Project Lombok Builder Pattern

Author: Jörg-Christian Müller

src/main/java/guru/springframework/spring6restmvc/model/Beer.java

@@ -1,5 +1,6 @@
 package guru.springframework.spring6restmvc.model;
 
+import lombok.Builder;
 import lombok.Data;
 
 import java.math.BigDecimal;
@@ -9,6 +10,7 @@
 /**
  * Created by jt, Spring Framework Guru.
  */
+@Builder
 @Data
 public class Beer {
     private UUID id;

src/main/java/guru/springframework/spring6restmvc/services/BeerService.java

@@ -0,0 +1,13 @@
+package guru.springframework.spring6restmvc.services;
+
+import guru.springframework.spring6restmvc.model.Beer;
+
+import java.util.UUID;
+
+/**
+ * Created by jt, Spring Framework Guru.
+ */
+public interface BeerService {
+
+    Beer getBeerById(UUID id);
+}

src/main/java/guru/springframework/spring6restmvc/services/BeerServiceImpl.java

@@ -0,0 +1,28 @@
+package guru.springframework.spring6restmvc.services;
+
+import guru.springframework.spring6restmvc.model.Beer;
+import guru.springframework.spring6restmvc.model.BeerStyle;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+/**
+ * Created by jt, Spring Framework Guru.
+ */
+public class BeerServiceImpl implements BeerService {
+    @Override
+    public Beer getBeerById(UUID id) {
+        return Beer.builder()
+                .id(id)
+                .version(1)
+                .beerName("Galaxy Cat")
+                .beerStyle(BeerStyle.PALE_ALE)
+                .upc("12356")
+                .price(new BigDecimal("12.99"))
+                .quantityOnHand(122)
+                .createdDate(LocalDateTime.now())
+                .updateDate(LocalDateTime.now())
+                .build();
+    }
+}