ILoadMonitor.php

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<?php
namespace Wikimedia\Rdbms;
 
use Psr\Log\LoggerInterface;
use Wikimedia\ObjectCache\BagOStuff;
use Wikimedia\ObjectCache\WANObjectCache;
use Wikimedia\Stats\StatsFactory;
 
interface ILoadMonitor {
    public const STATE_UP = 'up';
    public const STATE_CONN_COUNT = 'conn_count';
    public const STATE_AS_OF = 'time';
 
    public function __construct(
        ILoadBalancer $lb,
        BagOStuff $sCache,
        WANObjectCache $wCache,
        LoggerInterface $logger,
        StatsFactory $statsFactory,
        $options
    );
 
    public function scaleLoads( array &$weightByServer );
}