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fixing the inheritance tree for decorator

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Trismegiste 2013-05-11 02:06:15 +02:00
parent 794139d47c
commit 97096bc23f
1 changed files with 15 additions and 4 deletions
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19
Decorator/Decorator.php
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@ -35,17 +35,28 @@ class Webservice implements Renderer
}
}
abstract class Decorator
/**
* the Deoorator MUST implement the Renderer contract, this is the key-feature
* of this design pattern. If not, this is no longer a Decorator but just a dumb
* wrapper.
*/
abstract class Decorator implements Renderer
{
protected $_wrapped;
public function __construct($wrappable)
/**
* You must type-hint the wrapped component :
* It ensures you can call renderData() in the subclasses !
*
* @param Renderer $wrappable
*/
public function __construct(Renderer $wrappable)
{
$this->_wrapped = $wrappable;
}
}
class RenderInJson extends Decorator implements Renderer
class RenderInJson extends Decorator
{
public function renderData()
{
@ -54,7 +65,7 @@ class RenderInJson extends Decorator implements Renderer
}
}
class RenderInXml extends Decorator implements Renderer
class RenderInXml extends Decorator
{
public function renderData()
{