1 /* 2 * Copyright (C) 2024 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 SRC_TRACE_PROCESSOR_DB_COLUMN_STORAGE_LAYER_H_ 18 #define SRC_TRACE_PROCESSOR_DB_COLUMN_STORAGE_LAYER_H_ 19 20 #include <cstdint> 21 #include <variant> 22 23 #include "src/trace_processor/containers/string_pool.h" 24 #include "src/trace_processor/db/column/data_layer.h" 25 26 namespace perfetto::trace_processor::column { 27 28 class StorageLayer : public DataLayer { 29 public: 30 struct Id {}; 31 using StoragePtr = std::variant<Id, 32 const int64_t*, 33 const int32_t*, 34 const uint32_t*, 35 const double*, 36 const StringPool::Id*>; 37 38 ~StorageLayer() override; 39 virtual StoragePtr GetStoragePtr() = 0; 40 41 protected: 42 explicit StorageLayer(Impl impl); 43 }; 44 45 } // namespace perfetto::trace_processor::column 46 47 #endif // SRC_TRACE_PROCESSOR_DB_COLUMN_STORAGE_LAYER_H_ 48