Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/648#discussion_r12302370
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockId.scala ---
@@ -19,14 +19,18 @@ package org.apache.spark.storage
import java.util.UUID
+import org.apache.spark.annotation.DeveloperApi
+
/**
+ * :: DeveloperApi ::
* Identifies a particular Block of data, usually associated with a single
file.
* A Block can be uniquely identified by its filename, but each type of
Block has a different
* set of keys which produce its unique name.
*
* If your BlockId should be serializable, be sure to add it to the
BlockId.apply() method.
*/
-private[spark] sealed abstract class BlockId {
+@DeveloperApi
+sealed abstract class BlockId {
--- End diff --
It would be a fairly big change, since we technically don't need the
BlockId classes anymore, as the strings are supposedly globally unique. I'm
inclined to just leave it.
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