public void Update(DataBaseWorker dbWorker, IDataBaseProvider databaseProvider)
{
Init(false);
List <IFillAbleObject> dropCommitEntries = new List <IFillAbleObject>(_items.Count);
List <IFillAbleObject> deattach = new List <IFillAbleObject>(_items.Count);
try
{
dbWorker.SaveObjects(_items.Union(_deletedItems).Cast <IFillAbleObject>(),
x =>
{
switch (x.State)
{
case State.Created:
return(databaseProvider.GetInsertCommandBuilder());
case State.Changed:
return(databaseProvider.GetUpdateCommandBuilder());
case State.Deleted:
x.DeleteChildObjects();
x.SaveChildObjects();
return(databaseProvider.GetDeleteCommandBuilder());
case State.Original:
x.SaveChildObjects();
return(null);
default:
return(null);
}
},
(x, reader) =>
{
switch (x.State)
{
case State.Changed:
case State.Created:
if (reader == null)
{
x.Deattach();
}
else
{
x.Fill(reader);
}
break;
default:
break;
}
},
x =>
{
switch (x.State)
{
case State.Changed:
case State.Created:
dropCommitEntries.Add(x);
x.SaveChildObjects();
break;
case State.Deleted:
x.Deattach();
break;
default:
x.SaveChildObjects();
break;
}
});
if (System.Transactions.Transaction.Current == null)
{
foreach (IFillAbleObject obj in dropCommitEntries)
{
obj.Commit(true);
}
}
else
{
#if !NETCOREAPP1_0
string transactionLocalIdentifier = System.Transactions.Transaction.Current.TransactionInformation.LocalIdentifier;
if (_objectsToCommit.ContainsKey(transactionLocalIdentifier))
{
_objectsToCommit[transactionLocalIdentifier] = _objectsToCommit[transactionLocalIdentifier].Union(dropCommitEntries);
}
else
{
_objectsToCommit.Add(transactionLocalIdentifier, dropCommitEntries);
System.Transactions.Transaction.Current.TransactionCompleted +=
(s, e) =>
{
switch (e.Transaction.TransactionInformation.Status)
{
case System.Transactions.TransactionStatus.Aborted:
foreach (IFillAbleObject obj in _objectsToCommit[e.Transaction.TransactionInformation.LocalIdentifier])
{
obj.Rollback();
}
break;
case System.Transactions.TransactionStatus.Committed:
foreach (IFillAbleObject obj in _objectsToCommit[e.Transaction.TransactionInformation.LocalIdentifier])
{
obj.Commit(true);
}
break;
default:
break;
}
_objectsToCommit.Remove(e.Transaction.TransactionInformation.LocalIdentifier);
};
}
#endif
}
}
catch (EntitySaveException)
{
foreach (IFillAbleObject obj in dropCommitEntries)
{
obj.Rollback();
}
throw;
}
}
