Parallel collection library renamings. No review

1 files changed, 43 insertions, 0 deletions

diff --git a/src/library/scala/collection/generic/ParFactory.scala b/src/library/scala/collection/generic/ParFactory.scala
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+++ b/src/library/scala/collection/generic/ParFactory.scala
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+package scala.collection.generic
+
+
+import scala.collection.parallel.ParIterable
+import scala.collection.parallel.Combiner
+
+
+
+/** A template class for companion objects of `ParIterable` and subclasses thereof.
+ *  This class extends `TraversableFactory` and provides a set of operations to create `$Coll` objects.
+ *
+ *  @define $coll parallel collection
+ *  @define $Coll ParIterable
+ */
+abstract class ParFactory[CC[X] <: ParIterable[X] with GenericParTemplate[X, CC]]
+extends TraversableFactory[CC]
+   with GenericParCompanion[CC] {
+
+  type EPC[T, C] = collection.parallel.EnvironmentPassingCombiner[T, C]
+
+  /**
+   * A generic implementation of the `CanCombineFrom` trait, which forwards all calls to
+   * `apply(from)` to the `genericParBuilder` method of the $coll `from`, and calls to `apply()`
+   * to this factory.
+   */
+  class GenericCanCombineFrom[A] extends GenericCanBuildFrom[A] with CanCombineFrom[CC[_], A, CC[A]] {
+    override def apply(from: Coll) = from.genericCombiner
+    override def apply() = newBuilder[A]
+  }
+}
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