Add Transactional annotation for atomic operations

bifrurcated · Jan 12, 2024 · e1f6c99 · e1f6c99
1 parent 6301596
commit e1f6c99
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/main/java/com/bifurcated/wallet/service/WalletService.java b/src/main/java/com/bifurcated/wallet/service/WalletService.java
@@ -6,6 +6,7 @@
 import com.bifurcated.wallet.errors.WalletNotFoundError;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Optional;
 import java.util.UUID;
@@ -20,12 +21,14 @@ public WalletService(WalletRepo walletRepo) {
         this.walletRepo = walletRepo;
     }
 
+    @Transactional
     public Wallet addAmount(UUID id, Float amount) {
         var wallet = walletRepo.findById(id).orElseThrow(WalletNotFoundError::new);
         wallet.setAmount(wallet.getAmount() + amount);
         return walletRepo.save(wallet);
     }
 
+    @Transactional
     public Wallet reduceAmount(UUID id, Float amount) {
         var wallet = walletRepo.findById(id).orElseThrow(WalletNotFoundError::new);
         var reduce = wallet.getAmount() - amount;