Update from Google.

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MOE_MIGRATED_REVID=85702957

1 files changed, 62 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusValue.java
new file mode 100644
index 0000000000..21b92157ec
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusValue.java
@@ -0,0 +1,62 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.skyframe;
+
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.ArtifactOwner;
+import com.google.devtools.build.lib.analysis.WorkspaceStatusAction;
+import com.google.devtools.build.skyframe.SkyFunctionName;
+import com.google.devtools.build.skyframe.SkyKey;
+
+/**
+ * Value that stores the workspace status artifacts and their generating action. There should be
+ * only one of these values in the graph at any time.
+ */
+// TODO(bazel-team): This seems to be superfluous now, but it cannot be removed without making
+// PrecomputedValue public instead of package-private
+public class WorkspaceStatusValue extends ActionLookupValue {
+  private final Artifact stableArtifact;
+  private final Artifact volatileArtifact;
+
+  // There should only ever be one BuildInfo value in the graph.
+  public static final SkyKey SKY_KEY = new SkyKey(SkyFunctions.BUILD_INFO, "BUILD_INFO");
+  static final ArtifactOwner ARTIFACT_OWNER = new BuildInfoKey();
+
+  public WorkspaceStatusValue(Artifact stableArtifact, Artifact volatileArtifact,
+      WorkspaceStatusAction action) {
+    super(action);
+    this.stableArtifact = stableArtifact;
+    this.volatileArtifact = volatileArtifact;
+  }
+
+  public Artifact getStableArtifact() {
+    return stableArtifact;
+  }
+
+  public Artifact getVolatileArtifact() {
+    return volatileArtifact;
+  }
+
+  private static class BuildInfoKey extends ActionLookupKey {
+    @Override
+    SkyFunctionName getType() {
+      throw new UnsupportedOperationException();
+    }
+
+    @Override
+    SkyKey getSkyKey() {
+      return SKY_KEY;
+    }
+  }
+}