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use individual connections

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This commit is contained in:
Luke Pulverenti
2016-06-11 11:55:05 -04:00
parent 682edf5abd
commit 4c7f292ba8
12 changed files with 1196 additions and 1281 deletions
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272
MediaBrowser.Server.Implementations/Persistence/SqliteDisplayPreferencesRepository.cs
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@@ -18,12 +18,11 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
public class SqliteDisplayPreferencesRepository : BaseSqliteRepository, IDisplayPreferencesRepository
{
private IDbConnection _connection;
public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths) : base(logManager)
public SqliteDisplayPreferencesRepository(ILogManager logManager, IJsonSerializer jsonSerializer, IApplicationPaths appPaths, IDbConnector dbConnector)
: base(logManager, dbConnector)
{
_jsonSerializer = jsonSerializer;
_appPaths = appPaths;
DbFilePath = Path.Combine(appPaths.DataPath, "displaypreferences.db");
}
/// <summary>
@@ -43,22 +42,15 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// </summary>
private readonly IJsonSerializer _jsonSerializer;
/// <summary>
/// The _app paths
/// </summary>
private readonly IApplicationPaths _appPaths;
/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
public async Task Initialize(IDbConnector dbConnector)
public async Task Initialize()
{
var dbFile = Path.Combine(_appPaths.DataPath, "displaypreferences.db");
_connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
string[] queries = {
using (var connection = await CreateConnection().ConfigureAwait(false))
{
string[] queries = {
"create table if not exists userdisplaypreferences (id GUID, userId GUID, client text, data BLOB)",
"create unique index if not exists userdisplaypreferencesindex on userdisplaypreferences (id, userId, client)",
@@ -69,7 +61,8 @@ namespace MediaBrowser.Server.Implementations.Persistence
"pragma shrink_memory"
};
_connection.RunQueries(queries, Logger);
connection.RunQueries(queries, Logger);
}
}
/// <summary>
@@ -96,58 +89,57 @@ namespace MediaBrowser.Server.Implementations.Persistence
var serialized = _jsonSerializer.SerializeToBytes(displayPreferences);
await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
IDbTransaction transaction = null;
try
using (var connection = await CreateConnection().ConfigureAwait(false))
{
transaction = _connection.BeginTransaction();
IDbTransaction transaction = null;
using (var cmd = _connection.CreateCommand())
try
{
cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)";
transaction = connection.BeginTransaction();
cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreferences.Id);
cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@3", DbType.String).Value = client;
cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized;
using (var cmd = connection.CreateCommand())
{
cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)";
cmd.Transaction = transaction;
cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreferences.Id);
cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@3", DbType.String).Value = client;
cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized;
cmd.ExecuteNonQuery();
cmd.Transaction = transaction;
cmd.ExecuteNonQuery();
}
transaction.Commit();
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
catch (OperationCanceledException)
{
transaction.Rollback();
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
throw;
}
catch (Exception e)
{
Logger.ErrorException("Failed to save display preferences:", e);
if (transaction != null)
catch (Exception e)
{
transaction.Rollback();
}
Logger.ErrorException("Failed to save display preferences:", e);
throw;
}
finally
{
if (transaction != null)
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
transaction.Dispose();
if (transaction != null)
{
transaction.Dispose();
}
}
WriteLock.Release();
}
}
@@ -168,64 +160,63 @@ namespace MediaBrowser.Server.Implementations.Persistence
cancellationToken.ThrowIfCancellationRequested();
await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
IDbTransaction transaction = null;
try
using (var connection = await CreateConnection().ConfigureAwait(false))
{
transaction = _connection.BeginTransaction();
IDbTransaction transaction = null;
foreach (var displayPreference in displayPreferences)
try
{
transaction = connection.BeginTransaction();
var serialized = _jsonSerializer.SerializeToBytes(displayPreference);
using (var cmd = _connection.CreateCommand())
foreach (var displayPreference in displayPreferences)
{
cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)";
cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreference.Id);
cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@3", DbType.String).Value = displayPreference.Client;
cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized;
var serialized = _jsonSerializer.SerializeToBytes(displayPreference);
cmd.Transaction = transaction;
using (var cmd = connection.CreateCommand())
{
cmd.CommandText = "replace into userdisplaypreferences (id, userid, client, data) values (@1, @2, @3, @4)";
cmd.ExecuteNonQuery();
cmd.Parameters.Add(cmd, "@1", DbType.Guid).Value = new Guid(displayPreference.Id);
cmd.Parameters.Add(cmd, "@2", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@3", DbType.String).Value = displayPreference.Client;
cmd.Parameters.Add(cmd, "@4", DbType.Binary).Value = serialized;
cmd.Transaction = transaction;
cmd.ExecuteNonQuery();
}
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
Logger.ErrorException("Failed to save display preferences:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
Logger.ErrorException("Failed to save display preferences:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
WriteLock.Release();
}
}
@@ -246,28 +237,33 @@ namespace MediaBrowser.Server.Implementations.Persistence
var guidId = displayPreferencesId.GetMD5();
var cmd = _connection.CreateCommand();
cmd.CommandText = "select data from userdisplaypreferences where id = @id and userId=@userId and client=@client";
cmd.Parameters.Add(cmd, "@id", DbType.Guid).Value = guidId;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@client", DbType.String).Value = client;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
using (var connection = CreateConnection(true).Result)
{
if (reader.Read())
using (var cmd = connection.CreateCommand())
{
using (var stream = reader.GetMemoryStream(0))
cmd.CommandText = "select data from userdisplaypreferences where id = @id and userId=@userId and client=@client";
cmd.Parameters.Add(cmd, "@id", DbType.Guid).Value = guidId;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@client", DbType.String).Value = client;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
{
return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream);
if (reader.Read())
{
using (var stream = reader.GetMemoryStream(0))
{
return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream);
}
}
}
return new DisplayPreferences
{
Id = guidId.ToString("N")
};
}
}
return new DisplayPreferences
{
Id = guidId.ToString("N")
};
}
/// <summary>
@@ -278,36 +274,30 @@ namespace MediaBrowser.Server.Implementations.Persistence
/// <exception cref="System.ArgumentNullException">item</exception>
public IEnumerable<DisplayPreferences> GetAllDisplayPreferences(Guid userId)
{
var list = new List<DisplayPreferences>();
var cmd = _connection.CreateCommand();
cmd.CommandText = "select data from userdisplaypreferences where userId=@userId";
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
using (var connection = CreateConnection(true).Result)
{
while (reader.Read())
using (var cmd = connection.CreateCommand())
{
using (var stream = reader.GetMemoryStream(0))
cmd.CommandText = "select data from userdisplaypreferences where userId=@userId";
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
yield return _jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream);
while (reader.Read())
{
using (var stream = reader.GetMemoryStream(0))
{
list.Add(_jsonSerializer.DeserializeFromStream<DisplayPreferences>(stream));
}
}
}
}
}
}
protected override void CloseConnection()
{
if (_connection != null)
{
if (_connection.IsOpen())
{
_connection.Close();
}
_connection.Dispose();
_connection = null;
}
return list;
}
public Task SaveDisplayPreferences(DisplayPreferences displayPreferences, string userId, string client, CancellationToken cancellationToken)