Convert SkyQueryEnvironment#buildTransitiveClosure to use batch operations.
--
MOS_MIGRATED_REVID=96433497
diff --git a/src/main/java/com/google/devtools/build/skyframe/WalkableGraph.java b/src/main/java/com/google/devtools/build/skyframe/WalkableGraph.java
index be68248..181b7dc 100644
--- a/src/main/java/com/google/devtools/build/skyframe/WalkableGraph.java
+++ b/src/main/java/com/google/devtools/build/skyframe/WalkableGraph.java
@@ -44,7 +44,16 @@
* Returns a map giving the values of the given keys for done keys. Keys not present in the graph
* or whose nodes are not done will not be present in the returned map.
*/
- Map<SkyKey, SkyValue> getValuesMaybe(Iterable<SkyKey> keys);
+ Map<SkyKey, SkyValue> getDoneValues(Iterable<SkyKey> keys);
+
+ /**
+ * Returns a map giving exceptions associated to the given keys for done keys. Keys not present in
+ * the graph or whose nodes are not done will be present in the returned map, with null value. In
+ * other words, if {@code key} is in {@param keys}, then the returned map will contain an entry
+ * for {@code key} if and only if the node for {@code key} did <i>not</i> evaluate successfully
+ * without error.
+ */
+ Map<SkyKey, Exception> getMissingAndExceptions(Iterable<SkyKey> keys);
/**
* Returns the exception thrown when computing the node with the given key, if any. If the node
