<?php
/**
 * Event_Handler_Statistic_Counter
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage base
 */

WBClass::load('WBEvent_Handler'
    , 'WBEvent_Handler_Statistic');

/**
 * Event_Handler_Statistic_Counter
 *
 * Count generic statistic events
 *
 * @version 0.1.0
 * @package WB
 * @subpackage base
 */
class WBEvent_Handler_Statistic_Counter extends WBEvent_Handler_Statistic
{
    /**
     * Handler config
     *
     * Parameters:
     * - namespace
     * - path
     *
     * @var array
     */
    protected $config   =   array(
                                'namespace' =>  '',
                                'path'      =>  '%s',
                                'pathindex' =>  ''
                                );
    /**
     * Process event
     *
     * Count event
     *
     * @see isRecoverable()
     * @param WBEvent $e
     * @return bool true to continue, false to stop processing
     * @throws Exception in case of error
     */
    public function process(WBEvent $e)
    {
        $path   =   $this->config['path'];
        if (!empty($this->config['pathindex'])) {
            $p  =   $e->get($this->config['pathindex'], '');
            $path   =   sprintf($path, $p);
        }

        /** @var WBStatistic_Generic */
        $stat   =   WBClass::create('WBStatistic_Generic');
        $stat->setNamespace($this->config['namespace']);
        $stat->add($path);
        return true;
    }
}