// Copyright 2016 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.skyframe;

/**
 * Detects cycles after a {@link ParallelEvaluator} evaluation that did not complete due to cycles.
 *
 * <p>Public only for the benefit of alternative graph implementations outside the skyframe package.
 */
public interface CycleDetector {
  void checkForCycles(
      Iterable<SkyKey> badRoots,
      EvaluationResult.Builder<?> result,
      ParallelEvaluatorContext evaluatorContext)
      throws InterruptedException;
}