1 files changed, 51 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/FilesetEntryKey.java b/src/main/java/com/google/devtools/build/lib/skyframe/FilesetEntryKey.java
new file mode 100644
index 0000000000..47f8cbc8a5
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/FilesetEntryKey.java
@@ -0,0 +1,51 @@
+// Copyright 2017 The Bazel Authors. 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.auto.value.AutoValue;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Interner;
+import com.google.devtools.build.lib.actions.FilesetTraversalParams;
+import com.google.devtools.build.lib.concurrent.BlazeInterners;
+import com.google.devtools.build.skyframe.SkyFunctionName;
+import com.google.devtools.build.skyframe.SkyKey;
+import java.util.stream.StreamSupport;
+
+/** A {@link SkyKey} for the {@link FilesetEntryFunction} */
+@AutoValue
+public abstract class FilesetEntryKey implements SkyKey {
+  private static final Interner<FilesetEntryKey> INTERNER = BlazeInterners.newWeakInterner();
+
+  abstract FilesetTraversalParams params();
+
+  @Override
+  public Object argument() {
+    return params();
+  }
+
+  @Override
+  public SkyFunctionName functionName() {
+    return SkyFunctions.FILESET_ENTRY;
+  }
+
+  public static FilesetEntryKey key(FilesetTraversalParams param) {
+    return INTERNER.intern(new AutoValue_FilesetEntryKey(param));
+  }
+
+  public static ImmutableList<SkyKey> keys(Iterable<FilesetTraversalParams> params) {
+    return StreamSupport.stream(params.spliterator(), /*parallel=*/ false)
+        .map(FilesetEntryKey::key)
+        .collect(ImmutableList.toImmutableList());
+  }
+}