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| author | Luke Pulverenti <luke.pulverenti@gmail.com> | 2013-06-17 16:35:43 -0400 |
|---|---|---|
| committer | Luke Pulverenti <luke.pulverenti@gmail.com> | 2013-06-17 16:35:43 -0400 |
| commit | e677a57bf1cedc55214b0e457778311b8f1ea5ac (patch) | |
| tree | 9c0b045279901f5dd4a866f46ce2d378a6d41d68 /MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs | |
| parent | 95f471e8c3ab466488cc4c2fba1b15e14e00ee3c (diff) | |
switch to flat file storage
Diffstat (limited to 'MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs')
| -rw-r--r-- | MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs b/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs deleted file mode 100644 index 6cd816e51..000000000 --- a/MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs +++ /dev/null @@ -1,183 +0,0 @@ -using MediaBrowser.Model.Logging; -using System; -using System.Data; -using System.Data.Common; -using System.Data.SQLite; -using System.IO; -using System.Threading.Tasks; - -namespace MediaBrowser.Server.Implementations.Sqlite -{ - /// <summary> - /// Class SqliteRepository - /// </summary> - public abstract class SqliteRepository : IDisposable - { - /// <summary> - /// The db file name - /// </summary> - protected string DbFileName; - /// <summary> - /// The connection - /// </summary> - protected SQLiteConnection Connection; - - /// <summary> - /// Gets the logger. - /// </summary> - /// <value>The logger.</value> - protected ILogger Logger { get; private set; } - - /// <summary> - /// Initializes a new instance of the <see cref="SqliteRepository" /> class. - /// </summary> - /// <param name="logManager">The log manager.</param> - /// <exception cref="System.ArgumentNullException">logger</exception> - protected SqliteRepository(ILogManager logManager) - { - if (logManager == null) - { - throw new ArgumentNullException("logManager"); - } - - Logger = logManager.GetLogger(GetType().Name); - } - - /// <summary> - /// Connects to DB. - /// </summary> - /// <param name="dbPath">The db path.</param> - /// <returns>Task{System.Boolean}.</returns> - /// <exception cref="System.ArgumentNullException">dbPath</exception> - protected Task ConnectToDb(string dbPath) - { - if (string.IsNullOrEmpty(dbPath)) - { - throw new ArgumentNullException("dbPath"); - } - - DbFileName = dbPath; - var connectionstr = new SQLiteConnectionStringBuilder - { - PageSize = 4096, - CacheSize = 40960, - SyncMode = SynchronizationModes.Off, - DataSource = dbPath, - JournalMode = SQLiteJournalModeEnum.Wal - }; - - Connection = new SQLiteConnection(connectionstr.ConnectionString); - - return Connection.OpenAsync(); - } - - /// <summary> - /// Runs the queries. - /// </summary> - /// <param name="queries">The queries.</param> - /// <returns><c>true</c> if XXXX, <c>false</c> otherwise</returns> - /// <exception cref="System.ArgumentNullException">queries</exception> - protected void RunQueries(string[] queries) - { - if (queries == null) - { - throw new ArgumentNullException("queries"); - } - - using (var tran = Connection.BeginTransaction()) - { - try - { - using (var cmd = Connection.CreateCommand()) - { - foreach (var query in queries) - { - cmd.Transaction = tran; - cmd.CommandText = query; - cmd.ExecuteNonQuery(); - } - } - - tran.Commit(); - } - catch (Exception e) - { - Logger.ErrorException("Error running queries", e); - tran.Rollback(); - throw; - } - } - } - - /// <summary> - /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. - /// </summary> - public void Dispose() - { - Dispose(true); - GC.SuppressFinalize(this); - } - - private readonly object _disposeLock = new object(); - - /// <summary> - /// Releases unmanaged and - optionally - managed resources. - /// </summary> - /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param> - protected virtual void Dispose(bool dispose) - { - if (dispose) - { - try - { - lock (_disposeLock) - { - if (Connection != null) - { - if (Connection.IsOpen()) - { - Connection.Close(); - } - - Connection.Dispose(); - Connection = null; - } - } - } - catch (Exception ex) - { - Logger.ErrorException("Error disposing database", ex); - } - } - } - - /// <summary> - /// Gets a stream from a DataReader at a given ordinal - /// </summary> - /// <param name="reader">The reader.</param> - /// <param name="ordinal">The ordinal.</param> - /// <returns>Stream.</returns> - /// <exception cref="System.ArgumentNullException">reader</exception> - protected static Stream GetStream(IDataReader reader, int ordinal) - { - if (reader == null) - { - throw new ArgumentNullException("reader"); - } - - var memoryStream = new MemoryStream(); - var num = 0L; - var array = new byte[4096]; - long bytes; - do - { - bytes = reader.GetBytes(ordinal, num, array, 0, array.Length); - memoryStream.Write(array, 0, (int)bytes); - num += bytes; - } - while (bytes > 0L); - memoryStream.Position = 0; - return memoryStream; - } - } -} |
