|  | // Copyright 2014 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.common.collect.ImmutableList; | 
|  | import com.google.devtools.build.lib.cmdline.Label; | 
|  |  | 
|  | import java.io.Serializable; | 
|  |  | 
|  | /** | 
|  | * A simple value class to store the direct Skylark file dependencies of a Skylark | 
|  | * extension file. It also contains a Label identifying the extension file. | 
|  | */ | 
|  | class SkylarkFileDependency implements Serializable { | 
|  |  | 
|  | private final Label label; | 
|  | private final ImmutableList<SkylarkFileDependency> dependencies; | 
|  |  | 
|  | SkylarkFileDependency(Label label, ImmutableList<SkylarkFileDependency> dependencies) { | 
|  | this.label = label; | 
|  | this.dependencies = dependencies; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Returns the list of direct Skylark file dependencies of the Skylark extension file | 
|  | * corresponding to this object. | 
|  | */ | 
|  | ImmutableList<SkylarkFileDependency> getDependencies() { | 
|  | return dependencies; | 
|  | } | 
|  |  | 
|  | /** | 
|  | * Returns the Label of the Skylark extension file corresponding to this object. | 
|  | */ | 
|  | Label getLabel() { | 
|  | return label; | 
|  | } | 
|  | } |