Feat: TransactionEventHandler 클래스 추가 (#231)

src/main/java/com/dnd/runus/application/config/TransactionEventHandler.java

@@ -0,0 +1,57 @@
+package com.dnd.runus.application.config;
+
+import com.dnd.runus.global.event.AfterTransactionEvent;
+import com.dnd.runus.global.event.BeforeTransactionEvent;
+import org.springframework.core.annotation.Order;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.event.TransactionalEventListener;
+
+import static org.springframework.transaction.event.TransactionPhase.*;
+
+@Component
+public class TransactionEventHandler {
+
+    private static final int AFTER_COMMIT_ORDER = 1;
+    private static final int AFTER_ROLLBACK_ORDER = AFTER_COMMIT_ORDER + 1;
+    private static final int AFTER_COMPLETION_ORDER = AFTER_COMMIT_ORDER + 2;
+
+    /**
+     * 트랜잭션이 commit되기 전에 실행
+     */
+    @Async
+    @TransactionalEventListener(phase = BEFORE_COMMIT)
+    public void processBeforeCommit(BeforeTransactionEvent event) {
+        event.invoke();
+    }
+
+    /**
+     * 트랜잭션이 commit된 후에 실행
+     */
+    @Async
+    @Order(AFTER_COMMIT_ORDER)
+    @TransactionalEventListener(phase = AFTER_COMMIT)
+    public void processAfterCommit(AfterTransactionEvent event) {
+        event.invoke();
+    }
+
+    /**
+     * 트랜잭션이 rollback된 후에 실행
+     */
+    @Async
+    @Order(AFTER_ROLLBACK_ORDER)
+    @TransactionalEventListener(phase = AFTER_ROLLBACK)
+    public void processAfterRollback(AfterTransactionEvent event) {
+        event.onTransactionRollback();
+    }
+
+    /**
+     * 트랜잭션이 commit 또는 rollback된 후에 실행
+     */
+    @Async
+    @Order(AFTER_COMPLETION_ORDER)
+    @TransactionalEventListener(phase = AFTER_COMPLETION)
+    public void processAfterCompletion(AfterTransactionEvent event) {
+        event.onComplete();
+    }
+}

src/main/java/com/dnd/runus/global/event/AfterTransactionEvent.java

@@ -0,0 +1,7 @@
+package com.dnd.runus.global.event;
+
+public interface AfterTransactionEvent extends TransactionEvent {
+    default void onTransactionRollback() {}
+
+    default void onComplete() {}
+}

src/main/java/com/dnd/runus/global/event/BeforeTransactionEvent.java

@@ -0,0 +1,3 @@
+package com.dnd.runus.global.event;
+
+public interface BeforeTransactionEvent extends TransactionEvent {}

src/main/java/com/dnd/runus/global/event/TransactionEvent.java

@@ -0,0 +1,5 @@
+package com.dnd.runus.global.event;
+
+interface TransactionEvent {
+    void invoke();
+}