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<?php
require_once(dirname(__FILE__) . "/../Base/MixpanelBase.php");
/**
* Provides some base methods for use by a Consumer implementation
*/
abstract class ConsumerStrategies_AbstractConsumer extends Base_MixpanelBase {
/**
* Creates a new AbstractConsumer
* @param array $options
*/
function __construct($options = array()) {
parent::__construct($options);
if ($this->_debug()) {
$this->_log("Instantiated new Consumer");
}
}
/**
* Encode an array to be persisted
* @param array $params
* @return string
*/
protected function _encode($params) {
return base64_encode(json_encode($params));
}
/**
* Handles errors that occur in a consumer
* @param $code
* @param $msg
*/
protected function _handleError($code, $msg) {
if (isset($this->_options['error_callback'])) {
$handler = $this->_options['error_callback'];
call_user_func($handler, $code, $msg);
}
if ($this->_debug()) {
$arr = debug_backtrace();
$class = get_class($arr[0]['object']);
$line = $arr[0]['line'];
error_log ( "[ $class - line $line ] : " . print_r($msg, true) );
}
}
/**
* Number of requests/batches that will be processed in parallel.
* @return int
*/
public function getNumThreads() {
return 1;
}
/**
* Persist a batch of messages in whatever way the implementer sees fit
* @param array $batch an array of messages to consume
* @return boolean success or fail
*/
abstract function persist($batch);
}
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