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<?php
/**
* Initable interface file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\base;
/**
* Initable is an interface indicating a class needs initialization to work properly.
*
* Initable requires a class to implement the [[init]] method.
* When [[\Yii::createComponent]] is creating a new component instance, if the component
* class implements Initable interface, the method will call its [[init]] method
* after setting the initial values of the component properties.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
interface Initable
{
/**
* Pre-initializes this component.
* This method is invoked by [[\Yii::createComponent]] after its creates the new
* component instance, but BEFORE the component properties are initialized.
*
* You may implement this method to do work such as setting property default values.
*/
public function preinit();
/**
* Initializes this component.
* This method is invoked by [[\Yii::createComponent]] after its creates the new
* component instance and initializes the component properties. In other words,
* at this stage, the component has been fully configured.
*
* The default implementation calls [[behaviors]] and registers any available behaviors.
* You may override this method with additional initialization logic (e.g. establish DB connection).
* Make sure you call the parent implementation.
*/
public function init();
}