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/*
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* CircuitFactory.java
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*
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* Created on July 12, 2006, 3:01 PM
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*
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* To change this template, choose Tools | Template Manager
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* and open the template in the editor.
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*/
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package org.netbeans.apifest.boolcircuit;
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import java.util.Stack;
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/**
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*
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*/
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public class CircuitFactory {
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/** Creates a new instance of CircuitFactory */
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private CircuitFactory() {
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}
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public final static Circuit join (final Circuit c1, final Circuit c2, final Operation op) {
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return new Circuit () {
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public char evaluate(Stack input) throws IllegalArgumentException {
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return op.evaluate(c1.evaluate(input), c2.evaluate(input));
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}
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};
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}
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public final static Circuit2 join (final Circuit2 c1, final Circuit2 c2, final Operation op) {
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return new Circuit2 () {
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public char evaluate(Stack input) throws IllegalArgumentException {
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return op.evaluate(c1.evaluate(input), c2.evaluate(input));
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}
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public double evaluate(double ... input) throws IllegalArgumentException {
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return op.evaluate(c1.evaluate(input), c2.evaluate(input));
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}
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};
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}
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public final static Circuit2 getBasicCircuit (final Operation op) {
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return new Circuit2 () {
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public double evaluate(double... input) throws IllegalArgumentException {
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if (input == null || input.length == 1) {
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throw new IllegalArgumentException ("Invalid input array.");
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}
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return op.evaluate(input[0], input[1]);
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}
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public char evaluate(Stack<Character> input) throws IllegalArgumentException {
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// special handling of unary oparation
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if (op instanceof Operation.Neg) {
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return op.evaluate(input.pop(), input.peek());
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} else {
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return op.evaluate(input.pop(), input.pop());
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}
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}
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};
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}
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// public final static Circuit2 getBasicCircuit (final Operation op, final int posX, final int posY) {
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// return new Circuit2 () {
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// public double evaluate(double... input) throws IllegalArgumentException {
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// return op.evaluate(input[posX], input[posY]);
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// }
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//
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// public char evaluate(Stack<Character> input) throws IllegalArgumentException {
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// return getBasicCircuit (op).evaluate(input);
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// }
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// };
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// }
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// public final static Circuit2 getBasicCircuit (final Operation op, final Circuit2 c1, final Circuit2 c2) {
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// return new Circuit2 () {
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// public double evaluate(double... input) throws IllegalArgumentException {
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// return op.evaluate(c2.evaluate(input), c2.evaluate(input));
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// }
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//
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// public char evaluate(Stack<Character> input) throws IllegalArgumentException {
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// return getBasicCircuit (op).evaluate(input);
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// }
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// };
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// }
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public final static Circuit getTrivialCircuit () {
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return new Circuit () {
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public char evaluate(Stack<Character> input) throws IllegalArgumentException {
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return input.peek();
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}
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};
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}
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public final static Circuit2 getTrivialCircuit (final int posX) {
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return new Circuit2 () {
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public double evaluate(double... input) throws IllegalArgumentException {
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return input[posX];
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}
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public char evaluate(Stack<Character> input) throws IllegalArgumentException {
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return getTrivialCircuit ().evaluate(input);
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}
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};
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}
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}
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