internal void Flush()
{
_currentAddFieldStatment = null;
_currentTableInfo = null;
_currentTableStatment = null;
string commandText = string.Join(";", _tableStatments.Select(x => ParseStatement(x)).Where(x => !string.IsNullOrWhiteSpace(x)));
if (string.IsNullOrWhiteSpace(commandText))
return;
using (DbCommand command = _getCommandFunc())
{
DbConnection connection = _databaseProvider.GetConnection(_connectionString);
try
{
if (connection.State != System.Data.ConnectionState.Open)
connection.Open();
command.Connection = connection;
command.CommandText = commandText;
command.ExecuteNonQuery();
}
finally
{
_databaseProvider.ReleaseConnection(connection);
}
}
}
private void ThreadFunction()
{
DbConnection connection = _dataBaseProvider.GetConnection(_connectionStringName);
try
{
if (connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
while (true)
{
List <QueueItem> queue;
lock (this)
{
if (_queue.Count == 0)
{
return;
}
queue = _queue;
_queue = new List <QueueItem>();
}
try
{
List <ICommitContext> commitContexts = new List <ICommitContext>(queue.Count);
using (DbCommand command = _dataBaseProvider.CombineCommands(queue.Select(x => x.Command)))
{
command.Connection = connection;
using (IValueSource valueSource = _dataBaseProvider.GetValueSource(command))
{
for (int i = 0; i < queue.Count; i++)
{
commitContexts.Add(queue[i].FillAction(valueSource, queue[i].Context));
}
}
}
foreach (ICommitContext context in commitContexts.Where(x => x != null))
{
context.Commit();
}
}
finally
{
foreach (TaskCompletionSource <bool> result in queue.Select(x => x.TaskCompletionSource))
{
result.SetResult(true);
}
}
lock (this)
{
if (_queue.Count == 0)
{
return;
}
}
}
}
finally
{
_workerThread = null;
_dataBaseProvider.ReleaseConnection(connection);
}
}