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<?php |
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namespace Nayjest\Querying\Handler; |
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use InvalidArgumentException; |
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use Nayjest\Querying\Handler\PostProcess\AddFieldHandler; |
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use Nayjest\Querying\Operation\AddFieldOperation; |
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use Nayjest\Querying\Operation\CloneOperation; |
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use Nayjest\Querying\Operation\CustomOperation; |
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use Nayjest\Querying\Operation\DummyOperation; |
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use Nayjest\Querying\Operation\InitializeRowsOperation; |
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use Nayjest\Querying\Operation\OperationInterface; |
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abstract class AbstractFactory |
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{ |
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/** |
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* @return array |
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*/ |
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abstract protected function getRegisteredHandlers(); |
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protected function getDefaultHandlers() |
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{ |
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return [ |
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DummyOperation::class => DummyHandler::class, |
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InitializeRowsOperation::class => InitializeRowsHandler::class, |
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AddFieldOperation::class => AddFieldHandler::class, |
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CustomOperation::class => CustomHandler::class, |
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CloneOperation::class => CloneHandler::class, |
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]; |
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} |
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final protected function getHandlers() |
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{ |
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return array_merge( |
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$this->getDefaultHandlers(), |
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$this->getRegisteredHandlers() |
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); |
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} |
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public function makeHandler(OperationInterface $operation) |
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{ |
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$operationClass = get_class($operation); |
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$classes = $this->getHandlers(); |
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if (array_key_exists($operationClass, $classes)) { |
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$handlerClass = $classes[$operationClass]; |
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return new $handlerClass($operation); |
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} |
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throw new InvalidArgumentException("No handler for '$operationClass' operation."); |
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} |
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} |
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Nayjest /
Querying
