PHP code example of innmind / homeostasis

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

innmind / homeostasis example snippets

use function Innmind\Homeostasis\bootstrap;
use Innmind\Homeostasis\{
    Factor,
    Factor\Cpu,
    Factor\Log,
    Sensor\Measure\Weight,
};
use Innmind\OperatingSystem\Factory;
use Innmind\Url\Path;
use Innmind\Math\{
    Polynom\Polynom,
    Algebra\Integer
    Algebra\Number\Number,
};
use Innmind\LogReader\{
    Reader\OnDemand,
    Log as LogLine,
};
use Innmind\Immutable\Set;
use Psr\Log\LogLevel;

$os = Factory::build();
$clock = $os->clock();
$homeostasis = bootstrap(
    Set::of(
        Factor::class,
        new Cpu(
            $clock,
            $os->status(),
            new Weight(new Number(0.5)),
            (new Polynom)->withDegree(new Integer(1), new Integer(1))
        ),
        new Log(
            $clock,
            new OnDemand(new Symfony($clock)),
            $os->filesystem()->mount(Path::of('var/logs')),
            new Weight(new Number(0.5)),
            (new Polynom)->withDegree(new Integer(1), new Integer(1)),
            static function(LogLine $line): bool {
                return $line->attributes()->contains('level') &&
                    $line->attributes()->get('level')->value() === LogLevel::CRITICAL;
            },
            'symfony',
        ),
    ),
    /*you need to implement the Actuator interface*/,
    $os->filesystem()->mount(Path::of('some/path/to/store/states')),
    $clock,
);

$modulateStateHistory = $homeostasis['modulate_state_history'](
    $os->filesystem()->mount(Path::of('some/path/to/store/actions')),
);

$regulate = $modulateStateHistory(
    $homeostasis['regulator'],
);

$regulate();