dtlab query with graph helper

dtlab_query.png

dtlab_query.uml

@startuml

box "Remote Operator" #LightGreen
  entity "HTTP\nClient" as dev1
  entity "Browser\nApp" as app1
  entity "Mobile\nApp" as app2
end box

box "Internet Boundary" #White

  boundary "public IP\nscalable ingress" as ingress

end box

box "Cloud Hosting" #LightBlue

  participant "Graph GraphQL API Server\nwith resolvers that\nknow about the\ngraph DB and\nthe REST interface\nto the actor runtime" as gql
  participant "Actor REST API Server\ndirect communication\nwith DTs is all\nvia REST" as rest

end box

box "DT Hosting: LIVE OBJECTS LIVE HERE!" #LightYellow

  collections "DT PERSISTENT ACTOR RUNTIME,\n(Akka, Erlang,\nsharded PyAkka)" as dts
  database "Graph\nLinks" as links

end box

dev1 -> ingress : GrapQL query
ingress -> gql : GrapQL query

group query the graph triples to\nget list of DTs
  gql -> links : ask the graph DB for list of DTs in complex query
  gql <- links : list of DTs
end

group query the DTs directly now\nthat we know which\nones we are interested in
  gql -> rest : HTTP GET
  rest -> dts : internal actor protocol
  rest <- dts: internal actor protocol 
  gql <- rest : HTTP Results

  gql -> rest : HTTP GET
  rest -> dts : internal actor protocol
  rest <- dts: internal actor protocol 
  gql <- rest : HTTP Results

end

ingress <- gql : return single result
ingress -> dev1 : GraphQL query result
@enduml