/**
* @inheritdoc
*
* @throws InvalidConfigException
*/
public function init()
{
parent::init();
if ($this->folder === NULL) {
throw new InvalidConfigException('FolderDependency::$folder must be set');
}
if (!is_array($this->folder)) {
$this->folder = (array) $this->folder;
}
if (!$this->folder) {
throw new InvalidConfigException('FolderDependency::$folder must be the path to the folder');
}
foreach ($this->folder as $i => $folder) {
$folder = FileHelper::normalizePath(Yii::getAlias($folder));
if (!is_dir($folder)) {
throw new InvalidConfigException('FolderDependency::$folder must be the path to the folder');
}
$this->folder[$i] = $folder;
}
}
/**
* Stores a value identified by a key into cache if the cache does not contain this key.
* Nothing will be done if the cache already contains the key.
* @param mixed $key a key identifying the value to be cached. This can be a simple string or
* a complex data structure consisting of factors representing the key.
* @param mixed $value the value to be cached
* @param integer $duration the number of seconds in which the cached value will expire. 0 means never expire.
* @param Dependency $dependency dependency of the cached item. If the dependency changes,
* the corresponding value in the cache will be invalidated when it is fetched via [[get()]].
* This parameter is ignored if [[serializer]] is false.
* @return boolean whether the value is successfully stored into cache
*/
public function add($key, $value, $duration = 0, $dependency = null)
{
if ($dependency !== null && $this->serializer !== false) {
$dependency->evaluateDependency($this);
}
if ($this->serializer === null) {
$value = serialize([$value, $dependency]);
} elseif ($this->serializer !== false) {
$value = call_user_func($this->serializer[0], [$value, $dependency]);
}
$key = $this->buildKey($key);
return $this->addValue($key, $value, $duration);
}
/**
* [[@doctodo method_description:clearCaches]].
*/
public function clearCaches()
{
ActiveRecord::clearCache();
\yii\caching\Dependency::resetReusableData();
\cascade\components\types\Relationship::clearCache();
}
