null_points_processor.h

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/*
 * Copyright 2016 The Cartographer Authors
 *
 * 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.
 */

#ifndef CARTOGRAPHER_IO_NULL_POINTS_PROCESSOR_H_
#define CARTOGRAPHER_IO_NULL_POINTS_PROCESSOR_H_

#include "cartographer/io/points_processor.h"

namespace cartographer {
namespace io {

// A points processor that just drops all points. The end of a pipeline usually.
class NullPointsProcessor : public PointsProcessor {
 public:
  NullPointsProcessor() {}
  ~NullPointsProcessor() override {}

  void Process(std::unique_ptr<PointsBatch> points_batch) override {}
  FlushResult Flush() override { return FlushResult::kFinished; }
};

}  // namespace io
}  // namespace cartographer

#endif  // CARTOGRAPHER_IO_NULL_POINTS_PROCESSOR_H_