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<?php |
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/* |
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* This file is part of the puli/manager package. |
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* |
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* (c) Bernhard Schussek <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Puli\Manager\Discovery\Binding; |
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use Puli\Manager\Api\Discovery\BindingDescriptor; |
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use Puli\Manager\Api\Discovery\BindingTypeDescriptor; |
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use Puli\Manager\Api\Module\Module; |
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use Puli\Manager\Transaction\AtomicOperation; |
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/** |
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* Unloads a binding descriptor. |
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* |
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* @since 1.0 |
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* |
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* @author Bernhard Schussek <[email protected]> |
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*/ |
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class UnloadBindingDescriptor implements AtomicOperation |
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{ |
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/** |
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* @var BindingDescriptor |
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*/ |
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private $bindingDescriptor; |
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/** |
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* @var BindingDescriptorCollection |
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*/ |
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private $bindingDescriptors; |
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/** |
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* @var Module |
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*/ |
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private $containingModule; |
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/** |
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* @var BindingTypeDescriptor |
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*/ |
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private $typeDescriptor; |
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/** |
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* @var bool |
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*/ |
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private $wasRemoved = false; |
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public function __construct(BindingDescriptor $bindingDescriptor, BindingDescriptorCollection $bindingDescriptors) |
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{ |
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$this->bindingDescriptor = $bindingDescriptor; |
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$this->bindingDescriptors = $bindingDescriptors; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function execute() |
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{ |
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// sanity check |
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if (!$this->bindingDescriptor->isLoaded()) { |
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return; |
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} |
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$this->containingModule = $this->bindingDescriptor->getContainingModule(); |
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$this->typeDescriptor = $this->bindingDescriptor->getTypeDescriptor(); |
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$binding = $this->bindingDescriptor->getBinding(); |
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$moduleName = $this->containingModule->getName(); |
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// never fails with the check in the beginning |
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$this->bindingDescriptor->unload(); |
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if ($this->bindingDescriptors->contains($binding, $moduleName) |
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&& $this->bindingDescriptor === $this->bindingDescriptors->get($binding, $moduleName)) { |
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// never fails |
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$this->bindingDescriptors->remove($binding, $moduleName); |
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$this->wasRemoved = true; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rollback() |
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{ |
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if ($this->bindingDescriptor->isLoaded() || !$this->containingModule || !$this->typeDescriptor) { |
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return; |
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} |
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// never fails with the check before, given that the type name of |
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// the description/type didn't changed, which is impossible since |
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// they're immutable |
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$this->bindingDescriptor->load($this->containingModule, $this->typeDescriptor); |
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if ($this->wasRemoved) { |
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// never fails |
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$this->bindingDescriptors->add($this->bindingDescriptor); |
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} |
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} |
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} |
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puli /
manager
