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Edit File: Retryable.php

<?php
/*
 * Copyright 2014 Google Inc.
 *
 * 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.
 */

if (!class_exists('UDP_Google_Client')) {
  require_once dirname(__FILE__) . '/../autoload.php';
}

/**
 * Interface for checking how many times a given task can be retried following
 * a failure.
 */
interface Google_Task_Retryable
{
  /**
   * Gets the number of times the associated task can be retried.
   *
   * NOTE: -1 is returned if the task can be retried indefinitely
   *
   * @return integer
   */
  public function allowedRetries();
}

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