Hanney-Ryu
diff --git a/‎hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java‎
Lines changed: 3 additions & 1 deletion b/‎hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java‎
Lines changed: 3 additions & 1 deletion
diff --git a/‎hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryServiceImpl.java‎
Lines changed: 2 additions & 8 deletions b/‎hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryServiceImpl.java‎
Lines changed: 2 additions & 8 deletions
diff --git a/‎hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketSubmitResult.java‎
Lines changed: 0 additions & 115 deletions b/‎hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketSubmitResult.java‎
Lines changed: 0 additions & 115 deletions
diff --git a/‎hexagonal/src/test/java/com/iluwatar/hexagonal/domain/LotteryTicketSubmitResultTest.java‎
Lines changed: 0 additions & 51 deletions b/‎hexagonal/src/test/java/com/iluwatar/hexagonal/domain/LotteryTicketSubmitResultTest.java‎
Lines changed: 0 additions & 51 deletions
@@ -22,14 +22,16 @@
  */
 package com.iluwatar.hexagonal.domain;
 
+import java.util.Optional;
+
 /**
  * 
  * Interface for submitting and checking lottery tickets.
  *
  */
 public interface LotteryService {
 
-  LotteryTicketSubmitResult submitTicket(LotteryTicket ticket);
+  Optional<LotteryTicketId> submitTicket(LotteryTicket ticket);
 
   LotteryTicketCheckResult checkTicketForPrize(LotteryTicketId id, LotteryNumbers winningNumbers);
 }
@@ -26,7 +26,6 @@
 
 import com.iluwatar.hexagonal.database.LotteryTicketRepositoryMock;
 import com.iluwatar.hexagonal.domain.LotteryTicketCheckResult.CheckResult;
-import com.iluwatar.hexagonal.domain.LotteryTicketSubmitResult.Result;
 
 public class LotteryServiceImpl implements LotteryService {
 
@@ -37,13 +36,8 @@ public LotteryServiceImpl() {
   }
 
   @Override
-  public LotteryTicketSubmitResult submitTicket(LotteryTicket ticket) {
-    Optional<LotteryTicketId> optional = repository.save(ticket);
-    Result result = Result.OK;
-    if (!optional.isPresent()) {
-      result = Result.ERROR;
-    }
-    return new LotteryTicketSubmitResult(result);
+  public Optional<LotteryTicketId> submitTicket(LotteryTicket ticket) {
+    return repository.save(ticket);
   }
 
   @Override
Original file line number	Diff line number	Diff line change
`@@ -22,14 +22,16 @@`
`22`	`22`	`*/`
`23`	`23`	`package com.iluwatar.hexagonal.domain;`
`24`	`24`
	`25`	`+import java.util.Optional;`
	`26`	`+`
`25`	`27`	`/**`
`26`	`28`	`*`
`27`	`29`	`* Interface for submitting and checking lottery tickets.`
`28`	`30`	`*`
`29`	`31`	`*/`
`30`	`32`	`public interface LotteryService {`
`31`	`33`
`32`		`- LotteryTicketSubmitResult submitTicket(LotteryTicket ticket);`
	`34`	`+ Optional<LotteryTicketId> submitTicket(LotteryTicket ticket);`
`33`	`35`
`34`	`36`	`LotteryTicketCheckResult checkTicketForPrize(LotteryTicketId id, LotteryNumbers winningNumbers);`
`35`	`37`	`}`