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Spark 615 map partitions with index callable from java #16

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holdenk wants to merge 25 commits into from
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Spark 615 map partitions with index callable from java #16

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215a9bf
Fix Java API for mapPartitionsWithIndex
holdenk Feb 17, 2014
e2331ed
Check all the values
holdenk Feb 17, 2014
0d624bf
Add missing class
holdenk Feb 24, 2014
4421ecc
Use fakeClassTag
holdenk Feb 27, 2014
8d849a1
Fix Java API for mapPartitionsWithIndex
holdenk Feb 17, 2014
958efa4
Check all the values
holdenk Feb 17, 2014
6ad1a3c
Add missing class
holdenk Feb 24, 2014
e64e1ad
Use fakeClassTag
holdenk Feb 27, 2014
8bfd3f3
It compiles with the Java 8 happy pandas
holdenk Mar 8, 2014
b6a613f
merge
holdenk Mar 8, 2014
36c7831
Remove old function
holdenk Mar 8, 2014
79d1bc1
Check all the values
holdenk Feb 17, 2014
ec80d7a
Add missing class
holdenk Feb 24, 2014
e4962ab
Use fakeClassTag
holdenk Feb 27, 2014
f484afc
Fix Java API for mapPartitionsWithIndex
holdenk Feb 17, 2014
4eb9c0f
Add missing class
holdenk Feb 24, 2014
96a86c7
It compiles with the Java 8 happy pandas
holdenk Mar 8, 2014
df6922a
Remove old function
holdenk Mar 8, 2014
4fa42b0
Revert "Remove old function (accidently removed a file)"
holdenk Mar 11, 2014
2aa2fc9
Make it work with the new Java API style
holdenk Mar 11, 2014
cc4050d
Add Java 8 API test
holdenk Mar 15, 2014
ee6ebea
Some CR feedback
holdenk Apr 8, 2014
780120d
Remove MappartitionsWithIndeFunction
holdenk Apr 8, 2014
a5cd2fa
Fix Java API
holdenk Apr 8, 2014
b231375
Fix the classtag bits
holdenk Apr 8, 2014
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Fix the classtag bits
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@holdenk
holdenk committed Apr 8, 2014
commit b231375c92ecad85ed084e8a5a865c8eb495a4ee
4 changes: 2 additions & 2 deletions core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala
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Expand Up @@ -72,11 +72,11 @@ trait JavaRDDLike[T, This <: JavaRDDLike[T, This]] extends Serializable {
* Return a new RDD by applying a function to each partition of this RDD, while tracking the index
* of the original partition.
*/
def mapPartitionsWithIndex[R: ClassTag](f: JFunction2[Integer, JIterator[T], JIterator[R]],
def mapPartitionsWithIndex[R](f: JFunction2[Integer, JIterator[T], JIterator[R]],
preservesPartitioning: Boolean = false): JavaRDD[R] = {
import scala.collection.JavaConverters._
def fn = (a: Int, b: Iterator[T]) => f.call(a, asJavaIterator(b)).asScala
val newRdd = rdd.mapPartitionsWithIndex(fn, preservesPartitioning)
val newRdd = rdd.mapPartitionsWithIndex(fn, preservesPartitioning)(fakeClassTag[R])
new JavaRDD(newRdd)(fakeClassTag)
}

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