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diff --git a/runtimes/neurun/src/backend/interface/IStageGenerator.h b/runtimes/neurun/src/backend/interface/IStageGenerator.h
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+++ b/runtimes/neurun/src/backend/interface/IStageGenerator.h
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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_ISTAGE_GENERATOR_H__
+#define __NEURUN_BACKEND_ISTAGE_GENERATOR_H__
+
+#include <memory>
+#include <functional>
+
+#include "exec/interface/IFunction.h"
+
+#include "backend/interface/ITensorBuilder.h"
+#include "model/operation/NodeVisitor.h"
+
+struct IExecutionBuilder
+{
+  virtual ~IExecutionBuilder() = default;
+
+  virtual void append(std::unique_ptr<::neurun::exec::IFunction> &&f) = 0;
+};
+
+using Stage = std::function<void(IExecutionBuilder &)>;
+
+namespace neurun
+{
+namespace backend
+{
+
+class IStageGenerator : model::operation::NodeVisitor
+{
+public:
+  virtual ~IStageGenerator() = default;
+
+  virtual std::shared_ptr<ITensorBuilder> tensor_builder() = 0;
+
+protected:
+#define OP(InternalName, IsNnApi, NnApiName) \
+  virtual void visit(const model::operation::InternalName &) override {}
+#include "model/operation/Op.lst"
+#undef OP
+
+protected:
+  void returnStage(const Stage &stage) { _return = stage; }
+
+public:
+  Stage generate(const model::operation::Node &node)
+  {
+    node.accept(std::move(*this));
+    return _return;
+  }
+
+private:
+  Stage _return = nullptr;
+};
+
+} // namespace backend
+} // namespace neurun
+
+#endif // __NEURUN_BACKEND_ISTAGE_GENERATOR_H__