}
private NoSqlObjectStore getObjectStore(final IsisConfiguration configuration) {
if (objectStore == null) {
//final KeyCreatorDefault keyCreator = createKeyCreator();
final VersionCreator versionCreator = createVersionCreator();
final NoSqlDataDatabase db = createNoSqlDatabase(configuration);
final OidGenerator oidGenerator = new OidGenerator(createIdentifierGenerator(db));
final Map<String, DataEncryption> availableDataEncryption = new HashMap<String, DataEncryption>();
try {