public function rollback()
{
if ($this->previousDescriptor) {
$this->rootPackageFile->addTypeDescriptor($this->previousDescriptor);
} else {
$this->rootPackageFile->removeTypeDescriptor($this->typeDescriptor->getName());
}
}
/**
* {@inheritdoc}
*/
public function execute()
{
if (!$this->rootPackageFile->hasTypeDescriptor($this->typeName)) {
return;
}
$this->previousDescriptor = $this->rootPackageFile->getTypeDescriptor($this->typeName);
$this->rootPackageFile->removeTypeDescriptor($this->typeName);
}