1 /* Copyright 2016 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 16 #ifndef TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_RPC_GRPC_CLIENT_CQ_TAG_H_ 17 #define TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_RPC_GRPC_CLIENT_CQ_TAG_H_ 18 19 #include "grpcpp/grpcpp.h" 20 #include "tensorflow/core/distributed_runtime/rpc/grpc_util.h" 21 #include "tensorflow/core/lib/core/status.h" 22 #include "tensorflow/core/platform/macros.h" 23 24 namespace tensorflow { 25 26 // Represents a pending asynchronous client call as a tag that can be 27 // stored in a `grpc::CompletionQueue`. 28 class GrpcClientCQTag { 29 public: GrpcClientCQTag()30 GrpcClientCQTag() {} ~GrpcClientCQTag()31 virtual ~GrpcClientCQTag() {} 32 33 // OnCompleted is invoked when the RPC has finished. 34 // Implementations of OnCompleted can delete *this. 35 virtual void OnCompleted(bool ok) = 0; 36 37 private: 38 TF_DISALLOW_COPY_AND_ASSIGN(GrpcClientCQTag); 39 }; 40 41 } // namespace tensorflow 42 43 #endif // TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_RPC_GRPC_CLIENT_CQ_TAG_H_ 44