91 lines
2.2 KiB
PHP
91 lines
2.2 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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/**
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* Factory that utilizes multiple factories for creating waiters
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*/
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class CompositeWaiterFactory implements WaiterFactoryInterface
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{
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/**
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* @var array Array of factories
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*/
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protected $factories;
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/**
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* @param array $factories Array of factories used to instantiate waiters
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*/
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public function __construct(array $factories)
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{
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$this->factories = $factories;
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}
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/**
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* {@inheritdoc}
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*/
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public function build($waiter)
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{
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if (!($factory = $this->getFactory($waiter))) {
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throw new InvalidArgumentException("Waiter was not found matching {$waiter}.");
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}
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return $factory->build($waiter);
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}
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/**
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* {@inheritdoc}
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*/
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public function canBuild($waiter)
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{
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return (bool) $this->getFactory($waiter);
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}
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/**
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* Add a factory to the composite factory
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*
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* @param WaiterFactoryInterface $factory Factory to add
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*
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* @return self
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*/
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public function addFactory(WaiterFactoryInterface $factory)
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{
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$this->factories[] = $factory;
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return $this;
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}
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/**
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* Get the factory that matches the waiter name
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*
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* @param string $waiter Name of the waiter
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*
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* @return WaiterFactoryInterface|bool
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*/
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protected function getFactory($waiter)
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{
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foreach ($this->factories as $factory) {
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if ($factory->canBuild($waiter)) {
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return $factory;
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}
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}
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return false;
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}
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}
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