ilAssLacQuestionProvider.php

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<?php

class ilAssLacQuestionProvider
{
    /*
     * @var iQuestionCondition
     */
    protected $question;

    protected $questionId;

    public function setQuestionId($questionId): void
    {
        $this->questionId = $questionId;
    }

    public function setQuestion(iQuestionCondition $question): void
    {
        $this->question = $question;
    }

    public function getQuestion(): assQuestion
    {
        if ($this->question === null && $this->questionId) {
            require_once 'Modules/TestQuestionPool/classes/class.assQuestion.php';
            $this->question = assQuestion::_instantiateQuestion($this->questionId);
        }

        return $this->question;
    }
}