implement bootstrap interface 
implement bootstrap interface 

BaiGang/taskgraph,fengjingchao/taskgraph,taskgraph/taskgraph,plutoshe/taskgraph,dzch/taskgraph,5kg/taskgraph,taskgraph/taskgraph,plutoshe/mapreduceOfTaskgraph,kod3r/taskgraph,kod3r/taskgraph,go-distributed/meritop,dzch/taskgraph,fengjingchao/taskgraph,go-distributed/meritop,plutoshe/mapreduceOfTaskgraph,5kg/taskgraph,plutoshe/taskgraph,BaiGang/taskgraph