|  | /* | 
|  | * Copyright (C) 2015 The Android Open Source Project | 
|  | * | 
|  | * 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. | 
|  | */ | 
|  |  | 
|  | #ifndef METRICS_UPLOADER_SENDER_H_ | 
|  | #define METRICS_UPLOADER_SENDER_H_ | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | // Abstract class for a Sender that uploads a metrics message. | 
|  | class Sender { | 
|  | public: | 
|  | virtual ~Sender() {} | 
|  | // Sends a message |content| with its sha1 hash |hash| | 
|  | virtual bool Send(const std::string& content, const std::string& hash) = 0; | 
|  | }; | 
|  |  | 
|  | #endif  // METRICS_UPLOADER_SENDER_H_ |