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event-bridge-service/src/main/java/com/baiyue/eventbridge/service/OverseasEventDispatcher.java

@@ -20,6 +20,7 @@ public class OverseasEventDispatcher {
     @Resource private BridgeInboxMapper inboxMapper;
     @Resource private BridgeDeliveryAttemptMapper attemptMapper;
     @Resource private LastlegEventClient eventClient;
+    @Resource private FirstlegEventClient firstlegEventClient;
     @Resource private EventDispatcherProperties properties;
     private final String leaseOwner = ManagementFactory.getRuntimeMXBean().getName() + ":" + UUID.randomUUID();
 
@@ -40,7 +41,7 @@ public class OverseasEventDispatcher {
         int deliveryAttemptNo = inboxMapper.nextAttemptNo(eventId);
         BridgeDeliveryAttempt attempt = startAttempt(event, deliveryAttemptNo);
         try {
-            String responseCode = eventClient.deliver(event);
+            String responseCode = deliver(event);
             if (inboxMapper.markProcessed(eventId, leaseOwner) != 1) {
                 throw new IllegalStateException("事件租约已失效，无法确认投递结果");
             }
@@ -49,11 +50,16 @@ public class OverseasEventDispatcher {
             String error = abbreviate(exception.getMessage(), 1000);
             inboxMapper.markFailed(eventId, leaseOwner, properties.maxAttempts(), backoffSeconds(retryAttempt), error);
             finishAttempt(attempt, retryAttempt >= properties.maxAttempts() ? "DEAD" : "RETRY", null, error);
-            log.warn("尾程事件投递失败 eventId={}, retryAttempt={}, deliveryAttempt={}, reason={}",
+            log.warn("跨区事件投递失败 eventId={}, retryAttempt={}, deliveryAttempt={}, reason={}",
                     eventId, retryAttempt, deliveryAttemptNo, error);
         }
     }
 
+    private String deliver(BridgeInbox event) throws Exception {
+        return "CN".equals(event.getTargetRegion())
+            ? firstlegEventClient.deliver(event) : eventClient.deliver(event);
+    }
+
     private BridgeDeliveryAttempt startAttempt(BridgeInbox event, int attemptNo) {
         BridgeDeliveryAttempt attempt = new BridgeDeliveryAttempt();
         attempt.setEventId(event.getEventId());