<?php
/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *
 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 * @version //autogentag//
 * @filesource
 * @package Execution
 */

/**
 * Interface for Execution callback handlers.
 *
 * This interface describes the methods that an Execution callback handler
 * should implement.
 * @version //autogentag//
 *
 * For an example see {@link ezcExecution}.
 *
 * @package Execution
 */
interface ezcExecutionErrorHandler
{
    /**
     * Processes an error situation
     *
     * This method is called by the ezcExecution environment whenever an error
     * situation (uncaught exception or fatal error) happens.  It accepts one
     * default parameter in case there was an uncaught exception.
     *
     * @param Exception $e 
     * @return void
     */
    static public function onError( Exception $e = null );
}
?>