text: /**
   * 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.
   */
  #include "backend/optimizer/common/fusion_id_allocator.h"
  #include "backend/session/anf_runtime_algorithm.h"
  
  namespace mindspore {
  namespace opt {
  FusionIdAllocator::FusionIdAllocator() { fusion_id = 0; }
  
  FusionIdAllocator::~FusionIdAllocator() {}
  
  void FusionIdAllocator::Init() { fusion_id = 0; }
  
  int32_t FusionIdAllocator::AllocateFusionId() {
    fusion_id++;
    return fusion_id;
  }
  
  bool FusionIdAllocator::HasFusionIdAttr(const AnfNodePtr &node) {
    MS_EXCEPTION_IF_NULL(node);
    if (!node->isa<CNode>()) {
      return false;
    }
    auto cnode = node->cast<CNodePtr>();
    return AnfAlgo::HasNodeAttr(kAttrFusionId, cnode);
  }
  
  int32_t FusionIdAllocator::GetFusionId(const AnfNodePtr &node) {
    if (HasFusionIdAttr(node)) {
      return AnfAlgo::GetNodeAttr<int32_t>(node, kAttrFusionId);
    }
    return -1;
  }
  
  void FusionIdAllocator::SetFusionId(const AnfNodePtr &node, int32_t id) {
    ValuePtr fusion_id_v = MakeValue(id);
    AnfAlgo::SetNodeAttr(kAttrFusionId, fusion_id_v, node);
  }
  }  // namespace opt
  }  // namespace mindspore
  