/**
* Evaluates the configured (symfony) expression for the given subject.
*
* @param StatefulSubjectInterface $subject
*
* @return boolean
*/
public function accept(StatefulSubjectInterface $subject)
{
$execution_context = $subject->getExecutionContext();
$parameters = $execution_context->getParameters();
if (is_object($parameters) && is_callable(array($parameters, 'toArray'))) {
$params = $parameters->toArray();
} elseif (is_array($parameters)) {
$params = $parameters;
} else {
throw new RuntimeError('Invalid return type given by execution context get parameters method.');
}
return (bool) $this->expression_language->evaluate($this->getOption('expression'), array_merge(['subject' => $subject], $params));
}
/**
* Evaluates the configured expression for the given subject. The expression may
* use the current user as "current_user" and the subject as "subject".
*
* @param StatefulSubjectInterface $subject
*
* @return boolean true if transition is acceptable
*/
public function accept(StatefulSubjectInterface $subject)
{
$execution_context = $subject->getExecutionContext();
$parameters = $execution_context->getParameters();
if (is_array($parameters)) {
$params = $parameters;
} elseif (is_object($parameters) && is_callable(array($parameters, 'toArray'))) {
$params = $parameters->toArray();
} else {
throw new RuntimeError('The $subject->getExecutionContext()->getParameters() must return array or object with toArray method.');
}
$transition_acceptable = $this->expression_service->evaluate($this->options->get('expression'), array_merge($params, ['subject' => $subject, 'current_user' => $this->environment->getUser()]));
return (bool) $transition_acceptable;
}
/**
* Propagates the new state machine position to the execution context of the given subject,
* by calling the execution context's "onStateExit" method.
*
* @param StatefulSubjectInterface $subject
*/
public function onExit(StatefulSubjectInterface $subject)
{
$subject->getExecutionContext()->onStateExit($this);
}
/**
* Determines the state at which to resume the exexution.
*
* @param StatefulSubjectInterface $subject
*
* @return StateInterface
*
* @throws Error If the state exposed by the subject's execution context is invalid or does not exist.
*/
protected function resumeExecutionState(StatefulSubjectInterface $subject)
{
return $this->getStateOrFail($subject->getExecutionContext()->getCurrentStateName());
}
/**
* Evaluates the configured (symfony) expression for the given subject.
*
* @param StatefulSubjectInterface $subject
*
* @return boolean
*/
public function accept(StatefulSubjectInterface $subject)
{
$execution_context = $subject->getExecutionContext();
return (bool) $this->expression_language->evaluate($this->getOption('expression'), ['subject' => $subject, 'params' => $execution_context->getParameters()]);
}