protected function getMigrationConfiguration(InputInterface $input, OutputInterface $output)
{
if (!$this->migrationConfiguration) {
if ($this->getHelperSet()->has('configuration') && $this->getHelperSet()->get('configuration') instanceof ConfigurationHelper) {
$configHelper = $this->getHelperSet()->get('configuration');
} else {
$configHelper = new ConfigurationHelper($this->getConnection($input), $this->configuration);
}
$this->migrationConfiguration = $configHelper->getMigrationConfig($input, $this->getOutputWriter($output));
}
return $this->migrationConfiguration;
}