/*

  * Factory.java

  *

  * Created on July 12, 2006, 2:21 PM

  *

  * To change this template, choose Tools | Template Manager

  * and open the template in the editor.

  */

 package org.netbeans.apifest.boolcircuit;

 /**

  *

  */

 public class Factory {

     /** Creates a new instance of Factory */

     private Factory() {

     }

     public static Input createSimpleBooleanInput(boolean value) {

         return new BooleanInput(value);

     }

     /**

      * @throws IllegalArgument if the boolean operation was already used as input for another operation..

      */

     public static Input createOperationBasedBooleanInput(Operation op) throws IllegalArgumentException {

         assert op != null;

         if (op.isUsed()) {

             throw new IllegalArgumentException("Cannot use a single operation repeatedly.");

         }

         op.markOperationAsUsed();

         return new OperationInput(op);

     }

     public static Operation createAndOperation(Input one, Input two) {

         assert one != null;

         assert two != null;

         return new AndOperation(one, two);

     }

     public static Operation createOrOperation(Input one, Input two) {

         assert one != null;

         assert two != null;

         return new OrOperation(one, two);

     }

     public static Operation createNotOperation(Input one) {

         assert one != null;

         return new NotOperation(one);

     }

 }