Update from Google.

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MOE_MIGRATED_REVID=85702957

1 files changed, 34 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/bazel/BazelDiffAwarenessModule.java b/src/main/java/com/google/devtools/build/lib/bazel/BazelDiffAwarenessModule.java
new file mode 100644
index 0000000000..1dad1f5d0c
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/bazel/BazelDiffAwarenessModule.java
@@ -0,0 +1,34 @@
+// 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.bazel;
+
+import com.google.common.collect.ImmutableList;
+import com.google.devtools.build.lib.runtime.BlazeModule;
+import com.google.devtools.build.lib.skyframe.DiffAwareness;
+import com.google.devtools.build.lib.skyframe.LocalDiffAwareness;
+
+/**
+ * Provides the {@link DiffAwareness} implementation that uses the Java watch service.
+ */
+public class BazelDiffAwarenessModule extends BlazeModule {
+
+  @Override
+  public Iterable<DiffAwareness.Factory> getDiffAwarenessFactories(boolean watchFS) {
+    ImmutableList.Builder<DiffAwareness.Factory> builder = ImmutableList.builder();
+    if (watchFS) {
+      builder.add(new LocalDiffAwareness.Factory());
+    }
+    return builder.build();
+  }
+}