报表的缓存基本存储和读写

8/31/2015来源:PHP技巧人气:1581

报表的缓存基本存储和读写
<?php/** * Class Rpt redis 用于报表的缓存基本存储和读写 2.0 * @simple * Rpt::read("diamond.account",$nick); * Rpt::readSync("diamond.account",$nick); * $finder = Rpt::createFinder("diamond.account",$nick); * $finder->read(); * $finder->readSync(); * * Rpt::save("diamond.account",$nick,$data); * $storage = Rpt::createStorage("diamond.account",$nick); * $storage->save($data); * $storage->save($data,7200); */class Rpt {    public static function read($key,$nick){        $finder = self::createFinder($key,$nick);        return $finder->read();    }    public static function readSync($key,$nick){        $finder = self::createFinder($key,$nick);        return $finder->readSync();    }    public static function createFinder($key,$nick){        $key = RptGenerate::key($key,$nick);        return new RptFinder($key);    }    public static function createStorage($key,$nick){        $key = RptGenerate::key($key,$nick);        return new RptStorage($key);    }    public static function save($key,$nick,$data,$expired=7200){        $storage = self::createStorage($key,$nick);        return $storage->save($data,$expired);    }    public static function createRedis(){        $redis = new Redis();        $redis->connect(Yii::app()->params["RedisServerip"]);        return $redis;    }}/** * Class RptFinder  数据读取 */class RptFinder {    /**     * @var string $key     */    public $key;    /**     * @param string $key     */    public function __construct($key){        $this->key = $key;    }    /**     * 非安全读取数据     * @return mixed     */    public function read(){        $data = $this->readData();        if($data->isRead && !$data->isExpired())            return $data->data;        return null;    }    PRotected function readData(){        $redis = Rpt::createRedis();        $rptData = new RptData();        $data = json_decode($redis->get($this->key));        if(false == $data){            $rptData->isRead = false;            $rptData->expiredTime = time();            $rptData->expired = 24*3600;        }else{            $rptData->expired = $data->expired;            $rptData->isRead =  $data->isRead;            $rptData->expiredTime = $data->expiredTime;            $rptData->data = $data->data;        }        return $rptData;    }    /**     * 同步读取数据     * @return mixed     */    public function readSync(){        while(true){            $rptData = $this->readData();            if($rptData->isRead && !$rptData->isExpired())                return $this->read();            sleep(1);        }    }}/** * Class RptStorage  数据存储 */class RptStorage {    /**     * @var string key     */    public $key;    /**     * @param string $key     */    public function __construct($key){      $this->key = $key;    }    /**     * 写入数据     * @param $data     * @param int $expired     * @return bool     */    public function save($data,$expired=7200){        $rptData = new RptData();        $rptData->data = $data;        $rptData->expiredTime = time();        $rptData->isRead = true;        $rptData->expired = $expired;        $redis = Rpt::createRedis();        return $redis->setex($this->key, $rptData->expired,json_encode($rptData));    }}/** * Class RptData redis存储数据实体 */class RptData {    public $expired;    public $expiredTime;    public $data;    public $isRead;    public function isExpired(){        if(time()-$this->expiredTime > $this->expired)            return true;        return false;    }}/** * Class RptGenerate key生成 */class RptGenerate {    public static function key($key,$nick){        return $key.".".md5($nick);    }}