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<?php |
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/* |
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* Go! AOP 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 Go\Aop\Support; |
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use Go\Aop\Advice; |
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use Go\Aop\Pointcut; |
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use Go\Core\AspectContainer; |
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/** |
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* Lazy pointcut advisor is used to create a delayed pointcut only when needed |
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*/ |
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class LazyPointcutAdvisor extends AbstractGenericPointcutAdvisor |
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{ |
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/** |
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* Pointcut expression |
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* |
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* @var string |
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*/ |
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private $pointcutExpression; |
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/** |
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* Instance of parsed pointcut |
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* |
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* @var Pointcut|null |
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*/ |
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private $pointcut; |
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/** |
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* @var AspectContainer |
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*/ |
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private $container; |
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/** |
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* Create a DefaultPointcutAdvisor, specifying Pointcut and Advice. |
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* |
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* @param AspectContainer $container Instance of container |
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* @param string $pointcutExpression The Pointcut targeting the Advice |
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* @param Advice $advice The Advice to run when Pointcut matches |
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*/ |
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public function __construct(AspectContainer $container, $pointcutExpression, Advice $advice) |
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{ |
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$this->container = $container; |
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$this->pointcutExpression = $pointcutExpression; |
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parent::__construct($advice); |
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} |
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/** |
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* Get the Pointcut that drives this advisor. |
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* |
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* @return Pointcut The pointcut |
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*/ |
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public function getPointcut() |
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{ |
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if (!$this->pointcut) { |
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// Inject this dependencies and make them lazy! |
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// should be extracted from AbstractAspectLoaderExtension into separate class |
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/** @var Pointcut\PointcutLexer $lexer */ |
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$lexer = $this->container->get('aspect.pointcut.lexer'); |
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/** @var Pointcut\PointcutParser $parser */ |
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$parser = $this->container->get('aspect.pointcut.parser'); |
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$tokenStream = $lexer->lex($this->pointcutExpression); |
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$this->pointcut = $parser->parse($tokenStream); |
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} |
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return $this->pointcut; |
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} |
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} |
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goaop /
framework
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