1 | /* Copyright 2020 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | #ifndef TENSORFLOW_C_EAGER_ABSTRACT_FUNCTION_H_ |
16 | #define TENSORFLOW_C_EAGER_ABSTRACT_FUNCTION_H_ |
17 | |
18 | #include "tensorflow/core/framework/function.pb.h" |
19 | #include "tensorflow/core/platform/intrusive_ptr.h" |
20 | #include "tensorflow/core/platform/refcount.h" |
21 | #include "tensorflow/core/platform/status.h" |
22 | |
23 | namespace tensorflow { |
24 | |
25 | // A traced function: this hides the complexity of converting the serialized |
26 | // representation between various supported formats e.g. FunctionDef and Mlir |
27 | // function. |
28 | class AbstractFunction : public core::RefCounted { |
29 | protected: |
30 | enum AbstractFunctionKind { kGraph, kMlir }; |
31 | explicit AbstractFunction(AbstractFunctionKind kind) : kind_(kind) {} |
32 | |
33 | public: |
34 | // Returns which subclass is this instance of. |
35 | AbstractFunctionKind getKind() const { return kind_; } |
36 | |
37 | // Returns the AbstractFunction as a FunctionDef. |
38 | virtual Status GetFunctionDef(FunctionDef**) = 0; |
39 | |
40 | private: |
41 | const AbstractFunctionKind kind_; |
42 | }; |
43 | |
44 | using AbstractFunctionPtr = |
45 | tensorflow::core::IntrusivePtr<tensorflow::AbstractFunction>; |
46 | |
47 | } // namespace tensorflow |
48 | |
49 | #endif // TENSORFLOW_C_EAGER_ABSTRACT_FUNCTION_H_ |
50 | |