The Gate entity within the microservice architecture

Entity-Relationship-Model of <AirportService>

Entity Name: Gate

Microservices

3.1 AirplaneService	3.2 AirportService	3.3 CargoService	3.4 CountryService	3.5 EmployeeService	3.6 LuggageService
3.7 PassengerBookingService

Entity Properties

Property Name	Datatype	Data Entity	Reference Entity
GateName	STRING	Gate
PrimaryKey	LONG	Gate
ServerReplicationVersion	LONG	Gate
Terminal	LONG	Gate	Terminal

Service Interfaces

Relative mapping URL	Request Method	Method Name	Microservice	Involved Entities
/gate	GET	findAllGate()	AirportService	Gate
/flight/arrivalgate/{id}	GET	findAllFlightOfArrivalGate(id)	AirportService	Gate Flight
/gate/{id}	GET	findGateById(id)	AirportService	Gate
/gate	POST	insertGate(gate)	AirportService	Gate
/flight/departuregate/{id}	GET	findAllFlightOfDepartureGate(id)	AirportService	Gate Flight
/gate/terminal/{id}	GET	findAllGateOfTerminal(id)	AirportService	Terminal Gate
/gate/{id}	PUT	updateGateById(gate)	AirportService	Gate
/gate/{id}	DELETE	deleteGateById(id)	AirportService	Gate

Pseudo code snippet

final Gate gate = (Gate) this.callMicroservice(ServiceNames.AIRPORT_SERVICE + "/gate/" + id, Gate.class);
if (gate != null) {
    final Terminal terminal1 = (Terminal) this.callMicroservice(ServiceNames.AIRPORT_SERVICE + "/terminal/" + gate.getTerminal().getId(), Terminal.class);
    if (terminal1 != null) {
        final Airport airport2 = (Airport) this.callMicroservice(ServiceNames.AIRPORT_SERVICE + "/airport/" + terminal1.getAirport().getId(), Airport.class);
        if (airport2 != null) {
            final City city3 = (City) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/city/" + airport2.getCity().getId(), City.class);
            if (city3 != null) {
                final Country country4 = (Country) this.callMicroservice(ServiceNames.COUNTRY_SERVICE + "/country/" + city3.getCountry().getId(), Country.class);
                if (country4 != null) {
                }
            }
        }
    }
}
return gate;

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