.. _program_listing_file__tmp_ws_src_warehouse_ros_sqlite_include_warehouse_ros_sqlite_database_connection.hpp:

Program Listing for File database_connection.hpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_warehouse_ros_sqlite_include_warehouse_ros_sqlite_database_connection.hpp>` (``/tmp/ws/src/warehouse_ros_sqlite/include/warehouse_ros_sqlite/database_connection.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2020 Bjarne von Horn
   //
   // Redistribution and use in source and binary forms, with or without
   // modification, are permitted provided that the following conditions are met:
   //
   //    * Redistributions of source code must retain the above copyright
   //      notice, this list of conditions and the following disclaimer.
   //
   //    * Redistributions in binary form must reproduce the above copyright
   //      notice, this list of conditions and the following disclaimer in the
   //      documentation and/or other materials provided with the distribution.
   //
   //    * Neither the name of the copyright holder nor the names of its
   //      contributors may be used to endorse or promote products derived from
   //      this software without specific prior written permission.
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   // POSSIBILITY OF SUCH DAMAGE.
   
   // 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_