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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Di |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Di\Factory; |
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use Phossa2\Di\Message\Message; |
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use Phossa2\Shared\Base\ObjectAbstract; |
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use Phossa2\Di\Exception\LogicException; |
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use Phossa2\Di\Traits\ResolverAwareTrait; |
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use Phossa2\Di\Interfaces\FactoryInterface; |
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use Phossa2\Di\Interfaces\ResolverInterface; |
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/** |
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* Factory |
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* |
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* Wrapper of factorying methods for container |
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* |
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* @package Phossa2\Di |
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* @author Hong Zhang <[email protected]> |
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* @see FactoryInterface |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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class Factory extends ObjectAbstract implements FactoryInterface |
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{ |
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use ResolverAwareTrait, FactoryHelperTrait; |
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/** |
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* @param ResolverInterface |
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* @access public |
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*/ |
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public function __construct(ResolverInterface $resolver) |
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{ |
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$this->setResolver($resolver); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function createInstance(/*# string */ $rawId, array $arguments) |
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{ |
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// get service definition |
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$def = $this->getDefinition($rawId, $arguments); |
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// arguments |
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$args = isset($def['args']) ? $def['args'] : []; |
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if (is_string($def['class'])) { |
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$obj = $this->constructObject($def['class'], $args); |
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} else { |
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$obj = $this->executeCallable($def['class'], $args); |
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} |
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// execute after-creation methods |
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$this->afterCreation($obj, $def); |
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return $obj; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function executeCallable($callable, array $arguments = []) |
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{ |
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// not callable |
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if (!is_callable($callable)) { |
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return $callable; |
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} |
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if (!empty($arguments)) { |
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$params = $this->getCallableParameters($callable); |
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$args = $this->matchArguments($params, $arguments); |
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return call_user_func_array($callable, $args); |
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} else { |
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return call_user_func($callable); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function executeMethodBatch(array $methods, $object = null) |
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{ |
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foreach ($this->mergeMethods($methods) as $method) { |
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$this->executeMethod($method, $object); |
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} |
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} |
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/** |
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* if $object provided, build callable like [$object, $method] and execute it. |
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* |
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* method: |
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* |
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* - callable |
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* |
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* - array ['function', [ arguments...]] |
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* |
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* - array [callable, [ arguments ...]] |
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* |
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* - array ['method', [ arguments ...]] |
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* will be converted to [[$object, 'method'], [ ... ]] |
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* |
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* @param array|callable method |
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* @param object|null $object to construct callable |
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* @throws LogicException if something goes wrong |
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* @access protected |
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*/ |
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protected function executeMethod($method, $object = null) |
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{ |
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// is callable |
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if (is_callable($method)) { |
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return $this->executeCallable($method); |
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// is [ method, arguments ] |
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} elseif (isset($method[0])) { |
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return $this->executeCallable( |
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$this->getObjectMethod($object, $method[0]), // callable |
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isset($method[1]) ? $method[1] : [] // arguments |
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); |
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} |
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} |
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/** |
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* Things to do after an object created. |
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* |
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* @param object $object |
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* @param array $definition service definition for $object |
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* @access protected |
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*/ |
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protected function afterCreation($object, array $definition) |
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{ |
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// execute methods of THIS object |
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if (isset($definition['methods'])) { |
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$this->executeMethodBatch($definition['methods'], $object); |
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} |
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// execute common methods for all objects |
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if (!isset($definition['skip']) || !$definition['skip']) { |
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$methods = $this->getCommonMethods(); |
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$this->executeMethodBatch($methods, $object); |
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} |
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} |
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/** |
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* Get common methods |
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* |
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* @return array |
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* @access protected |
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*/ |
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protected function getCommonMethods()/*# : array */ |
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{ |
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// di.common node |
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$commNode = $this->getResolver()->getSectionId('', 'common'); |
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return $this->mergeMethods( |
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$this->getResolver()->get($commNode) |
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); |
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} |
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/** |
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* Merge different sections of a node |
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* |
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* convert |
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* `['section1' => [[1], [2]], 'section2' => [[3], [4]]]` |
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* |
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* to |
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* `[[1], [2], [3], [4]]` |
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* |
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* @param array|null $nodeData |
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* @return array |
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* @access protected |
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*/ |
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protected function mergeMethods($nodeData)/*# : array */ |
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{ |
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// no merge |
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if (empty($nodeData) || isset($nodeData[0])) { |
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return (array) $nodeData; |
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} |
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// in sections |
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$result = []; |
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foreach ($nodeData as $data) { |
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$result = array_merge($result, $data); |
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} |
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return $result; |
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} |
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/** |
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* Returns [$object, $method] if it is a callable, otherwise returns $method |
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* |
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* @param mixed $object |
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* @param mixed $method |
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* @return bool |
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* @access protected |
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*/ |
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protected function getObjectMethod($object, $method)/*# : bool */ |
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{ |
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if (is_string($method) && method_exists($object, $method)) { |
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return [$object, $method]; |
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} elseif (is_callable($method)) { |
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return $method; |
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} else { |
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throw new LogicException( |
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Message::get(Message::DI_CALLABLE_BAD, $method), |
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Message::DI_CALLABLE_BAD |
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); |
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} |
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} |
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} |
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phossa2 /
di
