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<?php |
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/* |
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* The MIT License (MIT) |
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* Copyright © 2017 Marcos Lois Bermudez <[email protected]> |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated |
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* documentation files (the “Software”), to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
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* * |
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions |
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* of the Software. |
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* * |
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* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED |
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* TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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namespace TTIC\Interop\Container; |
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use Interop\Container\ContainerInterface; |
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use Interop\Container\Exception\NotFoundException; |
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use TTIC\Interop\Container\Exception\ContainerException; |
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/** |
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* Utility trait to add delegate container feature. |
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* |
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* @package TTIC\Container |
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* @author Marcos Lois Bermúdez <[email protected]> |
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*/ |
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trait DelegateContainerTrait |
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{ |
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/** |
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* @var ContainerInterface[] |
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*/ |
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protected $delegateContainers = []; |
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/** |
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* @param ContainerInterface $container |
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*/ |
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public function addDelegateContainer(ContainerInterface $container) |
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{ |
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$this->delegateContainers[] = $container; |
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} |
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/** |
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* @return ContainerInterface[] |
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*/ |
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public function getDelegateContainers() |
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{ |
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return $this->delegateContainers; |
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} |
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/** |
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* Check if any delegated containers has a entry. |
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* |
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* @param string $id Identifier of the entry to look for. |
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* |
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* @return bool TRUE if any delegated container has the key, FALSE otherwise. |
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*/ |
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protected function delegateHas($id) |
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{ |
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foreach ($this->delegateContainers as $container) { |
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if ($container->has($id)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Finds an entry in the delegated container by its identifier and returns it. |
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* |
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* @param string $id Identifier of the entry to look for. |
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* |
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* @throws NotFoundException No entry was found for this identifier. |
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* @throws ContainerException Error while retrieving the entry. |
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* |
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* @return mixed Entry. |
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*/ |
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protected function delegateGet($id) |
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{ |
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foreach ($this->delegateContainers as $container) { |
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if ($container->has($id)) { |
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return $container->get($id); |
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} |
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} |
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throw ContainerException::fromPrevious($id, null); |
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} |
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} |
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