diff options
Diffstat (limited to 'src/main/scala/xyz/driver/core/messaging/AliyunBus.scala')
-rw-r--r-- | src/main/scala/xyz/driver/core/messaging/AliyunBus.scala | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/main/scala/xyz/driver/core/messaging/AliyunBus.scala b/src/main/scala/xyz/driver/core/messaging/AliyunBus.scala index c23ea0f..8b7bca7 100644 --- a/src/main/scala/xyz/driver/core/messaging/AliyunBus.scala +++ b/src/main/scala/xyz/driver/core/messaging/AliyunBus.scala @@ -136,18 +136,22 @@ class AliyunBus( def createSubscription(topic: Topic[_], config: SubscriptionConfig): Future[Unit] = Future { val subscriptionName = rawSubscriptionName(config, topic) - val topicName = rawTopicName(topic) - val topicRef = client.getTopicRef(topicName) - - val queueMeta = new QueueMeta - queueMeta.setQueueName(subscriptionName) - queueMeta.setVisibilityTimeout(config.ackTimeout.toSeconds) - client.createQueue(queueMeta) - - val subscriptionMeta = new SubscriptionMeta - subscriptionMeta.setSubscriptionName(subscriptionName) - subscriptionMeta.setTopicName(topicName) - subscriptionMeta.setEndpoint(topicRef.generateQueueEndpoint(subscriptionName)) - topicRef.subscribe(subscriptionMeta) + val queueExists = Option(client.listQueue(subscriptionName, "", 1)).exists(!_.getResult.isEmpty) + + if (!queueExists) { + val topicName = rawTopicName(topic) + val topicRef = client.getTopicRef(topicName) + + val queueMeta = new QueueMeta + queueMeta.setQueueName(subscriptionName) + queueMeta.setVisibilityTimeout(config.ackTimeout.toSeconds) + client.createQueue(queueMeta) + + val subscriptionMeta = new SubscriptionMeta + subscriptionMeta.setSubscriptionName(subscriptionName) + subscriptionMeta.setTopicName(topicName) + subscriptionMeta.setEndpoint(topicRef.generateQueueEndpoint(subscriptionName)) + topicRef.subscribe(subscriptionMeta) + } } } |