PHP code example of jeroen-g / statinator

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

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

    

jeroen-g / statinator example snippets

$config = [
    'states' => [
      'LIGHTS_ON',
      'LIGHTS_OFF',
    ],
    'transitions' => [
        'FLICK_ON' => [
            'from' => ['LIGHTS_OFF'],
            'to' => ['LIGHTS_ON'],
        ],
        'FLICK_OFF' => [
            'from' => ['LIGHTS_ON'],
            'to' => ['LIGHTS_OFF'],
        ],
    ],
];

use JeroenG\Statinator\Statinator;
$statinator = new Statinator($config);

use JeroenG\Statinator\StatableInterface;

class LightSwitch implements StatableInterface {
    private string $currentState;

    public function __construct(string $initialState)
    {
        $this->currentState = $initialState;
    }

    public function getState(): string
    {
        return $this->currentState;
    }

    public function setState(string $to): void
    {
        $this->currentState = $to;
    }
}

$lightSwitch = new LightSwitch('LIGHTS_OFF');
$sm = $statinator->get($lightSwitch);

$sm->getState(); // LIGHTS_OFF
$sm->can('FLICK_ON'); // true
$sm->can('FLICK_OFF'); // false

$sm->apply('FLICK_ON');

$sm->getState(); // LIGHTS_ON
$sm->can('FLICK_ON'); // false
$sm->can('FLICK_OFF'); // true

// Using the configuration
$config = [
    // ...
    'transitions' => [
        'FLICK_ON' => [
            'from' => ['LIGHTS_OFF'],
            'to' => ['LIGHTS_ON'],
            'on' => [
                'entry' => NotifyLightsAreOn::class,
                'exit' => NotifyLightsAreOff::class,
            ],
        ],
    // ...
    ],
];

// Or using a setter
$statinator->onEntry('FLICK_ON', NotifyLightsAreOn::class);
$statinator->onExit('FLICK_ON', NotifyLightsAreOff::class);

$statinator->onEntry('FLICK_OFF', fn(StateMachineInterface $stateMachine, string $transition) => var_dump('Called it!'));

use JeroenG\Statinator\ActionableInterface;
use JeroenG\Statinator\StateMachineInterface;

class NotifyLightsAreOn implements ActionableInterface {
    private StateMachineInterface $stateMachine;
    private string $transition;

    public function getState(): string
    {
        return $this->stateMachine->getState();
    }

    public function execute(StateMachineInterface $stateMachine, string $transition): void
    {
        $this->stateMachine = $stateMachine;
        $this->transition = $transition;

        $notifier = new MyNotifier();
        $notifier->send('Lights are turned on');
    }

    public function getTransition(): string
    {
        return $this->transition;
    }
}