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Posted to commits@spark.apache.org by jo...@apache.org on 2015/12/28 23:51:28 UTC

spark git commit: [SPARK-12525] Fix fatal compiler warnings in Kinesis ASL due to @transient annotations

Repository: spark
Updated Branches:
  refs/heads/master a6d385322 -> fb572c6e4


[SPARK-12525] Fix fatal compiler warnings in Kinesis ASL due to @transient annotations

The Scala 2.11 SBT build currently fails for Spark 1.6.0 and master due to warnings about the `transient` annotation:

```
[error] [warn] /Users/joshrosen/Documents/spark/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala:73: no valid targets for annotation on value sc - it is discarded unused. You may specify targets with meta-annotations, e.g. (transient param)
[error] [warn]     transient sc: SparkContext,
```

This fix implemented here is the same as what we did in #8433: remove the `transient` annotations when they are not necessary and replace use  `transient private val` in the remaining cases.

Author: Josh Rosen <jo...@databricks.com>

Closes #10479 from JoshRosen/fix-sbt-2.11.


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/fb572c6e
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/fb572c6e
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/fb572c6e

Branch: refs/heads/master
Commit: fb572c6e4b0645c8084aa013d0c93bb21a79977b
Parents: a6d3853
Author: Josh Rosen <jo...@databricks.com>
Authored: Mon Dec 28 14:51:22 2015 -0800
Committer: Josh Rosen <jo...@databricks.com>
Committed: Mon Dec 28 14:51:22 2015 -0800

----------------------------------------------------------------------
 .../streaming/kinesis/KinesisBackedBlockRDD.scala     | 14 +++++++-------
 .../spark/streaming/kinesis/KinesisInputDStream.scala |  2 +-
 2 files changed, 8 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/fb572c6e/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
----------------------------------------------------------------------
diff --git a/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala b/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
index 691c179..3996f16 100644
--- a/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
+++ b/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisBackedBlockRDD.scala
@@ -70,26 +70,26 @@ class KinesisBackedBlockRDDPartition(
  */
 private[kinesis]
 class KinesisBackedBlockRDD[T: ClassTag](
-    @transient sc: SparkContext,
+    sc: SparkContext,
     val regionName: String,
     val endpointUrl: String,
-    @transient blockIds: Array[BlockId],
+    @transient private val _blockIds: Array[BlockId],
     @transient val arrayOfseqNumberRanges: Array[SequenceNumberRanges],
-    @transient isBlockIdValid: Array[Boolean] = Array.empty,
+    @transient private val isBlockIdValid: Array[Boolean] = Array.empty,
     val retryTimeoutMs: Int = 10000,
     val messageHandler: Record => T = KinesisUtils.defaultMessageHandler _,
     val awsCredentialsOption: Option[SerializableAWSCredentials] = None
-  ) extends BlockRDD[T](sc, blockIds) {
+  ) extends BlockRDD[T](sc, _blockIds) {
 
-  require(blockIds.length == arrayOfseqNumberRanges.length,
+  require(_blockIds.length == arrayOfseqNumberRanges.length,
     "Number of blockIds is not equal to the number of sequence number ranges")
 
   override def isValid(): Boolean = true
 
   override def getPartitions: Array[Partition] = {
-    Array.tabulate(blockIds.length) { i =>
+    Array.tabulate(_blockIds.length) { i =>
       val isValid = if (isBlockIdValid.length == 0) true else isBlockIdValid(i)
-      new KinesisBackedBlockRDDPartition(i, blockIds(i), isValid, arrayOfseqNumberRanges(i))
+      new KinesisBackedBlockRDDPartition(i, _blockIds(i), isValid, arrayOfseqNumberRanges(i))
     }
   }
 

http://git-wip-us.apache.org/repos/asf/spark/blob/fb572c6e/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisInputDStream.scala
----------------------------------------------------------------------
diff --git a/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisInputDStream.scala b/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisInputDStream.scala
index 72ab635..3321c75 100644
--- a/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisInputDStream.scala
+++ b/extras/kinesis-asl/src/main/scala/org/apache/spark/streaming/kinesis/KinesisInputDStream.scala
@@ -30,7 +30,7 @@ import org.apache.spark.streaming.scheduler.ReceivedBlockInfo
 import org.apache.spark.streaming.{Duration, StreamingContext, Time}
 
 private[kinesis] class KinesisInputDStream[T: ClassTag](
-    @transient _ssc: StreamingContext,
+    _ssc: StreamingContext,
     streamName: String,
     endpointUrl: String,
     regionName: String,


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