<?php
namespace AliyunMNS\Requests;

use AliyunMNS\Requests\BaseRequest;

class ListSubscriptionRequest extends BaseRequest
{
    private $topicName;
    private $retNum;
    private $prefix;
    private $marker;

    public function __construct(
        $topicName,
        $retNum = NULL,
        $prefix = NULL,
        $marker = NULL)
    {
        parent::__construct('get', 'topics/' . $topicName . '/subscriptions');

        $this->topicName = $topicName;
        $this->setRetNum($retNum);
        $this->setPrefix($prefix);
        $this->setMarker($marker);
    }
    
    public function getTopicName()
    {
        return $this->topicName;
    }

    public function getRetNum()
    {
        return $this->retNum;
    }

    public function setRetNum($retNum)
    {
        $this->retNum = $retNum;
        if ($retNum != NULL)
        {
            $this->setHeader("x-mns-ret-number", $retNum);
        }
        else
        {
            $this->removeHeader("x-mns-ret-number");
        }
    }

    public function getPrefix()
    {
        return $this->prefix;
    }

    public function setPrefix($prefix)
    {
        $this->prefis = $prefix;
        if ($prefix != NULL)
        {
            $this->setHeader("x-mns-prefix", $prefix);
        }
        else
        {
            $this->removeHeader("x-mns-prefix");
        }
    }

    public function getMarker()
    {
        return $this->marker;
    }

    public function setMarker($marker)
    {
        $this->marker = $marker;
        if ($marker != NULL)
        {
            $this->setHeader("x-mns-marker", $marker);
        }
        else
        {
            $this->removeHeader("x-mns-marker");
        }
    }

    public function generateBody()
    {
        return NULL;
    }

    public function generateQueryString()
    {
        return NULL;
    }
}

?>