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<?php |
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/** |
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* PHP Deal framework |
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* |
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* @copyright Copyright 2014, Lisachenko Alexander <[email protected]> |
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* |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace PhpDeal\Contract; |
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use Doctrine\Common\Annotations\Reader; |
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use Go\Aop\Intercept\MethodInvocation; |
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use PhpDeal\Contract\Fetcher\ParentClass\InvariantFetcher; |
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use PhpDeal\Exception\ContractViolation; |
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use PhpDeal\Annotation\Invariant; |
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use ReflectionClass; |
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class InvariantContract extends Contract |
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{ |
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/** |
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* @var InvariantFetcher |
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*/ |
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private $invariantFetcher; |
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public function __construct(Reader $reader) |
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{ |
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parent::__construct($reader); |
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$this->invariantFetcher = new InvariantFetcher(Invariant::class); |
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} |
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/** |
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* Verifies invariants for contract class |
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* |
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* @Around("@within(PhpDeal\Annotation\Invariant) && execution(public **->*(*))") |
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* @param MethodInvocation $invocation |
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* @throws ContractViolation |
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* @return mixed |
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*/ |
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public function check(MethodInvocation $invocation) |
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{ |
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$object = $invocation->getThis(); |
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$args = $this->getMethodArguments($invocation); |
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$class = $invocation->getMethod()->getDeclaringClass(); |
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if ($class->isCloneable()) { |
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$args['__old'] = clone $object; |
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} |
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$result = $invocation->proceed(); |
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$args['__result'] = $result; |
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$allContracts = $this->makeContractsUnique($this->fetchAllContracts($class)); |
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$this->fulfillContracts($allContracts, $object, $class->name, $args, $invocation); |
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return $result; |
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} |
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/** |
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* @param ReflectionClass $class |
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* @return array |
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*/ |
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private function fetchAllContracts(ReflectionClass $class) |
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{ |
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$allContracts = $this->fetchParentsContracts($class); |
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foreach ($this->reader->getClassAnnotations($class) as $annotation) { |
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if ($annotation instanceof Invariant) { |
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$allContracts[] = $annotation; |
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} |
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} |
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return $allContracts; |
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} |
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/** |
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* @param ReflectionClass $class |
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* @return array |
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*/ |
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private function fetchParentsContracts(ReflectionClass $class) |
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{ |
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return $this->invariantFetcher->getConditions( |
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$class, |
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$this->reader |
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); |
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} |
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} |
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php-deal /
framework
