String function ( ) { return topic ; }
the topic name concode_field_sep Node leader concode_elem_sep int partition concode_elem_sep Node[] replicas concode_elem_sep String topic concode_elem_sep Node[] inSyncReplicas concode_field_sep Node leader concode_elem_sep int partition concode_elem_sep Node[] replicas concode_elem_sep String fmtNodeIds concode_elem_sep Node[] inSyncReplicas concode_elem_sep String toString