1 /* Copyright 2021 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_COORDINATION_COORDINATION_CLIENT_H_ 17 #define TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_COORDINATION_COORDINATION_CLIENT_H_ 18 19 #include <string> 20 21 namespace tensorflow { 22 23 // Client interface for communicating with coordination service. 24 // Experimental feature, not yet implemented in open source. 25 class CoordinationClient; 26 27 // Simple wrapper class that can be used to retrieve CoordinationClients. 28 class CoordinationClientCache { 29 public: ~CoordinationClientCache()30 virtual ~CoordinationClientCache() {} 31 32 // If the `target` names a remote task, returns a pointer of the 33 // CoordinationClient object wrapping that channel to the remote task. 34 virtual CoordinationClient* GetClient(const std::string& target) = 0; 35 }; 36 37 } // namespace tensorflow 38 39 #endif // TENSORFLOW_CORE_DISTRIBUTED_RUNTIME_COORDINATION_COORDINATION_CLIENT_H_ 40