public AssignRegionResponse assignRegion(RpcController controller,
AssignRegionRequest req) throws ServiceException {
try {
final byte [] regionName = req.getRegion().getValue().toByteArray();
RegionSpecifierType type = req.getRegion().getType();
AssignRegionResponse arr = AssignRegionResponse.newBuilder().build();
master.checkInitialized();
if (type != RegionSpecifierType.REGION_NAME) {
LOG.warn("assignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME
+ " actual: " + type);