2013-03-25 03:51:32 +00:00
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using System;
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using Marr.Data;
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2013-11-28 07:11:05 +00:00
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using NLog;
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using NzbDrone.Common.Instrumentation;
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2013-03-25 03:51:32 +00:00
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namespace NzbDrone.Core.Datastore
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{
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public interface IDatabase
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{
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2013-07-16 00:45:49 +00:00
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IDataMapper GetDataMapper();
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2013-11-28 07:11:05 +00:00
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Version Version { get; }
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void Vacuum();
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2013-03-25 03:51:32 +00:00
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}
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public class Database : IDatabase
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{
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2015-05-03 18:52:07 +00:00
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private readonly string _databaseName;
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2013-11-28 07:52:22 +00:00
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private readonly Func<IDataMapper> _datamapperFactory;
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2013-03-25 03:51:32 +00:00
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2014-12-17 07:12:26 +00:00
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private readonly Logger _logger = NzbDroneLogger.GetLogger(typeof(Database));
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2013-11-28 07:11:05 +00:00
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2015-05-03 18:52:07 +00:00
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public Database(string databaseName, Func<IDataMapper> datamapperFactory)
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2013-03-25 03:51:32 +00:00
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{
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2015-05-03 18:52:07 +00:00
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_databaseName = databaseName;
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2013-11-28 07:52:22 +00:00
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_datamapperFactory = datamapperFactory;
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2013-03-25 03:51:32 +00:00
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}
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2013-07-16 00:45:49 +00:00
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public IDataMapper GetDataMapper()
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2013-05-11 20:06:57 +00:00
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{
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2013-11-28 07:52:22 +00:00
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return _datamapperFactory();
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2013-11-28 07:11:05 +00:00
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}
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public Version Version
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{
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get
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{
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2018-12-02 17:05:58 +00:00
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using (var db = _datamapperFactory())
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{
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var version = db.ExecuteScalar("SELECT sqlite_version()").ToString();
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return new Version(version);
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}
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2013-11-28 07:11:05 +00:00
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}
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}
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public void Vacuum()
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{
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try
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{
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2015-05-03 18:52:07 +00:00
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_logger.Info("Vacuuming {0} database", _databaseName);
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2018-12-02 17:05:58 +00:00
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using (var db = _datamapperFactory())
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{
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db.ExecuteNonQuery("Vacuum;");
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}
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2015-05-03 18:52:07 +00:00
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_logger.Info("{0} database compressed", _databaseName);
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2013-11-28 07:11:05 +00:00
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}
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catch (Exception e)
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{
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2016-02-11 21:13:42 +00:00
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_logger.Error(e, "An Error occurred while vacuuming database.");
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2013-11-28 07:11:05 +00:00
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}
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2013-05-11 20:06:57 +00:00
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}
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2013-03-25 03:51:32 +00:00
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}
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2018-02-13 18:07:26 +00:00
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}
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