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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\Config |
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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\Config; |
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use Phossa2\Shared\Base\ObjectAbstract; |
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use Phossa2\Shared\Reference\DelegatorTrait; |
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use Phossa2\Shared\Reference\DelegatorInterface; |
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/** |
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* Delegator |
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* |
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* Implmentation of DelegatorInterface |
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* |
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* @package Phossa2\Config |
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* @author Hong Zhang <[email protected]> |
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* @see ObjectAbstract |
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* @see DelegatorInterface |
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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 Delegator extends ObjectAbstract implements \ArrayAccess, DelegatorInterface, ConfigInterface |
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{ |
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use ArrayAccessTrait, DelegatorTrait; |
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/** |
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* constructor |
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* |
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* @access public |
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*/ |
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public function __construct() |
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{ |
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// at least one dummy config registry |
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(new Config())->setDelegator($this); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function get(/*# string */ $key, $default = null) |
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{ |
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if ($this->hasInLookup($key)) { |
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return $this->getFromLookup($key); |
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} |
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return $default; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function has(/*# string */ $key)/*# : bool */ |
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{ |
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return $this->hasInLookup($key); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function set(/*# string */ $key, $value) |
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{ |
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$regs = []; |
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// find all registry which has $key |
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foreach ($this->lookup_pool as $reg) { |
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/* @var $reg ConfigInterface */ |
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if ($reg->has($key)) { |
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$regs[] = $reg; |
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} |
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} |
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// at least the dummy one |
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if (empty($regs)) { |
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$regs[] = $this->lookup_pool[0]; |
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} |
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// set |
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foreach ($regs as $reg) { |
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$reg->set($key, $value); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function isValidRegistry($registry)/*# : bool */ |
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{ |
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return $registry instanceof ConfigInterface; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function hasInRegistry( |
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$registry, |
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/*# string */ $key |
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)/*# : bool */ { |
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/* @var $registry ConfigInterface */ |
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return $registry->has($key); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function getFromRegistry( |
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$registry, |
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/*# string */ $key |
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) { |
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/* @var $registry ConfigInterface */ |
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return $registry->get($key); |
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} |
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} |
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phossa2 /
config
