class.ilTestProcessLockerFactory.php

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<?php
 
class ilTestProcessLockerFactory
{
    protected $settings;
 
    protected $db;
 
    protected $contextId;
 
    public function __construct(ilSetting $settings, ilDBInterface $db)
    {
        $this->settings = $settings;
        $this->db = $db;
    }
 
    public function getContextId(): ?int
    {
        return $this->contextId;
    }
 
    public function withContextId(int $contextId): self
    {
        $clone = clone $this;
        $clone->contextId = $contextId;
 
        return $clone;
    }
 
    private function getLockModeSettingValue(): ?string
    {
        return $this->settings->get('ass_process_lock_mode', ilObjAssessmentFolder::ASS_PROC_LOCK_MODE_NONE);
    }
 
    public function getLocker(): ilTestProcessLocker
    {
        switch ($this->getLockModeSettingValue()) {
            case ilObjAssessmentFolder::ASS_PROC_LOCK_MODE_NONE:
 
                $locker = new ilTestProcessLockerNone();
                break;
 
            case ilObjAssessmentFolder::ASS_PROC_LOCK_MODE_FILE:
 
                $storage = new ilTestProcessLockFileStorage((int) $this->getContextId());
                $storage->create();
 
                $locker = new ilTestProcessLockerFile($storage);
                break;
 
            case ilObjAssessmentFolder::ASS_PROC_LOCK_MODE_DB:
 
                $locker = new ilTestProcessLockerDb($this->db);
                break;
        }
 
        return $locker;
    }
 
    public function retrieveLockerForNamedOperation(): ilTestProcessLocker
    {
        if ($this->getLocker() instanceof ilTestProcessLockerFile) {
            return $this->getLocker();
        }
 
        return new ilTestProcessLockerNone();
    }
}