/**
* Checks whether transition is valid in context of workflow item state.
*
* Transition is considered invalid when workflow item is new and transition is not "start".
* Also transition is considered invalid when current step doesn't contain such allowed transition.
*
* @param Transition $transition
* @param WorkflowItem $workflowItem
* @param bool $fireExceptions
* @return bool
* @throws InvalidTransitionException
*/
protected function checkTransitionValid(Transition $transition, WorkflowItem $workflowItem, $fireExceptions)
{
// get current step
$currentStep = null;
if ($workflowItem->getCurrentStep() && ($currentStepName = $workflowItem->getCurrentStep()->getName())) {
$currentStep = $this->stepManager->getStep($currentStepName);
}
// if there is no current step - consider transition as a start transition
if (!$currentStep) {
if (!$transition->isStart()) {
if ($fireExceptions) {
throw InvalidTransitionException::notStartTransition($workflowItem->getWorkflowName(), $transition->getName());
}
return false;
}
} elseif (!$currentStep->isAllowedTransition($transition->getName())) {
// if transition is not allowed for current step
if ($fireExceptions) {
throw InvalidTransitionException::stepHasNoAllowedTransition($workflowItem->getWorkflowName(), $currentStep->getName(), $transition->getName());
}
return false;
}
return true;
}
public function testStart()
{
$obj = new Transition();
$this->assertFalse($obj->isStart());
$obj->setStart(true);
$this->assertTrue($obj->isStart());
}
