+
+ @Override public Optional<String> getModuleNameFromNameSpace(
+ String nameSpace) {
+ return Optional.absent();
+ }
+
+ @Override
+ public Map<String, ShardStrategy> getModuleNameToShardStrategyMap() {
+ return Collections.EMPTY_MAP;
+ }
+
+ @Override public List<String> getShardNamesFromModuleName(
+ String moduleName) {
+ return Collections.EMPTY_LIST;
+ }