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<?php |
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namespace Netdudes\DataSourceryBundle\Extension; |
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use Netdudes\DataSourceryBundle\Extension\Exception\FunctionNotFoundException; |
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use Netdudes\DataSourceryBundle\Extension\Exception\InvalidExtensionTypeException; |
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use Netdudes\DataSourceryBundle\Extension\Type\UqlFunction; |
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class UqlExtensionContainer |
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{ |
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/** |
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* @var UqlExtensionInterface[] |
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*/ |
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private $extensions = []; |
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/** |
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* @var UqlFunction[] |
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*/ |
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private $functions = []; |
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/** |
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* @return UqlExtensionInterface[] |
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*/ |
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public function getExtensions() |
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{ |
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return $this->extensions; |
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} |
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/** |
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* Performs a call to a function defined in any of the extensions managed by the container. |
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* |
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* @param $name |
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* @param $arguments |
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* |
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* @return mixed |
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* @throws Exception\FunctionNotFoundException |
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*/ |
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public function callFunction($name, $arguments) |
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{ |
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if (!(isset($this->getFunctions()[$name]))) { |
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throw new FunctionNotFoundException("Could not find UQL function $name"); |
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} |
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return $this->getFunctions()[$name]->call($arguments); |
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} |
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/** |
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* @return UqlFunction[] |
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*/ |
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public function getFunctions() |
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{ |
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return $this->functions; |
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} |
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/** |
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* Adds an extension to the container. This function is called during the compiler pass. |
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* |
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* @param UqlExtensionInterface $extension |
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* |
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* @throws Exception\InvalidExtensionTypeException |
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*/ |
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public function addExtension(UqlExtensionInterface $extension) |
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{ |
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$this->extensions[] = $extension; |
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foreach ($extension->getFunctions() as $function) { |
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if (!($function instanceof UqlFunction)) { |
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throw new InvalidExtensionTypeException("Function extensions must be of type UqlFunction"); |
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} |
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$this->functions[$function->getName()] = $function; |
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} |
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} |
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} |
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netdudes /
DataSourceryBundle
