<?php namespace Maatwebsite\Excel\Events; /** * @internal */ abstract class Event { /** * @var object */ protected $concernable; /** * @param object $concernable */ public function __construct($concernable) { $this->concernable = $concernable; } /** * @return object */ public function getConcernable() { return $this->concernable; } /** * @return mixed */ abstract public function getDelegate(); /** * @param string $concern * @return bool */ public function appliesToConcern(string $concern): bool { return $this->getConcernable() instanceof $concern; } }