1 /* 2 * Copyright 2014 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef FRUIT_KEY_VALUE_STORAGE_H 18 #define FRUIT_KEY_VALUE_STORAGE_H 19 20 #include <string> 21 #include <fruit/fruit.h> 22 23 class KeyValueStorage { 24 public: 25 // Stores a value associated with the given key. 26 virtual void put(std::string key, std::string value) = 0; 27 28 // Returns the value previously associated with the given key, or an empty string otherwise. 29 virtual std::string get(std::string key) = 0; 30 }; 31 32 fruit::Component<KeyValueStorage> getKeyValueStorageComponent(); 33 34 #endif // FRUIT_KEY_VALUE_STORAGE_H 35