Review a number of action subclasses and update them according to the spec.

Consists of adding @Immutable annotations, adding final modifiers, and changing
the types of fields to immutable types.

--
MOS_MIGRATED_REVID=120221067

1 files changed, 2 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/WriteBuildInfoHeaderAction.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/WriteBuildInfoHeaderAction.java
index b0151eb8b4..1edef180e3 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/WriteBuildInfoHeaderAction.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/WriteBuildInfoHeaderAction.java
@@ -23,6 +23,7 @@ import com.google.devtools.build.lib.actions.ActionOwner;
 import com.google.devtools.build.lib.actions.Artifact;
 import com.google.devtools.build.lib.analysis.WorkspaceStatusAction;
 import com.google.devtools.build.lib.analysis.actions.AbstractFileWriteAction;
+import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
 import com.google.devtools.build.lib.util.Fingerprint;
 import com.google.devtools.build.lib.util.Preconditions;
 
@@ -38,6 +39,7 @@ import java.util.Map;
  * An action that creates a C++ header containing the build information in the
  * form of #define directives.
  */
+@Immutable
 public final class WriteBuildInfoHeaderAction extends AbstractFileWriteAction {
   private static final String GUID = "b0798174-1352-4a54-854a-9785aaea491b";