<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Workflow\Validator;

use Symfony\Component\Workflow\Definition;
use Symfony\Component\Workflow\Exception\InvalidDefinitionException;

/**
 * @author Tobias Nyholm <tobias.nyholm@gmail.com>
 */
class StateMachineValidator implements DefinitionValidatorInterface
{
    public function validate(Definition $definition, $name)
    {
        $transitionFromNames = array();
        foreach ($definition->getTransitions() as $transition) {
            // Make sure that each transition has exactly one TO
            if (1 !== count($transition->getTos())) {
                throw new InvalidDefinitionException(sprintf('A transition in StateMachine can only have one output. But the transition "%s" in StateMachine "%s" has %d outputs.', $transition->getName(), $name, count($transition->getTos())));
            }

            // Make sure that each transition has exactly one FROM
            $froms = $transition->getFroms();
            if (1 !== count($froms)) {
                throw new InvalidDefinitionException(sprintf('A transition in StateMachine can only have one input. But the transition "%s" in StateMachine "%s" has %d inputs.', $transition->getName(), $name, count($froms)));
            }

            // Enforcing uniqueness of the names of transitions starting at each node
            $from = reset($froms);
            if (isset($transitionFromNames[$from][$transition->getName()])) {
                throw new InvalidDefinitionException(sprintf('A transition from a place/state must have an unique name. Multiple transitions named "%s" from place/state "%s" where found on StateMachine "%s". ', $transition->getName(), $from, $name));
            }

            $transitionFromNames[$from][$transition->getName()] = true;
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODI4NzI4NTExMDIwNTc3IDIzNzI2MTAzNzk2MTMzNTggMTY5MTA0NTM2MDIyNzgxOA==