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/*
 * Copyright (c) 2019 Samsung Electronics Co., Ltd. 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.
 */

#include "model/Subgraphs.h"
#include "util/logging.h"
#include "cpp14/memory.h"

#include <cassert>
#include <string>

namespace neurun
{
namespace model
{

SubgraphIndex Subgraphs::emplace(const OperationIndex &index, const Operation &node, Layout layout)
{
  std::unique_ptr<Subgraph> subg = nnfw::cpp14::make_unique<model::Subgraph>(layout);
  subg->appendOperation(index, node);
  return push(std::move(subg));
}

SubgraphIndex Subgraphs::emplace(std::unique_ptr<Subgraph> &&subg) { return push(std::move(subg)); }

bool Subgraphs::containsOperation(const OperationIndex &operation_index) const
{
  return findOperation(operation_index).valid();
}

SubgraphIndex Subgraphs::getOperation(const OperationIndex &operation_index) const
{
  SubgraphIndex ret = findOperation(operation_index);
  assert(ret.valid());
  return ret;
}

// TODO: Extract this into external helper function
void Subgraphs::dump(const std::string &msg) const
{
  VERBOSE(Subgraphs) << "Subgraphs(" << msg << ")" << std::endl;
  iterate([&](const SubgraphIndex &idx, const model::Subgraph &subg) {
    VERBOSE(Subgraphs) << idx.value() << "] " << subg.getStr() << std::endl;
  });
}

SubgraphIndex Subgraphs::findOperation(const OperationIndex &operation_index) const
{
  SubgraphIndex ret;
  iterate([&](const SubgraphIndex &index, const Subgraph &object) {
    for (const auto &elem : object.operations())
    {
      if (elem.index == operation_index)
        ret = index;
    }
  });
  return ret;
}

} // namespace model
} // namespace neurun