From 28bc5f1538fa5d89b411560ca394732920e06227 Mon Sep 17 00:00:00 2001
From: Carmi Grushko <carmi@google.com>
Date: Thu, 19 Nov 2015 21:13:34 +0000
Subject: -- MOS_MIGRATED_REVID=108278075

---
 .../google/devtools/build/lib/rules/extra/ExtraAction.java  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/main/java/com/google/devtools/build/lib/rules/extra/ExtraAction.java')

diff --git a/src/main/java/com/google/devtools/build/lib/rules/extra/ExtraAction.java b/src/main/java/com/google/devtools/build/lib/rules/extra/ExtraAction.java
index 6bf19d3672..5e3269cab4 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/extra/ExtraAction.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/extra/ExtraAction.java
@@ -14,6 +14,7 @@
 
 package com.google.devtools.build.lib.rules.extra;
 
+import com.google.common.base.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Predicates;
 import com.google.common.collect.Collections2;
@@ -62,6 +63,18 @@ public final class ExtraAction extends SpawnAction {
   @GuardedBy("this")
   private boolean inputsKnown;
 
+  /**
+   * A long way to say (ExtraAction xa) -> xa.getShadowedAction().
+   */
+  public static final Function<ExtraAction, Action> GET_SHADOWED_ACTION =
+      new Function<ExtraAction, Action>() {
+        @Nullable
+        @Override
+        public Action apply(@Nullable ExtraAction extraAction) {
+          return extraAction != null ? extraAction.getShadowedAction() : null;
+        }
+      };
+
   public ExtraAction(
       ImmutableSet<Artifact> extraActionInputs,
       Map<PathFragment, Artifact> runfilesManifests,
-- 
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