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Consumer.php
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Consumer.php
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<?php
/**
* The MIT License
*
* Copyright (c) 2010 Alvaro Videla
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* PHP version 5.3
*
* @category Thumper
* @package Thumper
* @author Alvaro Videla
* @copyright 2010 Alvaro Videla. All rights reserved.
* @license MIT http://opensource.org/licenses/MIT
* @link https://github.com/videlalvaro/Thumper
*/
namespace Thumper;
use PhpAmqpLib\Message\AMQPMessage;
class Consumer extends BaseConsumer
{
/**
* Number of messages consumed.
*
* @var int
*/
public $consumed = 0;
/**
* Target number of messages to consume.
*
* @var int
*/
private $target;
/**
* @param int $numOfMessages
*/
public function consume($numOfMessages)
{
$this->target = $numOfMessages;
$this->setUpConsumer();
while (count($this->channel->callbacks)) {
$this->channel->wait();
}
}
/**
* @param AMQPMessage $message
*/
public function processMessage(AMQPMessage $message)
{
call_user_func($this->callback, $message->body);
$message->delivery_info['channel']
->basic_ack($message->delivery_info['delivery_tag']);
$this->consumed++;
$this->maybeStopConsumer($message);
}
/**
* @param AMQPMessage $message
*/
protected function maybeStopConsumer(AMQPMessage $message)
{
if ($this->consumed == $this->target) {
$message->delivery_info['channel']
->basic_cancel($message->delivery_info['consumer_tag']);
}
}
}