Lab #2 - Building a Composite Microservice 
        
        
        you will be creating/refactoring 3 Java projects:
        
        #1 the orginal Microservice will become the back-end service called by 
            the composite microservice
            this microservice will support these Endpoints:
            
            @GetMapping(value="/routes", produces="application/json")
            List<Route> getRoutes() throws IOException;

            @GetMapping(value="/route/{code}", produces="application/json")
            Route getRouteByCode(@PathVariable String code)  throws IOException;
                
            and Optionaly
            @GetMapping(value="/stage/{code}/{stageNum}", produces="application/json")
            Stage getStageByCodeAndNumber(@PathVariable String code,
                                              @PathVariable int stageNum)  throws IOException;
            
        #2 a non Spring Boot project, a Maven project to hold the entity classes used by 
            the Microservices move the Route, RouteList and Stage classes to this project, 
            then build this project to get a jar (Run As -> Maven Install)  
            Add this jar as a dependency to project #1
            and run project #1 to confirm it still works
            
            this project will also contain the entity class(es) for the composite microservice
            
            RouteSummary
                private String name;
                private String code;
                private String nickname;
                private int count;
                private int length;
                private String description;
                private String startCity;
                private String startCountry;

           make sure all the entity classes implement Serializable 
           and have toString(), equals() and hashCode() methods
           
        #3 the new Spring Boot project w/ the Spring Web dependency
            this will have the following EndPoints
            
            @GetMapping(value="/routeSummaries", produces="application/json")
            List<RouteSummary> getRouteSummaries()  throws IOException;
                
            @GetMapping(value="/routeSummary/{code}", produces="application/json")
            RouteSummary getRouteSummaryByCode(@PathVariable String code)  throws IOException;
            
            these endpoints will invoke microservie #1 to get the Route data, then create the RouteSummary
            output
            
         Run the compsite microservice and verify everthing works.
         Make sure microservice #1 is running on a different port
         
         
         Options:
            can you add Logging to each microservices?
            can you generate a Correlation ID and pass it between microservices?