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+/*
+ * Copyright (c) 2018 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.
+ */
+
+#ifndef __NEURUN_BACKEND_ITENSOR_BUILDER_H__
+#define __NEURUN_BACKEND_ITENSOR_BUILDER_H__
+
+#include <map>
+
+#include "model/operand/Index.h"
+#include "operand/IObject.h"
+#include "compiler/SubTensorInfo.h"
+#include "compiler/TensorInfo.h"
+#include "backend/interface/operand/ITensor.h"
+
+namespace neurun
+{
+namespace backend
+{
+
+struct ITensorBuilder
+{
+ using IterateFunction = std::function<void(const model::operand::Index &)>;
+
+ virtual ~ITensorBuilder(void) = default;
+
+ // TODO Merge registerTensorInfo and registerSubTensorInfo using abstraction by internal class
+ /**
+ * @brief Register tensor information to allocate on backend
+ */
+ virtual void registerTensorInfo(const model::operand::Index &, const compiler::TensorInfo &) = 0;
+ /**
+ * @brief Register subtensor information to allocate on backend
+ */
+ virtual void registerSubTensorInfo(const model::operand::Index &,
+ const compiler::SubTensorInfo &) = 0;
+
+ virtual void notifyFirstUse(const model::operand::Index &) = 0;
+ virtual void notifyLastUse(const model::operand::Index &) = 0;
+
+ virtual void prepare(void) = 0;
+ virtual void allocate(void) = 0;
+
+ virtual std::shared_ptr<::neurun::backend::operand::ITensor>
+ tensorAt(const model::operand::Index &ind) = 0;
+ virtual std::shared_ptr<backend::operand::IObject>
+ wrapTensor(const model::operand::Index &ind) = 0;
+ virtual void iterate(const IterateFunction &fn) = 0;
+};
+
+} // namespace backend
+} // namespace neurun
+
+#include <set>
+#include <memory>
+
+namespace neurun
+{
+namespace backend
+{
+
+using TensorBuilderSet = std::set<std::shared_ptr<backend::ITensorBuilder>>;
+
+} // namespace backend
+} // namespace neurun
+
+#endif // __NEURUN_BACKEND_ITENSOR_BUILDER_H__