/*

 * 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);

    }

}