String relationshipsFile = params.string("relationships.csv");
if (graphDb.exists()) {
FileUtils.deleteRecursively(graphDb);
}
final long nodesToCreate = params.longValue("#nodes");
ParallelImporter importer = new ParallelImporter(graphDb,nodesFile,relationshipsFile,
nodesToCreate, params.intValue("#max-props-per-node"),
params.intValue("#usual-rels-pernode"),
params.intValue("#max-rels-per-node"),
params.intValue("#max-props-per-rel"),