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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Overblog\GraphQLBundle\Resolver; |
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use Overblog\GraphQLBundle\Resolver\Cache\CacheInterface; |
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use Overblog\GraphQLBundle\Resolver\Cache\ArrayCache; |
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abstract class AbstractResolver implements ResolverInterface |
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{ |
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/** |
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* @var array |
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*/ |
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private $solutions = []; |
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/** |
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* @var array |
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*/ |
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private $solutionOptions = []; |
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/** |
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* @var CacheInterface |
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*/ |
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protected $cache; |
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public function __construct(CacheInterface $cache = null) |
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{ |
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$this->cache = null !== $cache ? $cache : new ArrayCache(); |
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} |
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public function addSolution($name, $solution, $options = []) |
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{ |
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if (!$this->supportsSolution($solution)) { |
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throw new UnsupportedResolverException( |
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sprintf('Resolver "%s" must be "%s" "%s" given.', $name, $this->supportedSolutionClass(), get_class($solution)) |
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); |
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} |
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$this->solutions[$name] = $solution; |
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$this->solutionOptions[$name] = $options; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getSolutions() |
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{ |
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return $this->solutions; |
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} |
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/** |
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* @param $name |
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* |
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* @return mixed |
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*/ |
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public function getSolution($name) |
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{ |
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return isset($this->solutions[$name]) ? $this->solutions[$name] : null; |
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} |
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/** |
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* @param $name |
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* |
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* @return mixed |
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*/ |
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public function getSolutionOptions($name) |
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{ |
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return isset($this->solutionOptions[$name]) ? $this->solutionOptions[$name] : []; |
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} |
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/** |
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* @param $input |
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* |
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* @return mixed |
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*/ |
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abstract public function resolve($input); |
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/** |
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* @param mixed $solution |
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* |
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* @return bool |
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*/ |
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protected function supportsSolution($solution) |
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{ |
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$supportedClass = $this->supportedSolutionClass(); |
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return null === $supportedClass || $solution instanceof $supportedClass; |
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} |
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/** |
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* default return null to accept mixed type. |
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* |
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* @return null|string supported class name |
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*/ |
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protected function supportedSolutionClass() |
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{ |
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return; |
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} |
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} |
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overblog /
GraphQLBundle
