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SourcetrailDB/core/include/DatabaseStorage.h
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/*
* Copyright 2018 Coati Software KG
*
* 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 SOURCETRAIL_DATABASE_STORAGE_H
#define SOURCETRAIL_DATABASE_STORAGE_H
#include <memory>
#include <string>
#include <vector>
#include "CppSQLite3.h"
#include "StorageEdge.h"
#include "StorageError.h"
#include "StorageFile.h"
#include "StorageLocalSymbol.h"
#include "StorageNode.h"
#include "StorageOccurrence.h"
#include "StorageSourceLocation.h"
#include "StorageSymbol.h"
namespace sourcetrail
{
/**
* Class wrapping the write and update interface of the Sourcetrail database.
*
* The DatabaseStorage provides the interface for writing and updating the Sourcetrail database. This interface only
* knows about basic data types, more elaborate types like enums, structs and classes need to be converted to basic
* types before using this interface.
*/
class DatabaseStorage
{
public:
static int getSupportedDatabaseVersion();
static std::shared_ptr<DatabaseStorage> openDatabase(const std::string& dbFilePath);
~DatabaseStorage();
void setupTables();
void clearTables();
bool isEmpty() const;
bool isCompatible() const;
int getLoadedDatabaseVersion() const;
void beginTransaction();
void commitTransaction();
void rollbackTransaction();
void optimizeDatabaseMemory();
int addNode(const StorageNodeData& storageNodeData);
void addSymbol(const StorageSymbol& storageSymbol);
void addFile(const StorageFile& storageFile);
int addEdge(const StorageEdgeData& storageEdgeData);
int addLocalSymbol(const StorageLocalSymbolData& storageLocalSymbolData);
int addSourceLocation(const StorageSourceLocationData& storageSourceLocationData);
void addOccurrence(const StorageOccurrence& storageOccurrence);
int addError(const StorageErrorData& storageErrorData);
void setNodeType(int nodeId, int nodeKind);
template <typename ResultType>
std::vector<ResultType> getAll() const
{
return doGetAll<ResultType>("");
}
private:
DatabaseStorage() = default;
void insertOrUpdateMetaValue(const std::string& key, const std::string& value);
void executeStatement(const std::string& statement) const;
void executeStatement(CppSQLite3Statement& statement) const;
CppSQLite3Query executeQuery(const std::string& query) const;
CppSQLite3Query executeQuery(CppSQLite3Statement& statement) const;
template <typename ResultType>
std::vector<ResultType> doGetAll(const std::string& query) const;
mutable CppSQLite3DB m_database;
};
template <>
std::vector<StorageEdge> DatabaseStorage::doGetAll<StorageEdge>(const std::string& query) const;
template <>
std::vector<StorageNode> DatabaseStorage::doGetAll<StorageNode>(const std::string& query) const;
template <>
std::vector<StorageSymbol> DatabaseStorage::doGetAll<StorageSymbol>(const std::string& query) const;
template <>
std::vector<StorageFile> DatabaseStorage::doGetAll<StorageFile>(const std::string& query) const;
template <>
std::vector<StorageLocalSymbol> DatabaseStorage::doGetAll<StorageLocalSymbol>(const std::string& query) const;
template <>
std::vector<StorageSourceLocation> DatabaseStorage::doGetAll<StorageSourceLocation>(const std::string& query) const;
template <>
std::vector<StorageOccurrence> DatabaseStorage::doGetAll<StorageOccurrence>(const std::string& query) const;
template <>
std::vector<StorageError> DatabaseStorage::doGetAll<StorageError>(const std::string& query) const;
}
#endif // SOURCETRAIL_DATABASE_STORAGE_H