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Lidarr/src/NzbDrone.Core/Datastore/Database.cs

57 lines
1.5 KiB

using System;
using Marr.Data;
using NLog;
using NzbDrone.Common.Instrumentation;
namespace NzbDrone.Core.Datastore
{
public interface IDatabase
{
IDataMapper GetDataMapper();
Version Version { get; }
void Vacuum();
}
public class Database : IDatabase
{
private readonly string _databaseName;
private readonly Func<IDataMapper> _datamapperFactory;
private readonly Logger _logger = NzbDroneLogger.GetLogger(typeof(Database));
public Database(string databaseName, Func<IDataMapper> datamapperFactory)
{
_databaseName = databaseName;
_datamapperFactory = datamapperFactory;
}
public IDataMapper GetDataMapper()
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{
return _datamapperFactory();
}
public Version Version
{
get
{
var version = _datamapperFactory().ExecuteScalar("SELECT sqlite_version()").ToString();
return new Version(version);
}
}
public void Vacuum()
{
try
{
_logger.Info("Vacuuming {0} database", _databaseName);
_datamapperFactory().ExecuteNonQuery("Vacuum;");
_logger.Info("{0} database compressed", _databaseName);
}
catch (Exception e)
{
_logger.Error(e, "An Error occurred while vacuuming database.");
}
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}
}
}