<?php
namespace KIF\Core;

use KIF\Dao\DBAgileDev;

/**
 * 定义MVC里的M抽象类，即Model
 * @author gaoxiaogang@gmail.com
 */
abstract class Model {
	/**
	 * @var KIF\Dao\DBAgileDev
	 */
    protected $objMainDao;
    
    /**
     * 
     * 设置该Model对应的主Dao类
     */
	abstract protected function setMainDao();

    public function __construct() {
    	$this->setMainDao();
    }
    
	public function totals($condtion = null) {
        return $this->objMainDao->totals($condtion);
    }

    public function get($id) {
        $result = $this->gets(array($id));
        if (!$result) {
            return false;
        }
        return array_pop($result);
    }

    public function gets(array $ids) {
        $result = $this->objMainDao->gets($ids);
        return $result;
    }
    
	public function getsAll($order = null, $limit = null) {
        $ids = $this->objMainDao->getsAllIds($order, $limit);
        return $this->gets($ids);
    }
}