[jira] [Created] (SPARK-9059) Update Direct Kafka Word count examples to show the use of HasOffsetRanges

["Tathagata Das (JIRA)" <ji...@apache.org>]

Tathagata Das created SPARK-9059:
------------------------------------

             Summary: Update Direct Kafka Word count examples to show the use of HasOffsetRanges
                 Key: SPARK-9059
                 URL: https://issues.apache.org/jira/browse/SPARK-9059
             Project: Spark
          Issue Type: Sub-task
          Components: Streaming
            Reporter: Tathagata Das


Update Scala, Java and Python examples of Direct Kafka word count to access the offset ranges using HasOffsetRanges and print it. For example in Scala,
 
{code}
var offsetRanges: Array[OffsetRange] = _
...
directKafkaDStream.foreachRDD { rdd => 
    offsetRanges = rdd.asInstanceOf[HasOffsetRanges]  
}
...
transformedDStream.foreachRDD { rdd => 

    // some operation
    println("Processed ranges: " + offsetRanges)
}

{code}

See https://spark.apache.org/docs/latest/streaming-kafka-integration.html for more info, and the master source code for more updated information on python. 



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