From 5e09acd5c96700a32cb72e6a28a1ffa40006f24c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg-Christian=20M=C3=BCller?=
 <joerg-christian.mueller@shv-is.eu>
Date: Sun, 17 Mar 2024 12:06:22 +0100
Subject: [PATCH 1/3] Initial

---
 pom.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index c59a9aed6..a02e6bf2f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.0.2</version>
+        <version>3.2.3</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>guru.springframework</groupId>
@@ -14,7 +14,7 @@
     <name>spring-6-rest-mvc</name>
     <description>spring-6-rest-mvc</description>
     <properties>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
     </properties>
     <dependencies>
         <dependency>

From b6a85d3d78615e4498ee65aad57632db8cba2a94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg-Christian=20M=C3=BCller?=
 <joerg-christian.mueller@shv-is.eu>
Date: Sun, 17 Mar 2024 13:06:25 +0100
Subject: [PATCH 2/3] Project Lombok Pojos

---
 .../spring6restmvc/model/Beer.java            | 23 +++++++++++++++++++
 .../spring6restmvc/model/BeerStyle.java       |  8 +++++++
 2 files changed, 31 insertions(+)
 create mode 100644 src/main/java/guru/springframework/spring6restmvc/model/Beer.java
 create mode 100644 src/main/java/guru/springframework/spring6restmvc/model/BeerStyle.java

diff --git a/src/main/java/guru/springframework/spring6restmvc/model/Beer.java b/src/main/java/guru/springframework/spring6restmvc/model/Beer.java
new file mode 100644
index 000000000..d1cc96aae
--- /dev/null
+++ b/src/main/java/guru/springframework/spring6restmvc/model/Beer.java
@@ -0,0 +1,23 @@
+package guru.springframework.spring6restmvc.model;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+/**
+ * Created by jt, Spring Framework Guru.
+ */
+@Data
+public class Beer {
+    private UUID id;
+    private Integer version;
+    private String beerName;
+    private BeerStyle beerStyle;
+    private String upc;
+    private Integer quantityOnHand;
+    private BigDecimal price;
+    private LocalDateTime createdDate;
+    private LocalDateTime updateDate;
+}
diff --git a/src/main/java/guru/springframework/spring6restmvc/model/BeerStyle.java b/src/main/java/guru/springframework/spring6restmvc/model/BeerStyle.java
new file mode 100644
index 000000000..78a1b30df
--- /dev/null
+++ b/src/main/java/guru/springframework/spring6restmvc/model/BeerStyle.java
@@ -0,0 +1,8 @@
+package guru.springframework.spring6restmvc.model;
+
+/**
+ * Created by jt, Spring Framework Guru.
+ */
+public enum BeerStyle {
+    LAGER, PILSNER, STOUT, GOSE, PORTER, ALE, WHEAT, IPA, PALE_ALE, SAISON
+}

From 71f37d86d8e37e288a1da7d011f0335bbe8936cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg-Christian=20M=C3=BCller?=
 <joerg-christian.mueller@shv-is.eu>
Date: Sun, 17 Mar 2024 13:16:04 +0100
Subject: [PATCH 3/3] Project Lombok Builder Pattern

---
 .../spring6restmvc/model/Beer.java            |  2 ++
 .../spring6restmvc/services/BeerService.java  | 13 +++++++++
 .../services/BeerServiceImpl.java             | 28 +++++++++++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 src/main/java/guru/springframework/spring6restmvc/services/BeerService.java
 create mode 100644 src/main/java/guru/springframework/spring6restmvc/services/BeerServiceImpl.java

diff --git a/src/main/java/guru/springframework/spring6restmvc/model/Beer.java b/src/main/java/guru/springframework/spring6restmvc/model/Beer.java
index d1cc96aae..1aed54c28 100644
--- a/src/main/java/guru/springframework/spring6restmvc/model/Beer.java
+++ b/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;
diff --git a/src/main/java/guru/springframework/spring6restmvc/services/BeerService.java b/src/main/java/guru/springframework/spring6restmvc/services/BeerService.java
new file mode 100644
index 000000000..70ef7fdd3
--- /dev/null
+++ b/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);
+}
diff --git a/src/main/java/guru/springframework/spring6restmvc/services/BeerServiceImpl.java b/src/main/java/guru/springframework/spring6restmvc/services/BeerServiceImpl.java
new file mode 100644
index 000000000..d094b3198
--- /dev/null
+++ b/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();
+    }
+}