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<?php |
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declare(strict_types=1); |
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namespace Dflydev\FiniteStateMachine\TransitionEvent; |
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use Dflydev\FiniteStateMachine\Contracts\TransitionEventCallback; |
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use Dflydev\FiniteStateMachine\State\State; |
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use Dflydev\FiniteStateMachine\Transition\Transition; |
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class TransitionEvent |
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{ |
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private string $when; |
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private string $name; |
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private array $transitionNames; |
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private array $fromStateNames; |
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private array $toStateNames; |
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private TransitionEventCallback $transitionEventCallback; |
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public function __construct( |
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string $when, |
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string $name, |
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array $transitionNames, |
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array $fromStateNames, |
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array $toStateNames, |
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TransitionEventCallback $transitionEventCallback |
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) { |
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$this->when = $when; |
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$this->name = $name; |
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$this->transitionNames = $transitionNames; |
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$this->fromStateNames = $fromStateNames; |
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$this->toStateNames = $toStateNames; |
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$this->transitionEventCallback = $transitionEventCallback; |
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} |
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public function when(): string |
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{ |
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return $this->when; |
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} |
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public function name(): string |
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{ |
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return $this->name; |
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} |
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public function transitionNames(): array |
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{ |
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return $this->transitionNames; |
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} |
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public function fromStateNames(): array |
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{ |
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return $this->fromStateNames; |
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} |
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public function toStateNames(): array |
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{ |
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return $this->toStateNames; |
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} |
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public function transitionEventCallback(): TransitionEventCallback |
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{ |
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return $this->transitionEventCallback; |
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} |
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public function fireIfMatches( |
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string $when, |
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object $object, |
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Transition $transition, |
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State $fromState, |
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State $toState |
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): void { |
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if ($when !== $this->when) { |
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return; |
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} |
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$matches = []; |
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if (count($this->transitionNames) > 0) { |
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$matches[] = in_array($transition->name(), $this->transitionNames); |
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} |
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if (count($this->fromStateNames) > 0) { |
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$matches[] = in_array($fromState->name(), $this->fromStateNames); |
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} |
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if (count($this->toStateNames) > 0) { |
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$matches[] = in_array($toState->name(), $this->toStateNames); |
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} |
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if (count($matches) === 0) { |
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return; |
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} |
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if (in_array(false, $matches)) { |
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return; |
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} |
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$this->transitionEventCallback->__invoke($when, $object, $transition, $fromState, $toState); |
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} |
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} |
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dflydev /
dflydev-finite-state-machine
