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<?php |
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/** |
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* Phoole (PHP7.2+) |
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* |
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* @category Library |
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* @package Phoole\Logger |
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* @copyright Copyright (c) 2019 Hong Zhang |
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*/ |
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declare(strict_types=1); |
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namespace Phoole\Logger\Processor; |
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use Phoole\Base\Queue\UniquePriorityQueue; |
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/** |
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* ProcessorAwareTrait |
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* |
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* @package Phoole\Logger |
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*/ |
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trait ProcessorAwareTrait |
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{ |
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use VerifyCallableTrait; |
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/** |
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* @var bool |
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*/ |
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protected $isProcessed = FALSE; |
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/** |
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* @var UniquePriorityQueue[] |
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*/ |
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protected static $processors = []; |
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/** |
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* Execute all the processors |
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* |
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* @return $this |
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*/ |
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public function process() |
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{ |
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if (!$this->isProcessed) { |
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foreach (static::getProcessors() as $processor) { |
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$processor($this); |
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} |
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$this->isProcessed = TRUE; |
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} |
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return $this; |
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} |
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/** |
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* Set processors for THIS class |
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* |
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* @param callable ...$callables |
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* @return string called class name |
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* @throws \LogicException if not valid processor found |
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*/ |
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public static function addProcessor(callable ...$callables): string |
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{ |
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static::initProcessors(); |
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$class = \get_called_class(); |
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$queue = self::$processors[$class]; |
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foreach ($callables as $callable) { |
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static::verifyCallable($callable); |
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$queue->insert($callable); |
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} |
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return $class; |
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} |
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/** |
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* get related processors |
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* |
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* @return iterable |
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*/ |
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protected static function getProcessors(): iterable |
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{ |
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$queue = new UniquePriorityQueue(); |
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/** @var string $class */ |
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foreach (static::getClassTree() as $class) { |
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if (\method_exists($class, 'initProcessors')) { |
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$class::initProcessors(); |
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} |
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$queue = $queue->combine(self::$processors[$class]); |
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} |
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return $queue; |
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} |
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/** |
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* convert predefined processors from classProcessors() |
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*/ |
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protected static function initProcessors() |
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{ |
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$class = \get_called_class(); |
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if (!isset(self::$processors[$class])) { |
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self::$processors[$class] = new UniquePriorityQueue(); |
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foreach (static::classProcessors() as $processor) { |
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static::addProcessor($processor); |
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} |
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} |
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} |
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/** |
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* Define processors for THIS class |
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* |
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* @return array |
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*/ |
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protected static function classProcessors(): array |
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{ |
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return []; |
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} |
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/** |
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* @return array |
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*/ |
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protected static function getClassTree(): array |
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{ |
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$tree = []; |
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$class = \get_called_class(); |
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while ($class) { |
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$tree[] = $class; |
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$class = \get_parent_class($class); |
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} |
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return \array_reverse($tree); |
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} |
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} |
phoole /
logger
