#294 - adds version to prevent extra select call

rajadilipkolli · Mar 23, 2024 · acf5074 · acf5074
1 parent c68e54c
commit acf5074
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Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/inventory-service/src/main/java/com/example/inventoryservice/entities/Inventory.java b/inventory-service/src/main/java/com/example/inventoryservice/entities/Inventory.java
@@ -1,6 +1,6 @@
 /***
 <p>
-    Licensed under MIT License Copyright (c) 2021-2022 Raja Kolli.
+    Licensed under MIT License Copyright (c) 2021-2024 Raja Kolli.
 </p>
 ***/
 
@@ -12,6 +12,7 @@ Licensed under MIT License Copyright (c) 2021-2022 Raja Kolli.
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.Table;
+import jakarta.persistence.Version;
 
 @Entity
 @Table(name = "inventory")
@@ -30,6 +31,8 @@ public class Inventory {
     @Column(name = "reserved_items")
     private Integer reservedItems = 0;
 
+    @Version private Short version;
+
     public Long getId() {
         return id;
     }
@@ -65,4 +68,13 @@ public Inventory setReservedItems(Integer reservedItems) {
     public Integer getReservedItems() {
         return reservedItems;
     }
+
+    public Short getVersion() {
+        return version;
+    }
+
+    public Inventory setVersion(Short version) {
+        this.version = version;
+        return this;
+    }
 }
diff --git a/inventory-service/src/main/resources/db/changelog/migration/01-create_inventories_table.json b/inventory-service/src/main/resources/db/changelog/migration/01-create_inventories_table.json
@@ -77,6 +77,12 @@
                     "type": "INTEGER",
                     "defaultValue": "0"
                   }
+                },
+                {
+                  "column": {
+                    "name": "version",
+                    "type": "smallint"
+                  }
                 }
               ]
             }