Program Listing for File database_connection.hpp
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// Copyright 2020 Bjarne von Horn
//
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//
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// SPDX-License-Identifier: BSD-3-Clause
#ifndef WAREHOUSE_ROS_SQLITE__DATABASE_CONNECTION_HPP_
#define WAREHOUSE_ROS_SQLITE__DATABASE_CONNECTION_HPP_
#include <warehouse_ros/database_connection.h>
#include <warehouse_ros/message_collection.h>
#include <warehouse_ros_sqlite/utils.hpp>
#include <warehouse_ros_sqlite/warehouse_ros_sqlite_export.hpp>
#include <string>
#include <utility>
#include <vector>
namespace warehouse_ros_sqlite
{
class WAREHOUSE_ROS_SQLITE_EXPORT DatabaseConnection : public warehouse_ros::DatabaseConnection
{
sqlite3_ptr db_;
std::string uri_;
public:
DatabaseConnection() = default;
explicit DatabaseConnection(sqlite3_ptr db)
: db_(std::move(db))
{
}
bool setParams(const std::string & host, unsigned /*port*/, float /*timeout*/ = 60.0) override
{
uri_ = host;
return true;
}
bool setTimeout(float /*timeout*/) override
{
return true;
}
bool connect() override;
bool isConnected() override;
void dropDatabase(const std::string & db_name) override;
std::string messageType(
const std::string & db_name,
const std::string & collection_name) override;
static const int BUSY_WAIT_MILLISECS = 20;
static const int BUSY_MAX_RETRIES = 10;
protected:
warehouse_ros::MessageCollectionHelper::Ptr openCollectionHelper(
const std::string & db_name,
const std::string & collection_name) override;
void initDb();
std::vector<std::string> getTablesOfDatabase(const std::string & db_name);
bool schemaVersionSet();
};
} // namespace warehouse_ros_sqlite
#endif // WAREHOUSE_ROS_SQLITE__DATABASE_CONNECTION_HPP_