Redis.php
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<?php
namespace soa\components\pagecache;
use Yii;
/**
* @author wuxiao
* @date 2016-8-23
*/
class Redis extends \yii\redis\Cache
{
public function init()
{
if (isset(Yii::$app->params['enableCache']) && !Yii::$app->params['enableCache'])
{
Yii::$app->db->enableQueryCache = false;
Yii::$app->db->enableSchemaCache = false;
}
parent::init();
}
/**
* @inheritdoc
*/
protected function getValue($key)
{
if (isset(Yii::$app->params['enableCache']) && !Yii::$app->params['enableCache'])
{
Yii::$app->response->headers->set('X-PageCache', 'DISABLE');
return false;
}
$result = parent::getValue($key);
if ($result){
Yii::$app->response->headers->add('X-PageCache', 'HIT');
}else{
Yii::$app->response->headers->add('X-PageCache', 'MISS');
}
return $result;
}
/**
* @inheritdoc
*/
protected function setValue($key, $value, $expire)
{
if (isset(Yii::$app->params['enableCache']) && !Yii::$app->params['enableCache'])
{
Yii::$app->response->headers->set('X-PageCache', 'DISABLE');
return true;
}
Yii::$app->response->headers->add('X-PageCache', 'SAVE');
return parent::setValue($key, $value, $expire);
}
}