/**
 * Copyright 2020 Huawei Technologies Co., Ltd
 *
 * 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 GE_GRAPH_LABEL_ALLOCATOR_H_
#define GE_GRAPH_LABEL_ALLOCATOR_H_

#include <set>

#include "graph/node.h"
#include "external/ge/ge_api_error_codes.h"

namespace ge {
class LabelAllocator {
 public:
  explicit LabelAllocator(const ComputeGraphPtr &graph);
  ~LabelAllocator() = default;

  Status AssignFunctionalLabels();

 private:
  bool CollectFunctionalNode(ComputeGraphPtr &graph, std::set<NodePtr> &functional_nodes);

  ComputeGraphPtr compute_graph_;
};
}  // namespace ge
#endif  // GE_GRAPH_LABEL_ALLOCATOR_H_