public IDStreamProxy DirectKafkaStream(List <string> topics, Dictionary <string, string> kafkaParams, Dictionary <string, long> fromOffsets)
{
JvmObjectReference jtopics = JvmBridgeUtils.GetJavaSet <string>(topics);
JvmObjectReference jkafkaParams = JvmBridgeUtils.GetJavaMap <string, string>(kafkaParams);
var jTopicAndPartitions = fromOffsets.Select(x =>
new KeyValuePair <JvmObjectReference, long>
(
SparkCLRIpcProxy.JvmBridge.CallConstructor("kafka.common.TopicAndPartition", new object[] { x.Key.Split(':')[0], int.Parse(x.Key.Split(':')[1]) }),
x.Value
)
);
JvmObjectReference jfromOffsets = JvmBridgeUtils.GetJavaMap <JvmObjectReference, long>(jTopicAndPartitions);
// KafkaUtilsPythonHelper: external/kafka/src/main/scala/org/apache/spark/streaming/kafka/KafkaUtils.scala
JvmObjectReference jhelper = SparkCLRIpcProxy.JvmBridge.CallConstructor("org.apache.spark.streaming.kafka.KafkaUtilsPythonHelper", new object[] { });
var jstream = new JvmObjectReference(SparkCLRIpcProxy.JvmBridge.CallNonStaticJavaMethod(jhelper, "createDirectStreamWithoutMessageHandler", new object[] { jvmJavaStreamingReference, jkafkaParams, jtopics, jfromOffsets }).ToString());
return(new DStreamIpcProxy(jstream));
}
public IDStreamProxy DirectKafkaStreamWithRepartition(List <string> topics, IEnumerable <Tuple <string, string> > kafkaParams, IEnumerable <Tuple <string, long> > fromOffsets, int numPartitions, byte[] readFunc, string serializationMode)
{
JvmObjectReference jtopics = JvmBridgeUtils.GetJavaSet <string>(topics);
JvmObjectReference jkafkaParams = JvmBridgeUtils.GetJavaMap <string, string>(kafkaParams);
var jTopicAndPartitions = fromOffsets.Select(x =>
new Tuple <JvmObjectReference, long>
(
SparkCLRIpcProxy.JvmBridge.CallConstructor("kafka.common.TopicAndPartition", new object[] { x.Item1.Split(':')[0], int.Parse(x.Item1.Split(':')[1]) }),
x.Item2
)
);
JvmObjectReference jfromOffsets = JvmBridgeUtils.GetJavaMap <JvmObjectReference, long>(jTopicAndPartitions);
// SparkCLR\scala\src\main\org\apache\spark\streaming\api\kafka\KafkaUtilsCSharpHelper.scala
JvmObjectReference jhelper = SparkCLRIpcProxy.JvmBridge.CallConstructor("org.apache.spark.streaming.kafka.KafkaUtilsCSharpHelper", new object[] { });
var jstream = new JvmObjectReference(SparkCLRIpcProxy.JvmBridge.CallNonStaticJavaMethod(jhelper, "createDirectStreamWithoutMessageHandler",
new object[] { jvmJavaStreamingReference, jkafkaParams, jtopics, jfromOffsets, (int)numPartitions, readFunc, serializationMode }).ToString());
return(new DStreamIpcProxy(jstream));
}