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<?php |
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namespace WebStream\DI; |
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use WebStream\Container\Container; |
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use WebStream\Exception\Extend\AnnotationException; |
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use PhpDocReader\PhpDocReader; |
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/** |
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* Injector |
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* @author Ryuichi TANAKA. |
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* @since 2015/12/26 |
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* @version 0.7 |
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*/ |
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trait Injector |
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{ |
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/** |
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* @var Container プロパティコンテナ |
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*/ |
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private $__propertyContainer; |
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/** |
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* オブジェクトを注入する |
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* @param string プロパティ名 |
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* @param mixed オブジェクト |
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* @return Injector |
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*/ |
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public function inject(string $name, $object) |
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{ |
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$this->{$name} = $object; |
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return $this; |
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} |
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/** |
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* 型指定されたオブジェクトを注入する |
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* @param string プロパティ名 |
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* @param mixed オブジェクト |
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* @return Injector |
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*/ |
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public function strictInject(string $name, $object) |
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{ |
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$reader = new PhpDocReader(); |
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try { |
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$refClass = new \ReflectionClass($this); |
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while ($refClass !== false) { |
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if ($refClass->hasProperty($name)) { |
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$refProperty = $refClass->getProperty($name); |
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$classpath = $reader->getPropertyClass($refProperty); |
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if ($object instanceof $classpath) { |
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$this->inject($name, $object); |
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} else { |
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throw new AnnotationException("The type of injected property must be instance of ${classpath}"); |
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} |
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} |
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$refClass = $refClass->getParentClass(); |
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} |
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} catch (\ReflectionException $e) { |
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throw new AnnotationException($e); |
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} |
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return $this; |
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} |
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/** |
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* overload setter |
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*/ |
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public function __set($name, $value) |
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{ |
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if ($this->__propertyContainer === null) { |
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$this->__propertyContainer = new Container(false); |
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} |
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$this->__propertyContainer->{$name} = $value; |
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} |
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/** |
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* overload setter |
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*/ |
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public function __get($name) |
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{ |
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return $this->__propertyContainer !== null ? $this->__propertyContainer->{$name} : null; |
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} |
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/** |
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* overload isset |
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*/ |
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public function __isset($name) |
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{ |
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return $__propertyContainer === null || $__propertyContainer->{$name} === null; |
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} |
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/** |
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* overload unset |
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*/ |
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public function __unset($name) |
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{ |
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$this->__propertyContainer->remove($name); |
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} |
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/** |
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* コンテナクリア |
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*/ |
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public function __clear() |
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{ |
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$this->__propertyContainer = null; |
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} |
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} |
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webstream-framework /
DI
Loading history...
In PHP traits cannot be used for type-hinting as they do not define a well-defined structure. This is because any class that uses a trait can rename that trait’s methods.
If you would like to return an object that has a guaranteed set of methods, you could create a companion interface that lists these methods explicitly.