1 /* 2 ** Copyright 2017, The Android Open Source Project 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 ANDROID_FILE_BLOB_CACHE_H 18 #define ANDROID_FILE_BLOB_CACHE_H 19 20 #include "BlobCache.h" 21 #include <string> 22 23 namespace android { 24 25 class FileBlobCache : public BlobCache { 26 public: 27 // FileBlobCache attempts to load the saved cache contents from disk into 28 // BlobCache. 29 FileBlobCache(size_t maxKeySize, size_t maxValueSize, size_t maxTotalSize, 30 const std::string& filename); 31 32 // writeToFile attempts to save the current contents of BlobCache to 33 // disk. 34 void writeToFile(); 35 36 private: 37 // mFilename is the name of the file for storing cache contents. 38 std::string mFilename; 39 }; 40 41 } // namespace android 42 43 #endif // ANDROID_BLOB_CACHE_H 44
