/**
 * 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 MINDSPORE_CCSRC_BACKEND_OPTIMIZER_COMMON_FUSION_ID_ALLOCATOR_H_
#define MINDSPORE_CCSRC_BACKEND_OPTIMIZER_COMMON_FUSION_ID_ALLOCATOR_H_

#include <memory>
#include "base/base.h"

namespace mindspore {
namespace opt {
class FusionIdAllocator {
 public:
  FusionIdAllocator();
  virtual ~FusionIdAllocator();
  FusionIdAllocator(const FusionIdAllocator &in) = delete;
  FusionIdAllocator &operator=(const FusionIdAllocator &in) = delete;

  void Init();
  int32_t AllocateFusionId();
  bool HasFusionIdAttr(const AnfNodePtr &node);
  int32_t GetFusionId(const AnfNodePtr &node);
  void SetFusionId(const AnfNodePtr &node, int32_t id);

 private:
  int32_t fusion_id;
};
using FusionIdAllocatorPtr = std::shared_ptr<FusionIdAllocator>;
}  // namespace opt
}  // namespace mindspore

#endif  // MINDSPORE_CCSRC_BACKEND_OPTIMIZER_COMMON_FUSION_ID_ALLOCATOR_H_
