Modified multi-in/out deployer test to work with POJOs

spring-cloud-function-deployer/src/it/bootapp-multi/src/main/java/function/example/RepeaterApplication.java

@@ -11,14 +11,70 @@ import java.util.function.Function;
 @SpringBootApplication
 public class RepeaterApplication {
 
-    @Bean
-    public Function<Tuple2<Flux<String>, Flux<Integer>>,
-            Tuple2<Flux<Double>, Flux<String>>
-            > fn() {
-        return new MyFn();
-    }
+	@Bean
+	public Function<Tuple2<Flux<CartEvent>, Flux<CheckoutEvent>>, Flux<OrderEvent>> fn() {
+		return tuple -> {
+			Flux<CartEvent> cartEventStream = tuple.getT1();
+			Flux<CheckoutEvent> checkoutEventStream = tuple.getT2();
+
+			return Flux.zip(cartEventStream, checkoutEventStream, (cartEvent, checkoutEvent) -> {
+				OrderEvent oe = new OrderEvent();
+				oe.setOrderEvent(cartEvent.toString() + "- " + checkoutEvent.toString());
+				return oe;
+			});
+		};
+	}
 
     public static void main(String[] args) {
         SpringApplication.run(RepeaterApplication.class, args);
     }
+
+    public static class CartEvent {
+		private String carEvent;
+
+		public String getCarEvent() {
+			return carEvent;
+		}
+
+		public void setCarEvent(String carEvent) {
+			this.carEvent = carEvent;
+		}
+
+		public String toString() {
+			return "CartEvent: " + carEvent;
+		}
+	}
+
+	public static class CheckoutEvent {
+		private String checkoutEvent;
+
+		public String getCheckoutEvent() {
+			return checkoutEvent;
+		}
+
+		public void setCheckoutEvent(String checkoutEvent) {
+			this.checkoutEvent = checkoutEvent;
+		}
+
+		public String toString() {
+			return "CheckoutEvent: " + checkoutEvent;
+		}
+	}
+
+	public static class OrderEvent {
+		private String orderEvent;
+
+		public String getOrderEvent() {
+			return orderEvent;
+		}
+
+		public void setOrderEvent(String orderEvent) {
+			this.orderEvent = orderEvent;
+		}
+
+		public String toString() {
+			return "OrderEvent: " + orderEvent;
+		}
+	}
+
 }