Github user huafengw commented on a diff in the pull request:
https://github.com/apache/incubator-gearpump/pull/25#discussion_r64865492
--- Diff:
examples/streaming/kafka/src/main/scala/org/apache/gearpump/streaming/examples/kafka/KafkaReadWrite.scala
---
@@ -60,14 +64,19 @@ object KafkaReadWrite extends AkkaApp with
ArgumentsParser {
val sinkTopic = config.getString("sinkTopic")
val appConfig = UserConfig.empty
- val offsetStorageFactory = new KafkaStorageFactory(zookeeperConnect,
brokerList)
- val source = new KafkaSource(sourceTopic, zookeeperConnect,
offsetStorageFactory)
+ val props = new Properties
+ props.put(KafkaConfig.ZOOKEEPER_CONNECT_CONFIG, zookeeperConnect)
+ props.put(KafkaConfig.BOOTSTRAP_SERVERS_CONFIG, brokerList)
+ props.put(KafkaConfig.CHECKPOINT_STORE_NAME_PREFIX_CONFIG, appName)
+ val source = new KafkaSource(sourceTopic, props)
+ val checkpointStoreFactory = new KafkaStoreFactory(props)
+ source.checkpoint(checkpointStoreFactory)
--- End diff --
What if user doesn't call ```checkpoint```?
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