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<?php |
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namespace kalanis\kw_storage\Storage\Target; |
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use kalanis\kw_storage\Interfaces; |
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/** |
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* Class Factory |
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* @package kalanis\kw_storage\Storage\Target |
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* Simple example of storage factory |
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*/ |
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class Factory |
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{ |
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/** @var array<string, string|null> */ |
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protected static $pairs = [ |
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'mem' => Memory::class, |
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'memory' => Memory::class, |
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'vol' => Volume::class, |
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'volume' => Volume::class, |
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'volume::flat' => VolumeTargetFlat::class, |
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'volume::stream' => VolumeStream::class, |
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'local' => Volume::class, |
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'local::flat' => VolumeTargetFlat::class, |
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'local::stream' => VolumeStream::class, |
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'drive' => Volume::class, |
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'drive::flat' => VolumeTargetFlat::class, |
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'drive::stream' => VolumeStream::class, |
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'none' => null, |
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]; |
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/** |
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* @param mixed|object|array|string|null $params |
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* @return Interfaces\ITarget|null storage adapter or empty for no storage set |
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*/ |
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public function getStorage($params): ?Interfaces\ITarget |
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{ |
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if ($params instanceof Interfaces\ITarget) { |
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return $params; |
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} |
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if (is_array($params)) { |
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if (isset($params['storage'])) { |
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return $this->fromPairs(strval($params['storage'])); |
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} |
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} |
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if (is_string($params)) { |
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return $this->fromPairs(strval($params)); |
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} |
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return null; |
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} |
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protected function fromPairs(string $name): ?Interfaces\ITarget |
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{ |
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if (isset(static::$pairs[$name])) { |
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$class = static::$pairs[$name]; |
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if (is_string($class)) { |
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$obj = new $class(); |
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if ($obj instanceof Interfaces\ITarget) { |
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return $obj; |
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} |
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} |
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} |
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return null; |
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} |
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} |
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alex-kalanis /
kw_storage
