public async Task <SaveResult> SaveChangesAsync(JObject saveBundle, TransactionSettings transactionSettings = null)
{
if (SaveWorkState == null || SaveWorkState.WasUsed)
{
InitializeSaveState(saveBundle);
}
transactionSettings = transactionSettings ?? BreezeConfig.Instance.GetTransactionSettings();
try {
if (transactionSettings.TransactionType == TransactionType.TransactionScope)
{
var txOptions = transactionSettings.ToTransactionOptions();
using (var txScope = new TransactionScope(TransactionScopeOption.Required, txOptions)) {
await OpenAndSaveAsync(SaveWorkState);
txScope.Complete();
}
}
else if (transactionSettings.TransactionType == TransactionType.DbTransaction)
{
this.OpenDbConnection();
using (IDbTransaction tran = BeginTransaction(transactionSettings.IsolationLevelAs)) {
try {
await OpenAndSaveAsync(SaveWorkState);
await session.Transaction.CommitAsync();
} catch {
session.Transaction.Rollback();
throw;
}
}
}
else
{
await OpenAndSaveAsync(SaveWorkState);
}
} catch (EntityErrorsException e) {
SaveWorkState.EntityErrors = e.EntityErrors;
throw;
} catch (Exception e2) {
if (!HandleSaveException(e2, SaveWorkState))
{
throw;
}
} finally {
CloseDbConnection();
}
return(SaveWorkState.ToSaveResult());
}
