RepositoryScannerInstance scannerInstance = new RepositoryScannerInstance( repository, knownContentConsumers,
invalidContentConsumers, changesSince );
inProgressScans.add( scannerInstance );
dirWalker.addDirectoryWalkListener( scannerInstance );
// Execute scan.
dirWalker.scan();
RepositoryScanStatistics stats = scannerInstance.getStatistics();