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<?php |
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declare(strict_types = 1); |
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/* |
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* Go! AOP framework |
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* |
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* @copyright Copyright 2012, 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\Core; |
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use Closure; |
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/** |
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* DI-container |
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*/ |
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abstract class Container implements AspectContainer |
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{ |
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/** |
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* List of services in the container |
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* |
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* @var array |
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*/ |
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protected $values = []; |
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/** |
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* Store identifiers os services by tags |
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* |
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* @var array |
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*/ |
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protected $tags = []; |
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/** |
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* Set a service into the container |
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* |
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* @param string $id Identifier |
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* @param mixed $value Value to store |
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* @param array $tags Additional tags |
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*/ |
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public function set(string $id, $value, array $tags = []) |
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{ |
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$this->values[$id] = $value; |
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foreach ($tags as $tag) { |
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$this->tags[$tag][] = $id; |
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} |
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} |
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/** |
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* Set a shared value in the container |
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* |
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* @param string $id Identifier |
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* @param Closure $value Value to store |
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* @param array $tags Additional tags |
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*/ |
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public function share(string $id, Closure $value, array $tags = []) |
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{ |
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$value = function ($container) use ($value) { |
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static $sharedValue; |
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if (null === $sharedValue) { |
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$sharedValue = $value($container); |
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} |
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return $sharedValue; |
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}; |
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$this->set($id, $value, $tags); |
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} |
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/** |
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* Return a service or value from the container |
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* |
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* @param string $id Identifier |
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* |
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* @return mixed |
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* @throws \OutOfBoundsException if service was not found |
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*/ |
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public function get(string $id) |
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{ |
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if (!isset($this->values[$id])) { |
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throw new \OutOfBoundsException("Value {$id} is not defined in the container"); |
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} |
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if (is_callable($this->values[$id])) { |
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return $this->values[$id]($this); |
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} |
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return $this->values[$id]; |
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} |
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/** |
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* Checks if item with specified id is present in the container |
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* |
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* @param string $id Identifier |
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* |
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* @return bool |
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*/ |
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public function has(string $id): bool |
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{ |
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return isset($this->values[$id]); |
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} |
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/** |
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* Return list of service tagged with marker |
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* |
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* @param string $tag Tag to select |
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* @return array |
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*/ |
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public function getByTag(string $tag): array |
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{ |
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$result = []; |
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if (isset($this->tags[$tag])) { |
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foreach ($this->tags[$tag] as $id) { |
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$result[$id] = $this->get($id); |
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} |
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} |
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return $result; |
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} |
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} |
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goaop /
framework
