class.ilTreeMetricsCollectedObjective.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\Setup\Metrics\CollectedObjective;
use ILIAS\Setup\Environment;
use ILIAS\Setup\Metrics\Storage;
 
class ilTreeMetricsCollectedObjective extends CollectedObjective
{
    protected function getTentativePreconditions(Environment $environment): array
    {
        return [
            new ilSettingsFactoryExistsObjective(),
            new ilDatabaseInitializedObjective(),
        ];
    }
 
    protected function collectFrom(Environment $environment, Storage $storage): void
    {
        $db = $environment->getResource(Environment::RESOURCE_DATABASE);
        $settings_factory = $environment->getResource(Environment::RESOURCE_SETTINGS_FACTORY);
 
        if (!$settings_factory || !$db) {
            return;
        }
 
        $settings = $settings_factory->settingsFor('common');
 
        $storage->storeConfigText(
            'Tree Implementation',
            $settings->get('main_tree_impl', 'ns') === 'ns' ? 'Nested Set' : 'Materialized Path',
            'The database implementation of the ILIAS repository tree.'
        );
    }
}