aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/main/java/com/google/devtools/build/lib/actions/ArtifactOwner.java
blob: 458fb42835ce7fd1557e268a4c160bc97032d35b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// 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.actions;

import com.google.common.annotations.VisibleForTesting;
import com.google.devtools.build.lib.syntax.Label;

/**
 * An interface for {@code LabelAndConfiguration}, or at least for a {@link Label}. Only tests and
 * internal {@link Artifact}-generators should implement this interface -- otherwise,
 * {@code LabelAndConfiguration} should be the only implementation.
 */
public interface ArtifactOwner {
  Label getLabel();

  @VisibleForTesting
  public static final ArtifactOwner NULL_OWNER = new ArtifactOwner() {
    @Override
    public Label getLabel() {
      return null;
    }

    @Override
    public String toString() {
      return "NULL_OWNER";
    }
  };
}