// IDbConnection.BeginTransaction, OleDbTransaction.Begin
internal static ArgumentOutOfRangeException InvalidIsolationLevel(System.Data.IsolationLevel value)
{
#if DEBUG
switch (value)
{
case System.Data.IsolationLevel.Unspecified:
case System.Data.IsolationLevel.Chaos:
case System.Data.IsolationLevel.ReadUncommitted:
case System.Data.IsolationLevel.ReadCommitted:
case System.Data.IsolationLevel.RepeatableRead:
case System.Data.IsolationLevel.Serializable:
case System.Data.IsolationLevel.Snapshot:
Debug.Fail("valid IsolationLevel " + value.ToString());
break;
}
#endif
return(InvalidEnumerationValue(typeof(System.Data.IsolationLevel), (int)value));
}
internal static Exception SnapshotNotSupported(System.Data.IsolationLevel level)
{
return(ADP.Argument(Res.GetString("SQL_SnapshotNotSupported", new object[] { typeof(System.Data.IsolationLevel), level.ToString() })));
}
public new SqlCeTransaction BeginTransaction(System.Data.IsolationLevel isolationLevel)
{
int num = 0;
if (HasDelegatedTransaction)
{
throw new InvalidOperationException(Res.GetString("ADP_ParallelTransactionsNotSupported", GetType().Name));
}
if (!isDisposed)
{
CheckStateOpen("BeginTransaction");
SEISOLATION isoLevel;
switch (isolationLevel)
{
case System.Data.IsolationLevel.Unspecified:
case System.Data.IsolationLevel.ReadCommitted:
isoLevel = SEISOLATION.ISO_READ_COMMITTED;
break;
case System.Data.IsolationLevel.RepeatableRead:
isoLevel = SEISOLATION.ISO_REPEATABLE_READ;
break;
case System.Data.IsolationLevel.Serializable:
isoLevel = SEISOLATION.ISO_SERIALIZABLE;
break;
default:
throw new ArgumentException(Res.GetString("ADP_InvalidIsolationLevel", isolationLevel.ToString()));
}
SqlCeTransaction sqlCeTransaction = null;
IntPtr ppUnknown = IntPtr.Zero;
IntPtr ppUnknown2 = IntPtr.Zero;
try {
num = NativeMethods.OpenTransaction(pSeStore, pQpDatabase, isoLevel, IQPSession, ref ppUnknown, ref ppUnknown2, pError);
if (num != 0)
{
ProcessResults(num);
}
sqlCeTransaction = new SqlCeTransaction(this, isolationLevel, ppUnknown, ppUnknown2);
AddWeakReference(sqlCeTransaction);
return(sqlCeTransaction);
} catch (Exception) {
if (IntPtr.Zero != ppUnknown2)
{
NativeMethods.SafeRelease(ref ppUnknown2);
}
if (IntPtr.Zero != ppUnknown)
{
NativeMethods.SafeRelease(ref ppUnknown);
}
throw;
}
}
throw new ObjectDisposedException("SqlCeConnection");
}
internal override void ExecuteTransaction(SqlInternalConnection.TransactionRequest transactionRequest, string transactionName, System.Data.IsolationLevel iso, SqlInternalTransaction internalTransaction, bool isDelegateControlRequest)
{
if (Bid.AdvancedOn)
{
Bid.Trace("<sc.SqlInternalConnectionSmi.ExecuteTransaction|ADV> %d#, transactionRequest=%ls, transactionName='%ls', isolationLevel=%ls, internalTransaction=#%d transactionId=0x%I64x.\n", base.ObjectID, transactionRequest.ToString(), (transactionName != null) ? transactionName : "null", iso.ToString(), (internalTransaction != null) ? internalTransaction.ObjectID : 0, (internalTransaction != null) ? internalTransaction.TransactionId : 0L);
}
switch (transactionRequest)
{
case SqlInternalConnection.TransactionRequest.Begin:
try
{
this._pendingTransaction = internalTransaction;
this._smiConnection.BeginTransaction(transactionName, iso, this._smiEventSink);
goto Label_0121;
}
finally
{
this._pendingTransaction = null;
}
break;
case SqlInternalConnection.TransactionRequest.Promote:
base.PromotedDTCToken = this._smiConnection.PromoteTransaction(this._currentTransaction.TransactionId, this._smiEventSink);
goto Label_0121;
case SqlInternalConnection.TransactionRequest.Commit:
break;
case SqlInternalConnection.TransactionRequest.Rollback:
case SqlInternalConnection.TransactionRequest.IfRollback:
this._smiConnection.RollbackTransaction(this._currentTransaction.TransactionId, transactionName, this._smiEventSink);
goto Label_0121;
case SqlInternalConnection.TransactionRequest.Save:
this._smiConnection.CreateTransactionSavePoint(this._currentTransaction.TransactionId, transactionName, this._smiEventSink);
goto Label_0121;
default:
goto Label_0121;
}
this._smiConnection.CommitTransaction(this._currentTransaction.TransactionId, this._smiEventSink);
Label_0121:
this._smiEventSink.ProcessMessagesAndThrow();
}
