framework/caching/dependencies/CDirectoryCacheDependency.php
protected function generateDependentData()
	{
		if($this->directory!==null)
			return $this->generateTimestamps($this->directory);
		else
			throw new CException(Yii::t('yii','CDirectoryCacheDependency.directory cannot be empty.'));
	}
protected function generateDependentData()
	{
		if($this->directory!==null)
			return $this->generateTimestamps($this->directory);
		else
			throw new CException(Yii::t('yii','CDirectoryCacheDependency.directory cannot be empty.'));
	}
protected function generateDependentData ( ) { if ( $ this -> directory !== null ) return $ this -> generateTimestamps ( $ this -> directory ) ; else throw new CException ( Yii :: t ( 'yii' , 'CDirectoryCacheDependency.directory cannot be empty.' ) ) ; }
Generates the data needed to determine if dependency has been changed.
This method returns the modification timestamps for files under the directory.
@throws CException if {@link directory} is empty
@return mixed the data needed to determine if dependency has been changed.
Generates the data needed to determine if dependency has been changed . This method returns the modification timestamps for files under the directory .