotCircuit (Circuit in) {
1.54 + this.in = in;
1.55 + }
1.56 +
1.57 + int inputs() {
1.58 + return in == null? 1: in.inputs();
1.59 + }
1.60 +
1.61 + public boolean evaluate (Boolean ... inputs) {
1.62 + if (inputs == null || inputs.length != inputs()) {
1.63 + throw new IllegalArgumentException();
1.64 + }
1.65 + Boolean o = inputs[0];
1.66 + if (in != null) {
1.67 + return !in.evaluate(inputs);
1.68 + }
1.69 + else if (o != null) {
1.70 + return !o.booleanValue();
1.71 + }
1.72 + throw new IllegalArgumentException();
1.73 + }
1.74 + }
1.75 +
1.76 + private static class AndCircuit extends Circuit {
1.77 + private Circuit in1, in2;
1.78 +
1.79 + AndCircuit (Circuit in1, Circuit in2) {
1.80 + this.in1 = in1;
1.81 + this.in2 = in2;
1.82 + }
1.83 +
1.84 + int inputs() {
1.85 + return (in1 == null? 1: in1.inputs()) + (in2 == null? 1: in2.inputs()) ;
1.86 + }
1.87 +
1.88 + public boolean evaluate (Boolean ... inputs) {
1.89 + if (inputs == null || inputs.length != inputs()) {
1.90 + throw new IllegalArgumentException();
1.91 + }
1.92 + boolean x1, x2;
1.93 + Boolean o1 = inputs[0];
1.94 + if (in1 != null) {
1.95 + Boolean[] ins1 = new Boolean[in1.inputs()];
1.96 + System.arraycopy(inputs, 0, ins1, 0, in1.inputs());
1.97 + x1 = in1.evaluate(ins1);
1.98 + }
1.99 + else if (o1 != null) {
1.100 + x1 = o1.booleanValue();
1.101 + }
1.102 + else {
1.103 + throw new IllegalArgumentException();
1.104 + }
1.105 + Boolean o2 = inputs[in1 != null? in1.inputs(): 1];
1.106 + if (in2 != null) {
1.107 + Boolean[] ins2 = new Boolean[in2.inputs()];
1.108 + System.arraycopy(inputs, in1 != null? in1.inputs(): 1, ins2, 0, in2.inputs());
1.109 + x2 = in2.evaluate(ins2);
1.110 + }
1.111 + else if (o2 != null) {
1.112 + x2 = o2.booleanValue();
1.113 + }
1.114 + else {
1.115 + throw new IllegalArgumentException();
1.116 + }
1.117 + return x1 && x2;
1.118 + }
1.119 + }
1.120 +
1.121 + private static class OrCircuit extends Circuit {
1.122 + private Circuit in1, in2;
1.123 +
1.124 + OrCircuit (Circuit in1, Circuit in2) {
1.125 + this.in1 = in1;
1.126 + this.in2 = in2;
1.127 + }
1.128 +
1.129 + int inputs() {
1.130 + return (in1 == null? 1: in1.inputs()) + (in2 == null? 1: in2.inputs()) ;
1.131 + }
1.132 +
1.133 + public boolean evaluate (Boolean ... inputs) {
1.134 + if (inputs == null || inputs.length != inputs()) {
1.135 + throw new IllegalArgumentException();
1.136 + }
1.137 + boolean x1, x2;
1.138 + Boolean o1 = inputs[0];
1.139 + if (in1 != null) {
1.140 + Boolean[] ins1 = new Boolean[in1.inputs()];
1.141 + System.arraycopy(inputs, 0, ins1, 0, in1.inputs());
1.142 + x1 = in1.evaluate(ins1);
1.143 + }
1.144 + else if (o1 != null) {
1.145 + x1 = o1.booleanValue();
1.146 + }
1.147 + else {
1.148 + throw new IllegalArgumentException();
1.149 + }
1.150 + Boolean o2 = inputs[in1 != null? in1.inputs(): 1];
1.151 + if (in2 != null) {
1.152 + Boolean[] ins2 = new Boolean[in2.inputs()];
1.153 + System.arraycopy(inputs, in1 != null? in1.inputs(): 1, ins2, 0, in2.inputs());
1.154 + x2 = in2.evaluate(ins2);
1.155 + }
1.156 + else if (o2 != null) {
1.157 + x2 = o2.booleanValue();
1.158 + }
1.159 + else {
1.160 + throw new IllegalArgumentException();
1.161 + }
1.162 + return x1 || x2;
1.163 + }
1.164 + }
1.165 +}