src/main/java/com/google/devtools/build/lib/analysis/DeniedImplicitOutputMarkerProvider.java

// 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.analysis;

import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.packages.BuiltinProvider;
import com.google.devtools.build.lib.packages.NativeInfo;

/**
 * A provider used to signal the denial of implicit outputs.
 *
 * <p>Used to facilitate migration away from using implicit outputs.
 */
@Immutable
public class DeniedImplicitOutputMarkerProvider extends NativeInfo {
  public static final BuiltinProvider<DeniedImplicitOutputMarkerProvider> PROVIDER =
      new BuiltinProvider<DeniedImplicitOutputMarkerProvider>(
          "DeniedImplicitOutputMarkerProvider", DeniedImplicitOutputMarkerProvider.class) {};

  private final String errorMessage;

  public DeniedImplicitOutputMarkerProvider(String errorMessage) {
    this.errorMessage = errorMessage;
  }

  public String getErrorMessage() {
    return errorMessage;
  }

  @Override
  public BuiltinProvider<DeniedImplicitOutputMarkerProvider> getProvider() {
    return PROVIDER;
  }
}