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


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// 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.analysis;

import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;

/**
 * A provider class that supplies an aggregating middleman to the targets that depend on it.
 */
@Immutable
public final class MiddlemanProvider implements TransitiveInfoProvider {

  private final NestedSet<Artifact> middlemanArtifact;

  public MiddlemanProvider(NestedSet<Artifact> middlemanArtifact) {
    this.middlemanArtifact = middlemanArtifact;
  }

  /**
   * Returns the middleman for the files produced by the transitive info collection.
   */
  public NestedSet<Artifact> getMiddlemanArtifact() {
    return middlemanArtifact;
  }
}