521 lines
12 KiB
PHP
521 lines
12 KiB
PHP
<?php
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/**
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* Zeed Platform Project
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* Based on Zeed Framework & Zend Framework.
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*
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* LICENSE
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* http://www.zeed.com.cn/license/
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*
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* @category Zeed
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* @package Zeed_ChangeMe
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* @subpackage ChangeMe
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* @copyright Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
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* @author Zeed Team (http://blog.zeed.com.cn)
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* @since 2011-5-18
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* @version SVN: $Id$
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*/
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class Zeed_Db_Model_Redis
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{
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/**
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* @var config
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*/
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protected $_config = null;
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/**
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* @var RedisCollection
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*/
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protected $collection = null;
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/**
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* 数据库连接实例缓存
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*
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* @var array
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*/
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protected static $instanceInternalCache = array();
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public function __construct ($config = array())
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{
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$this->_config = Zeed_Config::loadGroup('database.redis');
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$this->collection = $this->connect($this->_config['host'], $this->_config['port']);
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$this->collection->select($this->_config['db']);
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}
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/**
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* 数据库连接实例缓存
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*
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* @var array
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*/
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protected static $connections = null;
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/**
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* @return Redis
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*/
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protected function connect ($host, $port)
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{
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self::$connections[$host] = new redis();
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self::$connections[$host]->connect($host, $port);
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return self::$connections[$host];
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}
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/**
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* 判断key是否存在
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*
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* @param string $key/存储键名
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* @return boolean
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*/
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public function exists ($key)
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{
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return $this->collection->exists($key);
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}
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/**
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* 设置值
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*
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* @param string $key/存储键名
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* @param array $value/存储数据
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* @return string
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*/
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public function set ($key, $value)
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{
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$ret = $this->collection->set($key, $value);
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if (is_int($this->_config['expire']) && $this->_config['expire']) {
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$this->collection->expire($key, $this->_config['expire']);
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}
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return $ret;
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}
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/**
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* 读取值
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*
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* @param string $key/存储键名
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* @return string
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*/
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public function get ($key, $expire = TRUE)
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{
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$ret = $this->collection->get($key);
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if ($expire && is_int($this->_config['expire']) && $this->_config['expire']) {
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$this->collection->expire($key, $this->_config['expire']);
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}
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return $ret;
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}
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/**
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* list 入队列 返回已进入当前队列的元素数量
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*
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* @param string $key/存储键名
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* @param string $value/存储值
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* @return int/执行命令后，列表的长度
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*/
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public function rpush ($key, $value)
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{
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return $this->collection->rpush($key, $value);
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}
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/**
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* 将 key 中的值自增 1
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*
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* @param string $key
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* @return string
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*/
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public function incr ($key)
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{
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return $this->collection->incr($key);
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}
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/**
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* 将 key 中的值，自增第二个参数所填的值
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*
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* @param string $key
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* @param integer $val
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* @return string
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*/
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public function incrby ($key, $val)
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{
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return $this->collection->incrby($key, $val);
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}
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/**
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* list 出队列
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*
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* @param string $key/存储键名
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* @return string
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*/
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public function lpop ($key)
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{
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return $this->collection->lpop($key);
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}
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/**
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* list 删除元素
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*
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* @param string $key/存储键名
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* @param string $value/存储值
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* @return int/被移除元素的数量
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*/
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public function lrem ($key, $value)
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{
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return $this->collection->lrem($key, $value, 0);
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}
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/**
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* list 查询队列
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*
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* @param string $key/存储键名
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* @param int $index/队列索引
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* 0表示第一个
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* -1表示最后一个
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* @return string
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*/
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public function lindex ($key, $index)
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{
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return $this->collection->lindex($key, $index);
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}
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/**
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* list 遍历
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*
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* @param string $key/存储键名
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* @return array
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*/
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public function lrange ($key)
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{
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return $this->collection->lrange($key, 0, - 1);
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}
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/**
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* list 返回元素的数量
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*
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* @param string $key/存储键名
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* @return int
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*/
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public function llen ($key)
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{
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return $this->collection->llen($key);
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}
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/**
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* 返回名称为key的list有多少个元素
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*
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* @param string $key/存储键名
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* @return int
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*/
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public function lsize ($key)
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{
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return $this->collection->lsize($key);
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}
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/**
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* hash 设置值
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*
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* @param string $key/存储键名
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* @param array $value/存储数据
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* @return string
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*/
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public function hmset ($key, $value)
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{
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return $this->collection->hmset($key, $value);
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}
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/**
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* hash 读取值
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*
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* @param string $key/存储键名
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* @param array $value/存储数据
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* @return string
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*/
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public function hmget ($key, $arr)
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{
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return $this->collection->hmget($key, $arr);
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}
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/**
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* hash 设置值
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*
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* @param string $h
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* @param string $key
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* @param string $val
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* @return string
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*/
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public function hset ($h, $key, $val)
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{
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return $this->collection->hset($h, $key, $val);
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}
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/**
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* hash 读取值
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*
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* @param string $h
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* @param string $key
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* @return string
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*/
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public function hget ($h, $key)
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{
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return $this->collection->hget($h, $key);
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}
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/**
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* hash 读取值
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*
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* @param string $key/存储键名
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* @return string
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*/
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public function hgetall ($key, $expire = TRUE)
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{
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$ret = $this->collection->hgetall($key);
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if ($expire && is_int($this->_config['expire']) && $this->_config['expire']) {
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$this->collection->expire($key, $this->_config['expire']);
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}
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return $ret;
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}
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/**
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* hash 删除 key中的一个或多个指定域，不存在的域将被忽略
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*
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* @param string $key/存储键名
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* @param string $field/域名
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* @return int/被成功移除的域的数量，不包括被忽略的域
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*/
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public function hdel ($key, $domain)
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{
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return $this->collection->hdel($key, $domain);
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}
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/**
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* set 设置值
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*
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* @param string $key/存储键名
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* @param array $value/存储数据
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* @return int 0,1
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*/
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public function sadd ($key, $value)
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{
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return $this->collection->sadd($key, $value);
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}
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/**
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* set 移除元素
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*
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* @param string $key/存储键名
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* @param array $value/元素名称
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* @return int/被成功移除的元素的数量，不包括被忽略的元素
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*/
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public function srem ($key, $value)
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{
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return $this->collection->srem($key, $value);
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}
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/**
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* set 返回集合所有信息
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*
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* @param string $key/存储键名
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* @return array
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*/
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public function smembers ($key)
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{
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return $this->collection->smembers($key);
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}
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/**
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* set 返回交集信息
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*
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* @param string $arrKey/需查询的交集key
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* @return array
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*/
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public function sinter ($arrKey)
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{
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return $this->collection->sinter($arrKey);
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}
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/**
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* set 返回差集信息
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*
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* @param string $arrKey/需查询的差集key
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* @return array
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*/
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public function sdiff ($arrKey)
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{
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return $this->collection->sdiff($arrKey);
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}
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/**
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* set 返回并集信息
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*
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* @param string $arrKey/需查询的并集key
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* @return array
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*/
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public function sunion ($arrKey)
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{
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return $this->collection->sunion($arrKey);
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}
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/**
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* zset 设置值
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*
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* @param string $key/存储键名
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* @param string $score/存储的排序值（一般我用时间戳）
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* @param string $value/存储数据
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* @return int 被成功添加的新成员的数量，不包括那些被更新的、已经存在的成员
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*/
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public function zadd ($key, $score, $value)
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{
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return $this->collection->zadd($key, $score, $value);
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}
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/**
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* zset 返回列表 从大到小排序
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*
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* @param string $key/存储键名
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* @param int $start/第几个开始显示
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* @param int $end/结束位置-1为全长度
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* @param boolean $withscores/是否显示score值
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* @return array/指定区间内，带有 score 值(可选)的有序集成员的列表
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*/
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public function zrevrange ($key, $start, $end, $withscores = FALSE)
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{
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return $this->collection->zrevrange($key, $start, $end, $withscores);
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}
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/**
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* zset 返回列表 从小到大排序
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*
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* @param string $key/存储键名
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* @param int $start/第几个开始显示
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* @param int $end/结束位置-1为全长度
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* @param boolean $withscores/是否显示score值
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* @return array/指定区间内，带有 score 值(可选)的有序集成员的列表
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*/
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public function zrange ($key, $start, $end, $withscores = FALSE)
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{
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return $this->collection->zrange($key, $start, $end, $withscores);
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}
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/**
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* zset 返回并集数据
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*
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* @param string $arrKey/需查询的并集key
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* @param int $start/第几个开始显示
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* @param int $end/结束位置-1为全长度
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* @return array
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*/
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public function zunion ($arrKey, $start, $end)
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{
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$redisData = $this->collection->multi()
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->zunionstore('tempKey', $arrKey)
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->zrevrange('tempKey', $start, $end)
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->del('tempKey')
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->exec(); // 事务模式
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return $redisData[1]; // 获取第二个命令执行的数据
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}
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/**
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* 删除键
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*
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* @param string $key/存储键名
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* @param
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* @return boolean
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*/
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public function del ($key)
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{
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return $this->collection->del($key);
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}
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/**
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* 选择一个数据库
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*/
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public function select($database)
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{
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$ret = $this->collection->select($database);
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return $ret;
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}
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/**
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* 清空当前数据库
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*
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* @return boolean
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*/
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public function flushDB ()
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{
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return $this->collection->flushDB();
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}
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/**
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* 清空所有数据库
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*
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* @return boolean
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*/
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public function flushAll ()
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{
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return $this->collection->flushAll();
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}
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/**
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* 发表内容到某一个通道
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*/
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public function publish ($channel, $key)
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{
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$ret = $this->collection->publish($channel, $key);
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return $ret;
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}
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/**
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* 设定一个key的活动时间，单位：秒(s)
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*/
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public function expire($key, $ttl)
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{
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$ret = $this->collection->expire($key, $ttl);
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return $ret;
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}
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/**
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* 返回名称为h的hash中元素个数
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*
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* @param string $key/存储键名
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* @return int
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*/
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public function hlen ($key)
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{
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return $this->collection->hlen($key);
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}
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/**
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* 给key重命名
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*
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* @param string $key/存储键名
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* @return int
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*/
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public function rename ($oldkey, $key)
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{
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return $this->collection->rename($oldkey, $key);
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}
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/**
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* 在子类中(注意注释中填写正确的返回值类型, 一般为类名):
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* <code>
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* public static function instance()
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* {
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* return parent::_instance(__CLASS__);
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* }
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* </code>
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*
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* @param string $model
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* @throws Zeed_Exception
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* @return Zeed_Db_Model_Redis
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*/
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protected static function _instance ($model)
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{
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if (isset(self::$instanceInternalCache[$model]) &&
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is_subclass_of(self::$instanceInternalCache[$model], __CLASS__)) {
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return self::$instanceInternalCache[$model];
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} elseif (class_exists($model)) {
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self::$instanceInternalCache[$model] = new $model();
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return self::$instanceInternalCache[$model];
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}
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throw new Zeed_Exception('Redis Model( ' . $model . ' ) not exists.');
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}
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}
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// End ^ Native EOL ^ UTF-8
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