1 files changed, 99 insertions, 0 deletions
diff --git a/runtimes/libs/tflite/include/tflite/InterpreterSession.h b/runtimes/libs/tflite/include/tflite/InterpreterSession.h
new file mode 100644
index 000000000..deaf05a7f
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+++ b/runtimes/libs/tflite/include/tflite/InterpreterSession.h
@@ -0,0 +1,99 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file     InterpreterSession.h
+ * @brief    This file contains InterpreterSession class
+ * @ingroup  COM_AI_RUNTIME
+ */
+
+#ifndef __NNFW_TFLITE_INTERPRETER_SESSION_H__
+#define __NNFW_TFLITE_INTERPRETER_SESSION_H__
+
+#include "Session.h"
+
+namespace nnfw
+{
+namespace tflite
+{
+
+/**
+ * @brief Class to define TfLite interpreter session which is inherited from Session class
+ */
+class InterpreterSession final : public Session
+{
+public:
+  /**
+   * @brief Construct a InterpreterSession object with interpreter of TfLite
+   * @param[in] interp The TfLite interpreter pointer
+   */
+  InterpreterSession(::tflite::Interpreter *interp) : _interp{interp}
+  {
+    // DO NOTHING
+  }
+
+public:
+  /**
+   * @brief Get TfLite interpreter pointer
+   * @return The TfLite interpreter
+   */
+  ::tflite::Interpreter *interp(void) override { return _interp; }
+
+public:
+  /**
+   * @brief Prepare the TfLite interpreter session
+   * @return @c true if tensor preparation is successful, otherwise @c false
+   */
+  bool prepare(void) override
+  {
+    _interp->UseNNAPI(false);
+
+    if (kTfLiteOk != _interp->AllocateTensors())
+    {
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * @brief Run the Invoke function of TfLite interpreter
+   * @return @c true if Invoke() is successful, otherwise @c false
+   */
+  bool run(void) override
+  {
+    // Return true if Invoke returns kTfLiteOk
+    return kTfLiteOk == _interp->Invoke();
+  }
+
+  /**
+   * @brief Tear down TfLite interpreter session
+   * @return @c true always
+   */
+  bool teardown(void) override
+  {
+    // Do NOTHING currently
+    return true;
+  }
+
+private:
+  ::tflite::Interpreter *const _interp;
+};
+
+} // namespace tflite
+} // namespace nnfw
+
+#endif // __NNFW_TFLITE_INTERPRETER_SESSION_H__