public void Open(string connectionString)
{
if (_EseInstance == null)
{
if (string.IsNullOrWhiteSpace(connectionString))
{
connectionString = ApplicationFolderHelper.ApplicationFolderName;
}
this._DatabasePath = Path.Combine(connectionString, Path.ChangeExtension(_DatabaseName, _StorageEngineBaseName));
_EseInstance = new Instance(_DatabaseName);
_EseInstance.Parameters.CreatePathIfNotExist = true;
_EseInstance.Parameters.CircularLog = true;
_EseInstance.Parameters.Recovery = true;
_EseInstance.Parameters.BaseName = _StorageEngineBaseName;
_EseInstance.Parameters.MaxSessions = _ConnectionPoolSize * 2;
_EseInstance.Parameters.NoInformationEvent = true;
if (!string.IsNullOrEmpty(connectionString))
{
_EseInstance.Parameters.SystemDirectory = connectionString;
_EseInstance.Parameters.LogFileDirectory = connectionString;
_EseInstance.Parameters.TempDirectory = connectionString;
_EseInstance.Parameters.AlternateDatabaseRecoveryDirectory = connectionString;
}
InitGrbit grbit = default(InitGrbit);
if (EsentVersion.SupportsWindows7Features)
{
grbit = Windows7Grbits.ReplayIgnoreLostLogs;
}
else
{
grbit = InitGrbit.None;
}
_EseInstance.Init(grbit);
_ConnectionPool = new EseConnectionPool(_EseInstance, _DatabasePath, _ConnectionPoolSize);
EseConnection connection = _ConnectionPool.OpenConnection();
try
{
using (connection.GetTable(_TableNameCallbacks, OpenTableGrbit.ReadOnly))
{
}
}
catch (EsentErrorException eeex)
{
if (eeex.Error == JET_err.ObjectNotFound)
{
CreateTaskTable(connection);
}
else
{
throw;
}
}
finally
{
_ConnectionPool.CloseConnection(connection);
}
}
}
public void Open(string connectionString)
{
if (_EseInstance == null)
{
if (string.IsNullOrWhiteSpace(connectionString))
{
connectionString = ApplicationFolderHelper.ApplicationFolderName;
}
this._DatabasePath = Path.Combine(connectionString, Path.ChangeExtension(_DatabaseName, _StorageEngineBaseName));
_EseInstance = new Instance(_DatabaseName);
_EseInstance.Parameters.CreatePathIfNotExist = true;
_EseInstance.Parameters.CircularLog = true;
_EseInstance.Parameters.Recovery = true;
_EseInstance.Parameters.BaseName = _StorageEngineBaseName;
_EseInstance.Parameters.MaxSessions = _ConnectionPoolSize * 2;
_EseInstance.Parameters.NoInformationEvent = true;
if (!string.IsNullOrEmpty(connectionString))
{
_EseInstance.Parameters.SystemDirectory = connectionString;
_EseInstance.Parameters.LogFileDirectory = connectionString;
_EseInstance.Parameters.TempDirectory = connectionString;
_EseInstance.Parameters.AlternateDatabaseRecoveryDirectory = connectionString;
}
InitGrbit grbit = default(InitGrbit);
if (EsentVersion.SupportsWindows7Features)
{
grbit = Windows7Grbits.ReplayIgnoreLostLogs;
}
else
{
grbit = InitGrbit.None;
}
_EseInstance.Init(grbit);
_ConnectionPool = new EseConnectionPool(_EseInstance, _DatabasePath, _ConnectionPoolSize);
EseConnection connection = _ConnectionPool.OpenConnection();
try
{
using (connection.GetTable(_TableNameCallbacks, OpenTableGrbit.ReadOnly))
{
}
}
catch (EsentErrorException eeex)
{
if (eeex.Error == JET_err.ObjectNotFound)
{
CreateTaskTable(connection);
}
else
{
throw;
}
}
finally
{
_ConnectionPool.CloseConnection(connection);
}
}
}
