manager.php

См. документацию.

<?php
 
namespace Bitrix\Forum\Comments\Service;
 
class Manager
{
    public const TYPE_TASK_INFO = 1;
    public const TYPE_TASK_CREATED = 2;
    public const TYPE_ENTITY_CREATED = 3;
    public const TYPE_FORUM_DEFAULT = 127;
 
    public static function getTypesList(): array
    {
        return [
            static::TYPE_TASK_INFO,
            static::TYPE_TASK_CREATED,
            static::TYPE_ENTITY_CREATED,
            static::TYPE_FORUM_DEFAULT,
        ];
    }
 
    final public static function find(array $params = [])
    {
        $commentType = (isset($params['SERVICE_TYPE']) ? (int)$params['SERVICE_TYPE'] : 0);
 
        if ($commentType <= 0)
        {
            return false;
        }
 
        switch ($commentType)
        {
            case static::TYPE_TASK_INFO:
                $result = new TaskInfo();
                break;
            case static::TYPE_TASK_CREATED:
                $result = new TaskCreated();
                break;
            case static::TYPE_ENTITY_CREATED:
                $result = new EntityCreated();
                break;
            default:
                $result = new ServiceDefault();
        }
 
        return $result;
    }
}