AbstractBaseCollector.php

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<?php

declare(strict_types=1);
namespace ILIAS\GlobalScreen\Collector;

abstract class AbstractBaseCollector implements Collector
{
    private $has_been_collected = false;

    private function setCollected() : void
    {
        $this->has_been_collected = true;
    }

    public function hasBeenCollected() : bool
    {
        return $this->has_been_collected;
    }

    public function collectOnce() : void
    {
        if (!$this->hasBeenCollected()) {
            $this->collectStructure();
            $this->prepareItemsForUIRepresentation();
            $this->filterItemsByVisibilty();
            $this->cleanupItemsForUIRepresentation();
            $this->sortItemsForUIRepresentation();
            $this->setCollected();
        }
    }
}