usages.php

См. документацию.

<?php
namespace Bitrix\Bizproc\Workflow\Template\Collection;
 
class Usages
{
    protected $list;
 
    public function __construct()
    {
        $this->list = [];
    }
 
    public function add($ownerId, $sourceType, $value)
    {
        if (!isset($this->list[$sourceType]))
        {
            $this->list[$sourceType] = [];
        }
        $key = "{$ownerId}#{$value}";
        $this->list[$sourceType][$key] = [$ownerId, $value];
        return $this;
    }
 
    public function addOwnerSources($ownerId, array $sources)
    {
        foreach ($sources as $source)
        {
            $this->add($ownerId, $source[0], $source[1]);
        }
        return $this;
    }
 
    public function getBySourceType($sourceType)
    {
        return isset($this->list[$sourceType]) ? array_values($this->list[$sourceType]) : [];
    }
 
    public function getValuesBySourceType($sourceType): array
    {
        $result = $this->getBySourceType($sourceType);
        $result = array_column($result, 1);
        return array_unique($result);
    }
 
    public function getByOwner($ownerId)
    {
        $list = [];
        foreach ($this->list as $sourceType => $items)
        {
            foreach ($items as list($id, $value))
            {
                if ($ownerId === $id)
                {
                    $list[] = [$sourceType, $value];
                }
            }
        }
        return $list;
    }
 
    public function getAll()
    {
        return $this->list;
    }
}