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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\Aspect; |
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use Doctrine\Common\Annotations\Reader; |
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use Go\Aop\Aspect; |
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use Go\Aop\Intercept\MethodInvocation; |
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use Go\Lang\Annotation\Around; |
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use Go\Lang\Annotation\Before; |
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use PhpDeal\Contract\InvariantContract; |
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use PhpDeal\Contract\PostconditionContract; |
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use PhpDeal\Contract\PreconditionContract; |
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use PhpDeal\Exception\ContractViolation; |
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class ContractCheckerAspect implements Aspect |
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{ |
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/** |
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* Annotation reader |
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* |
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* @var Reader |
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*/ |
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private $reader; |
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/** |
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* Default constructor |
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* |
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* @param Reader $reader Annotation reader |
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*/ |
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public function __construct(Reader $reader) |
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{ |
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$this->reader = $reader; |
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} |
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/** |
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* Verifies pre-condition contract for the method |
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* |
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* @param MethodInvocation $invocation |
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* @Before("@execution(PhpDeal\Annotation\Verify)") |
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* |
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* @throws ContractViolation |
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*/ |
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public function preConditionContract(MethodInvocation $invocation) |
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{ |
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(new PreconditionContract($this->reader))->check($invocation); |
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} |
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/** |
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* Verifies post-condition contract for the method |
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* |
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* @Around("@execution(PhpDeal\Annotation\Ensure)") |
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* @param MethodInvocation $invocation |
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* |
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* @throws ContractViolation |
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* @return mixed |
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*/ |
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public function postConditionContract(MethodInvocation $invocation) |
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{ |
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return (new PostconditionContract($this->reader))->check($invocation); |
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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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* |
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* @throws ContractViolation |
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* @return mixed |
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*/ |
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public function invariantContract(MethodInvocation $invocation) |
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{ |
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return (new InvariantContract($this->reader))->check($invocation); |
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} |
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} |
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