Metabor\Statemachine\Factory\TransitionSelector\OneOrNoneActiveTransition::selectTransition()

Complexity

Conditions	3
Paths	3

Size

Total Lines	13
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	3.0176

Importance

Changes	2
Bugs	1	Features	1

<?php
    public function selectTransition(\Traversable $transitions)
    {
        $transitions = iterator_to_array($transitions);

        switch (count($transitions)) {
            case 0:
                return;
            case 1:
                return reset($transitions);
            default:
                throw new \RuntimeException('More than one transition is active!');
        }
    }
}