Refactor interfaces

hexagonal/src/main/java/com/iluwatar/hexagonal/database/LotteryTicketRepositoryMock.java

@@ -25,9 +25,9 @@ package com.iluwatar.hexagonal.database;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
-import java.util.UUID;
 
 import com.iluwatar.hexagonal.domain.LotteryTicket;
+import com.iluwatar.hexagonal.domain.LotteryTicketId;
 import com.iluwatar.hexagonal.domain.LotteryTicketRepository;
 
 /**
@@ -37,11 +37,11 @@ import com.iluwatar.hexagonal.domain.LotteryTicketRepository;
  */
 public class LotteryTicketRepositoryMock implements LotteryTicketRepository {
   
-  private Map<UUID, LotteryTicket> tickets = new HashMap<>();
+  private Map<LotteryTicketId, LotteryTicket> tickets = new HashMap<>();
 
   @Override
-  public Optional<LotteryTicket> findByUuid(UUID uuid) {
-    LotteryTicket ticket = tickets.get(uuid);
+  public Optional<LotteryTicket> findById(LotteryTicketId id) {
+    LotteryTicket ticket = tickets.get(id);
     if (ticket == null) {
       return Optional.empty();
     } else {
@@ -50,14 +50,14 @@ public class LotteryTicketRepositoryMock implements LotteryTicketRepository {
   }
 
   @Override
-  public Optional<UUID> save(LotteryTicket ticket) {
-    UUID uuid = UUID.randomUUID();
-    tickets.put(uuid, ticket);
-    return Optional.of(uuid);
+  public Optional<LotteryTicketId> save(LotteryTicket ticket) {
+    LotteryTicketId id = new LotteryTicketId();
+    tickets.put(id, ticket);
+    return Optional.of(id);
   }
 
   @Override
-  public Map<UUID, LotteryTicket> findAll() {
+  public Map<LotteryTicketId, LotteryTicket> findAll() {
     return tickets;
   }
 }

hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryAdministration.java

@@ -32,6 +32,6 @@ import java.util.List;
 public interface LotteryAdministration {
 
   List<LotteryTicket> getAllSubmittedTickets();
-  List<LotteryTicket> performLottery();
+  LotteryNumbers performLottery();
   
 }

hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryService.java

@@ -31,5 +31,5 @@ public interface LotteryService {
 
   LotteryTicketSubmitResult submitTicket(LotteryTicket ticket);
 
-  LotteryTicketCheckResult checkTicketForPrize(LotteryTicket ticket);
+  LotteryTicketCheckResult checkTicketForPrize(LotteryTicketId id, LotteryNumbers winningNumbers);
 }

hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryServiceImpl.java

@@ -0,0 +1,62 @@
+/**
+ * The MIT License
+ * Copyright (c) 2014 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.iluwatar.hexagonal.domain;
+
+import java.util.Optional;
+
+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 {
+
+  private final LotteryTicketRepository repository;
+  
+  public LotteryServiceImpl() {
+    repository = new LotteryTicketRepositoryMock();
+  }
+  
+  @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);
+  }
+
+  @Override
+  public LotteryTicketCheckResult checkTicketForPrize(LotteryTicketId id, LotteryNumbers winningNumbers) {
+    Optional<LotteryTicket> optional = repository.findById(id);
+    if (optional.isPresent()) {
+      if (optional.get().getNumbers().equals(winningNumbers)) {
+        return new LotteryTicketCheckResult(CheckResult.WIN_PRIZE);
+      } else {
+        return new LotteryTicketCheckResult(CheckResult.NO_PRIZE);
+      }
+    } else {
+      return new LotteryTicketCheckResult(CheckResult.TICKET_NOT_SUBMITTED);
+    }
+  }
+}

hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketId.java

@@ -0,0 +1,38 @@
+/**
+ * The MIT License
+ * Copyright (c) 2014 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.iluwatar.hexagonal.domain;
+
+import java.util.UUID;
+
+public class LotteryTicketId {
+  
+  private final UUID id;
+  
+  public LotteryTicketId() {
+    id = UUID.randomUUID();
+  }
+  
+  public UUID getId() {
+    return id;
+  }
+}

hexagonal/src/main/java/com/iluwatar/hexagonal/domain/LotteryTicketRepository.java

@@ -24,7 +24,6 @@ package com.iluwatar.hexagonal.domain;
 
 import java.util.Map;
 import java.util.Optional;
-import java.util.UUID;
 
 /**
  * 
@@ -33,8 +32,8 @@ import java.util.UUID;
  */
 public interface LotteryTicketRepository {
 
-  Optional<LotteryTicket> findByUuid(UUID uuid);
-  Optional<UUID> save(LotteryTicket ticket);
-  Map<UUID, LotteryTicket> findAll();
+  Optional<LotteryTicket> findById(LotteryTicketId id);
+  Optional<LotteryTicketId> save(LotteryTicket ticket);
+  Map<LotteryTicketId, LotteryTicket> findAll();
   
 }

hexagonal/src/test/java/com/iluwatar/hexagonal/domain/LotteryTicketRepositoryTest.java

@@ -46,10 +46,10 @@ public class LotteryTicketRepositoryTest {
     LotteryTicketRepository repository = new LotteryTicketRepositoryMock();
     assertEquals(repository.findAll().size(), 0);
     LotteryTicket ticket = createLotteryTicket();
-    Optional<UUID> uuid = repository.save(ticket);
-    assertTrue(uuid.isPresent());
+    Optional<LotteryTicketId> id = repository.save(ticket);
+    assertTrue(id.isPresent());
     assertEquals(repository.findAll().size(), 1);
-    Optional<LotteryTicket> optionalTicket = repository.findByUuid(uuid.get());
+    Optional<LotteryTicket> optionalTicket = repository.findById(id.get());
     assertTrue(optionalTicket.isPresent());
   }