nextcloud/apps/files_external/3rdparty/aws-sdk-php/Aws/Common/Waiter/CallableWaiter.php

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<?php
/**
* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 Aws\Common\Waiter;
use Aws\Common\Exception\InvalidArgumentException;
use Aws\Common\Exception\RuntimeException;
/**
* Callable wait implementation
*/
class CallableWaiter extends AbstractWaiter
{
/**
* @var callable Callable function
*/
protected $callable;
/**
* @var array Additional context for the callable function
*/
protected $context = array();
/**
* Set the callable function to call in each wait attempt
*
* @param callable $callable Callable function
*
* @return self
* @throws InvalidArgumentException when the method is not callable
*/
public function setCallable($callable)
{
if (!is_callable($callable)) {
throw new InvalidArgumentException('Value is not callable');
}
$this->callable = $callable;
return $this;
}
/**
* Set additional context for the callable function. This data will be passed into the callable function as the
* second argument
*
* @param array $context Additional context
*
* @return self
*/
public function setContext(array $context)
{
$this->context = $context;
return $this;
}
/**
* {@inheritdoc}
*/
public function doWait()
{
if (!$this->callable) {
throw new RuntimeException('No callable was specified for the wait method');
}
return call_user_func($this->callable, $this->attempts, $this->context);
}
}