1 /* Copyright 2018 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_CORE_KERNELS_RESOURCE_VARIABLE_OPS_H_
16 #define TENSORFLOW_CORE_KERNELS_RESOURCE_VARIABLE_OPS_H_
17 
18 #include "tensorflow/core/framework/op_kernel.h"
19 
20 namespace tensorflow {
21 
22 class ReadVariableOp : public OpKernel {
23  public:
24   explicit ReadVariableOp(OpKernelConstruction* c);
25   void Compute(OpKernelContext* ctx) override;
26 
27  private:
28   DataType dtype_;
29 };
30 
31 class ReadVariablesOp : public OpKernel {
32  public:
33   explicit ReadVariablesOp(OpKernelConstruction* c);
34   void Compute(OpKernelContext* ctx) override;
IsExpensive()35   bool IsExpensive() override { return false; }
36 
37  private:
38   DataTypeVector dtypes_;
39 };
40 
41 class DestroyResourceOp : public OpKernel {
42  public:
43   explicit DestroyResourceOp(OpKernelConstruction* ctx);
44   void Compute(OpKernelContext* ctx) override;
45 
46  private:
47   bool ignore_lookup_error_;
48 };
49 
50 }  // namespace tensorflow
51 
52 #endif  // TENSORFLOW_CORE_KERNELS_RESOURCE_VARIABLE_OPS_H_
53