From 47af7c1ebfdbd7637f626ab07bf2bda6534f37ea Mon Sep 17 00:00:00 2001
From: cody koeninger <cody@koeninger.org>
Date: Fri, 19 Jun 2015 14:51:19 +0200
Subject: [PATCH] =?UTF-8?q?[SPARK-8389]=20[STREAMING]=20[KAFKA]=20Example?=
=?UTF-8?q?=20of=20getting=20offset=20ranges=20out=20o=E2=80=A6?=
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…f the existing java direct stream api
Author: cody koeninger <cody@koeninger.org>
Closes #6846 from koeninger/SPARK-8389 and squashes the following commits:
3f3c57a [cody koeninger] [Streaming][Kafka][SPARK-8389] Example of getting offset ranges out of the existing java direct stream api
---
.../kafka/JavaDirectKafkaStreamSuite.java | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java
index c0669fb336..3913b711ba 100644
--- a/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java
+++ b/external/kafka/src/test/java/org/apache/spark/streaming/kafka/JavaDirectKafkaStreamSuite.java
@@ -32,6 +32,7 @@ import org.junit.Test;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaPairRDD;
import org.apache.spark.api.java.function.Function;
import org.apache.spark.streaming.Durations;
import org.apache.spark.streaming.api.java.JavaDStream;
@@ -65,8 +66,8 @@ public class JavaDirectKafkaStreamSuite implements Serializable {
@Test
public void testKafkaStream() throws InterruptedException {
- String topic1 = "topic1";
- String topic2 = "topic2";
+ final String topic1 = "topic1";
+ final String topic2 = "topic2";
String[] topic1data = createTopicAndSendData(topic1);
String[] topic2data = createTopicAndSendData(topic2);
@@ -87,6 +88,16 @@ public class JavaDirectKafkaStreamSuite implements Serializable {
StringDecoder.class,
kafkaParams,
topicToSet(topic1)
+ ).transformToPair(
+ // Make sure you can get offset ranges from the rdd
+ new Function<JavaPairRDD<String, String>, JavaPairRDD<String, String>>() {
+ @Override
+ public JavaPairRDD<String, String> call(JavaPairRDD<String, String> rdd) throws Exception {
+ OffsetRange[] offsets = ((HasOffsetRanges)rdd.rdd()).offsetRanges();
+ Assert.assertEquals(offsets[0].topic(), topic1);
+ return rdd;
+ }
+ }
).map(
new Function<Tuple2<String, String>, String>() {
@Override
--
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