From 9e835f65e792bc36d880f946932ad2eeeebbd211 Mon Sep 17 00:00:00 2001
From: cgw981 <cgw981@naver.com>
Date: Sun, 9 Jul 2023 18:21:54 +0900
Subject: [PATCH] Added paradigm for UseCase input validation.

---
 .../com/hexagonaldemo/paymentapi/common/model/UseCase.java     | 2 ++
 .../paymentapi/common/usecase/BeanAwareUseCasePublisher.java   | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/model/UseCase.java b/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/model/UseCase.java
index 54e0db6..c1408d2 100644
--- a/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/model/UseCase.java
+++ b/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/model/UseCase.java
@@ -1,4 +1,6 @@
 package com.hexagonaldemo.paymentapi.common.model;
 
 public interface UseCase {
+
+    default void isSatisfied() {}
 }
diff --git a/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/usecase/BeanAwareUseCasePublisher.java b/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/usecase/BeanAwareUseCasePublisher.java
index b5da8ca..f615b03 100644
--- a/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/usecase/BeanAwareUseCasePublisher.java
+++ b/payment-api/domain/src/main/java/com/hexagonaldemo/paymentapi/common/usecase/BeanAwareUseCasePublisher.java
@@ -16,6 +16,7 @@ public class BeanAwareUseCasePublisher implements UseCasePublisher {
     public <R, T extends UseCase> R publish(Class<R> returnClass, T useCase) {
         var useCaseHandler = (UseCaseHandler<R, T>) UseCaseHandlerRegistry.INSTANCE.detectUseCaseHandlerFrom(useCase.getClass());
         validateUseCaseHandlerDetection(useCase, useCaseHandler);
+        useCase.isSatisfied();
         return useCaseHandler.handle(useCase);
     }
 
@@ -26,9 +27,11 @@ public <R, T extends UseCase> void publish(T useCase) {
         if (Objects.isNull(voidUseCaseHandler)) {
             var useCaseHandler = (UseCaseHandler<R, T>) UseCaseHandlerRegistry.INSTANCE.detectUseCaseHandlerFrom(useCase.getClass());
             validateUseCaseHandlerDetection(useCase, useCaseHandler);
+            useCase.isSatisfied();
             useCaseHandler.handle(useCase);
         } else {
             validateVoidUseCaseHandlerDetection(useCase, voidUseCaseHandler);
+            useCase.isSatisfied();
             voidUseCaseHandler.handle(useCase);
         }
     }