gRPC Ballerina Blog Posts - 2

dronemgmt2.bal

@grpc:ServiceConfig
service DroneMgmt bind listener {
  GetDrone(endpoint caller, string droneId) {
    DroneInfo info = dronesMap[droneId] but { ()=>{} };
    _ = caller->send(info);
    _ = caller->complete();
  }
  AddDrone(endpoint caller, DroneInfo droneReq) {
    string droneId = droneReq.id;
    dronesMap[droneId] = droneReq;
    DroneInfo info = dronesMap[droneId] but { () => {} };
    _ = caller->send(info);
    _ = caller->complete();
  }
 UpdateDrone(endpoint caller, DroneInfo updateReq) {
   string droneId = updateReq.id;
   DroneInfo info;
   if (dronesMap.hasKey(droneId)) {
     dronesMap[droneId] = updateReq;
     info = updateReq;
   } else {
     info = {};
   }
   _ = caller->send(info);
   _ = caller->complete();
 }
}