<?php
/*
* Copyright 2007 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

namespace Zxing;

/**
* Thrown when a barcode was not found in the image. It might have been
* partially detected but could not be confirmed.
*
* @author Sean Owen
*/
final class NotFoundException extends ReaderException {

private static $instance;


public static function getNotFoundInstance() {
    if(!self::$instance ){
        self::$instance =  new NotFoundException();
    }
    return self::$instance;
}

}