lookup the server group that stores the given key . concode_field_sep int mappingId concode_elem_sep ShardingType shardingType concode_elem_sep Set<ShardTable> shardTables concode_elem_sep Set<ShardIndex> shardIndices concode_elem_sep String globalGroupName concode_field_sep ShardIndex getShardIndexForKey concode_elem_sep int getMappingId concode_elem_sep ShardingType getShardingType concode_elem_sep Set<ShardIndex> getShardIndices concode_elem_sep String getGlobalGroupName concode_elem_sep Set<ShardTable> getShardTables
String function ( String arg0 ) { return getShardIndexForKey ( arg0 ) . getGroupName ( ) ; }