--- /dev/null
+/*
+ * 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.
+ */
+
+/**
+ * @file IExecutor.h
+ * @brief This file defines interface of Executor
+ */
+#ifndef __NEURUN_EXEC_I_EXECUTOR_H_
+#define __NEURUN_EXEC_I_EXECUTOR_H_
+
+#include "compiler/Plan.h"
+
+namespace neurun
+{
+namespace exec
+{
+
+/**
+ * @brief Struct to define interface of Executor
+ */
+struct IExecutor
+{
+ /**
+ * @brief Construct a new IExecutor object
+ */
+ IExecutor() = default;
+ /**
+ * @brief Destroy the IExecutor object
+ */
+ virtual ~IExecutor() = default;
+
+ /**
+ * @brief Return plan
+ * @return Plan
+ */
+ virtual const neurun::compiler::Plan &plan(void) const = 0;
+ /**
+ * @brief Set input data's information
+ * @param[in] index Input index
+ * @param[in] type Input data's type info
+ * @param[in] shape Input data's shape
+ * @param[in] buffer Input data's buffer pointer
+ * @param[in] length Input data's length
+ */
+ virtual void setInput(const model::operand::IO::Index &index,
+ const model::operand::TypeInfo &type, const model::operand::Shape &shape,
+ const void *buffer, size_t length) = 0;
+ /**
+ * @brief Set output data's information
+ * @param[in] index Output index
+ * @param[in] type Output data's type info
+ * @param[in] shape Output data's shape
+ * @param[in] buffer Output data's buffer pointer
+ * @param[in] length Output data's length
+ */
+ virtual void setOutput(const model::operand::IO::Index &index,
+ const model::operand::TypeInfo &type, const model::operand::Shape &shape,
+ void *buffer, size_t length) = 0;
+ /**
+ * @brief Start execution
+ * @note It should be called after setting input and output buffer
+ */
+ virtual void execute(void) = 0;
+};
+
+} // namespace exec
+} // namespace neurun
+
+#endif // __NEURUN_EXEC_I_EXECUTOR_H_