83 lines
2.1 KiB
PHP
83 lines
2.1 KiB
PHP
<?php
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/**
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* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://aws.amazon.com/apache2.0
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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namespace Aws\Common\Waiter;
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use Aws\Common\Exception\InvalidArgumentException;
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use Aws\Common\Exception\RuntimeException;
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/**
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* Callable wait implementation
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*/
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class CallableWaiter extends AbstractWaiter
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{
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/**
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* @var callable Callable function
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*/
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protected $callable;
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/**
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* @var array Additional context for the callable function
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*/
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protected $context = array();
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/**
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* Set the callable function to call in each wait attempt
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*
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* @param callable $callable Callable function
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*
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* @return self
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* @throws InvalidArgumentException when the method is not callable
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*/
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public function setCallable($callable)
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{
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if (!is_callable($callable)) {
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throw new InvalidArgumentException('Value is not callable');
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}
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$this->callable = $callable;
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return $this;
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}
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/**
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* Set additional context for the callable function. This data will be passed into the callable function as the
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* second argument
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*
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* @param array $context Additional context
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*
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* @return self
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*/
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public function setContext(array $context)
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{
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$this->context = $context;
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function doWait()
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{
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if (!$this->callable) {
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throw new RuntimeException('No callable was specified for the wait method');
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}
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return call_user_func($this->callable, $this->attempts, $this->context);
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}
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}
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