From b030cd4ebafcdcb017cbec979ec58b0de663ceba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ilkka=20Sepp=C3=A4l=C3=A4?= <ilkka.seppala@gofore.com>
Date: Sat, 17 Sep 2016 09:20:33 +0300
Subject: [PATCH] Hexagonal pattern: Introduce lottery utils class

---
 .../hexagonal/domain/LotteryAdministration.java    |  2 +-
 .../iluwatar/hexagonal/domain/LotteryService.java  |  2 +-
 ...LotteryTicketChecker.java => LotteryUtils.java} | 14 ++++++--------
 3 files changed, 8 insertions(+), 10 deletions(-)
 rename hexagonal/src/main/java/com/iluwatar/hexagonal/domain/{LotteryTicketChecker.java => LotteryUtils.java} (83%)

diff --git a/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryAdministration.java b/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryAdministration.java
index d544c84a1..bc264a9ef 100644
--- a/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryAdministration.java
+++ b/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryAdministration.java
@@ -65,7 +65,7 @@ public class LotteryAdministration {
     LotteryNumbers numbers = LotteryNumbers.createRandom();
     Map<LotteryTicketId, LotteryTicket> tickets = getAllSubmittedTickets();
     for (LotteryTicketId id : tickets.keySet()) {
-      LotteryTicketCheckResult result = new LotteryTicketChecker(repository).checkTicketForPrize(id, numbers);
+      LotteryTicketCheckResult result = LotteryUtils.checkTicketForPrize(repository, id, numbers);
       if (result.getResult().equals(LotteryTicketCheckResult.CheckResult.WIN_PRIZE)) {
         boolean transferred = wireTransfers.transferFunds(LotteryConstants.PRIZE_AMOUNT,
             LotteryConstants.SERVICE_BANK_ACCOUNT, tickets.get(id).getPlayerDetails().getBankAccount());
diff --git a/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java b/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java
index 6a032462d..dceac26e4 100644
--- a/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java
+++ b/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java
@@ -72,6 +72,6 @@ public class LotteryService {
    * Check if lottery ticket has won
    */
   public LotteryTicketCheckResult checkTicketForPrize(LotteryTicketId id, LotteryNumbers winningNumbers) {
-    return new LotteryTicketChecker(repository).checkTicketForPrize(id, winningNumbers);
+    return LotteryUtils.checkTicketForPrize(repository, id, winningNumbers);
   }
 }
diff --git a/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketChecker.java b/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryUtils.java
similarity index 83%
rename from hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketChecker.java
rename to hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryUtils.java
index ce193386b..dc34c7f7d 100644
--- a/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketChecker.java
+++ b/hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryUtils.java
@@ -27,20 +27,18 @@ import com.iluwatar.hexagonal.database.LotteryTicketRepository;
 import java.util.Optional;
 
 /**
- * Lottery ticket checker
+ * Lottery utilities
  */
-public class LotteryTicketChecker {
+public class LotteryUtils {
 
-  private final LotteryTicketRepository repository;
-
-  public LotteryTicketChecker(LotteryTicketRepository repository) {
-    this.repository = repository;
+  private LotteryUtils() {
   }
 
   /**
-   * Check if lottery ticket has won
+   * Checks if lottery ticket has won
    */
-  public LotteryTicketCheckResult checkTicketForPrize(LotteryTicketId id, LotteryNumbers winningNumbers) {
+  public static LotteryTicketCheckResult checkTicketForPrize(LotteryTicketRepository repository, LotteryTicketId id,
+                                                      LotteryNumbers winningNumbers) {
     Optional<LotteryTicket> optional = repository.findById(id);
     if (optional.isPresent()) {
       if (optional.get().getNumbers().equals(winningNumbers)) {