// Setup the Scan Instance
RepositoryScannerInstance scannerInstance = new RepositoryScannerInstance( repository, knownContentConsumers,
invalidContentConsumers, getLogger() );
scannerInstance.setOnlyModifiedAfterTimestamp( changesSince );
dirWalker.addDirectoryWalkListener( scannerInstance );
// Execute scan.
dirWalker.scan();
RepositoryContentStatistics stats = scannerInstance.getStatistics();