Current File : /home/tjamichg/cursos.tjamich.gob.mx/vendor/winzou/state-machine/src/SM/Factory/AbstractFactory.php
<?php
/*
* This file is part of the StateMachine package.
*
* (c) Alexandre Bacco
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SM\Factory;
use SM\SMException;
use SM\StateMachine\StateMachineInterface;
abstract class AbstractFactory implements ClearableFactoryInterface
{
/**
* @var array
*/
protected $configs;
/**
* @var array
*/
protected $stateMachines = array();
/**
* @param array $configs Array of configs for the available state machines
*/
public function __construct(array $configs)
{
foreach ($configs as $graph => $config) {
$this->addConfig($config, $graph);
}
}
/**
* {@inheritDoc}
*/
public function get($object, $graph = 'default')
{
$hash = spl_object_hash($object);
if (isset($this->stateMachines[$hash][$graph])) {
return $this->stateMachines[$hash][$graph];
}
foreach ($this->configs as $config) {
if ($config['graph'] === $graph && $object instanceof $config['class']) {
return $this->stateMachines[$hash][$graph] = $this->createStateMachine($object, $config);
}
}
throw new SMException(sprintf(
'Cannot create a state machine because the configuration for object "%s" with graph "%s" does not exist.',
get_class($object),
$graph
));
}
/**
* {@inheritDoc}
*/
public function clear()
{
$this->stateMachines = array();
}
/**
* Adds a new config
*
* @param array $config
* @param string $graph
*
* @throws SMException If the index "class" is not configured
*/
public function addConfig(array $config, $graph = 'default')
{
if (!isset($config['graph'])) {
$config['graph'] = $graph;
}
if (!isset($config['class'])) {
throw new SMException(sprintf(
'Index "class" needed for the state machine configuration of graph "%s"',
$config['graph']
));
}
$this->configs[] = $config;
}
/**
* Create a state machine for the given object and config
*
* @param $object
* @param array $config
*
* @return StateMachineInterface
*/
abstract protected function createStateMachine($object, array $config);
}
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