@@ -0,0 +1,1235 @@
+// Copyright 2015 Google Inc. All rights reserved.%0A//%0A// Licensed under the Apache License, Version 2.0 (the %22License%22);%0A// you may not use this file except in compliance with the License.%0A// You may obtain a copy of the License at%0A//%0A//    http://www.apache.org/licenses/LICENSE-2.0%0A//%0A// Unless required by applicable law or agreed to in writing, software%0A// distributed under the License is distributed on an %22AS IS%22 BASIS,%0A// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A// See the License for the specific language governing permissions and%0A// limitations under the License.%0Apackage com.google.devtools.build.skyframe;%0A%0Aimport com.google.common.collect.ImmutableList;%0Aimport com.google.common.collect.Iterables;%0A%0A/** Utility methods for querying (r)deps of nodes from %7B@link WalkableGraph%7Ds more concisely. */%0Apublic class WalkableGraphUtils %7B%0A%0A  public static Iterable%3CSkyKey%3E getDirectDeps(WalkableGraph graph, SkyKey key) %7B%0A    return Iterables.getOnlyElement(graph.getDirectDeps(ImmutableList.of(key)).values());%0A  %7D%0A%0A  public static Iterable%3CSkyKey%3E getReverseDeps(WalkableGraph graph, SkyKey key) %7B%0A    return Iterables.getOnlyElement(graph.getReverseDeps(ImmutableList.of(key)).values());%0A  %7D%0A%7D%0A

Add WalkableGraphUtils for easy (r)dep queries