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<?php |
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/* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* The software is based on the Axon Framework project which is |
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* licensed under the Apache 2.0 license. For more information on the Axon Framework |
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* see <http://www.axonframework.org/>. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the MIT license. For more information, see |
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* <http://www.governor-framework.org/>. |
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*/ |
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namespace Governor\Framework\CommandHandling; |
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use Governor\Framework\Common\Annotation\AnnotationReaderFactoryInterface; |
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use Governor\Framework\Annotations\TargetAggregateIdentifier; |
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use Governor\Framework\Annotations\TargetAggregateVersion; |
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use Governor\Framework\Common\ReflectionUtils; |
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/** |
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* Implementation of the {@see CommandTargetResolverInterface} that uses annotations to resolve its target. |
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* |
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* @author "David Kalosi" <[email protected]> |
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* @license <a href="http://www.opensource.org/licenses/mit-license.php">MIT License</a> |
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*/ |
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class AnnotationCommandTargetResolver implements CommandTargetResolverInterface |
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{ |
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/** |
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* @var \Doctrine\Common\Annotations\Reader |
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*/ |
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private $reader; |
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/** |
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* @param AnnotationReaderFactoryInterface $annotationReaderFactory |
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*/ |
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public function __construct(AnnotationReaderFactoryInterface $annotationReaderFactory) |
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{ |
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$this->reader = $annotationReaderFactory->getReader(); |
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} |
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/** |
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* |
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* @param CommandMessageInterface $command |
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* @return VersionedAggregateIdentifier |
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* @throws \InvalidArgumentException |
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*/ |
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public function resolveTarget(CommandMessageInterface $command) |
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{ |
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$reflectionClass = new \ReflectionClass($command->getPayload()); |
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$id = $this->findIdentifier($command, $reflectionClass); |
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$version = $this->findVersion($command, $reflectionClass); |
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if (null === $id) { |
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throw new \InvalidArgumentException( |
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sprintf( |
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"Invalid command. It does not identify the target aggregate. ". |
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"Make sure at least one of the fields or methods in the [%s] class contains the ". |
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"@TargetAggregateIdentifier annotation and that it returns a non-null value.", |
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$command->getPayloadType() |
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) |
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); |
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} |
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return new VersionedAggregateIdentifier($id, $version); |
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} |
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/** |
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* @param $annotationName |
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* @param CommandMessageInterface $command |
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* @param \ReflectionClass $reflectionClass |
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* @return mixed|null |
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*/ |
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4 |
View Code Duplication |
private function getAnnotatedTargetValue( |
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$annotationName, |
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CommandMessageInterface $command, |
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\ReflectionClass $reflectionClass |
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) { |
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foreach (ReflectionUtils::getProperties($reflectionClass) as $property) { |
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if (null !== $annotation = $this->reader->getPropertyAnnotation( |
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$property, |
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$annotationName |
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) |
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) { |
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$property->setAccessible(true); |
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return $property->getValue($command->getPayload()); |
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} |
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} |
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foreach (ReflectionUtils::getMethods($reflectionClass) as $method) { |
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if (null !== $annotation = $this->reader->getMethodAnnotation( |
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$method, |
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$annotationName |
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) |
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) { |
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$method->setAccessible(true); |
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return $method->invoke($command->getPayload()); |
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} |
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} |
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return null; |
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} |
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/** |
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* @param CommandMessageInterface $command |
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* @param \ReflectionClass $reflectionClass |
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* @return mixed|null |
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*/ |
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private function findIdentifier( |
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CommandMessageInterface $command, |
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\ReflectionClass $reflectionClass |
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) { |
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return $this->getAnnotatedTargetValue( |
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TargetAggregateIdentifier::class, |
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$command, |
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$reflectionClass |
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); |
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} |
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/** |
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* @param CommandMessageInterface $command |
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* @param \ReflectionClass $reflectionClass |
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* @return mixed|null |
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*/ |
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private function findVersion( |
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CommandMessageInterface $command, |
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\ReflectionClass $reflectionClass |
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) { |
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return $this->getAnnotatedTargetValue( |
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TargetAggregateVersion::class, |
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$command, |
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$reflectionClass |
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); |
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} |
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} |
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SmartGecko /
GovernorFramework
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.