public void CommitEntity(ref object entity, UpdateAction action, Type entityType)
{
EntityUpdater update = new EntityUpdater((EntityBase)entity, action);
MethodInfo[] methods = GetType().GetMethods();
foreach (MethodInfo mi in methods)
{
if (mi.Name == "CommitEntity" && mi.IsGenericMethod && mi.GetParameters().Length == 1)
{
MethodInfo genericMi = mi.MakeGenericMethod(new Type[] { entityType });
genericMi.Invoke(this, new object[] { update });
break;
}
}
entity = update.Entity;
}
// This is a bit clumsy. We only need
// this to be templated because of the refetch.
public void CommitEntity <T>(ref EntityUpdater adapter, bool refetch) where T : EntityBase, new()
{
if (refetch)
{
throw new NotImplementedException("Refetching an entity is not yet supported");
}
SqlCommand cmd = null;
switch (adapter.Action)
{
case UpdateAction.Delete:
cmd = adapter.GetDeleteCommand();
break;
case UpdateAction.Insert:
cmd = adapter.GetInsertCommand();
break;
case UpdateAction.Update:
cmd = adapter.GetUpdateCommand();
break;
}
// TODO:
// If any of the GetXXXCommand methods
// can't build a suitable command then they return
// null. Instead of ignoring the update, we should
// probably throw a suitable error message.
if (null != cmd)
{
cmd.Connection = m_Connection;
if (m_Connection.State == ConnectionState.Closed)
{
m_Connection.Open();
}
try {
cmd.ExecuteNonQuery();
adapter.RefreshEntityAutoIncrementValue(cmd);
if (refetch)
{
// TODO:
// EntityUpdater.Entity property should be readonly
// to enforce rules within EntityUpdater.
// Is a refetch even necessary if we've already
// taken care of IDENTITY fields?
//adapter.Entity =
// FetchOneEntity(
// new EntityFetcher<T>(adapter.Entity.GetIdentifierDbField() == adapter.Entity.GetValueForDbField(adapter.Entity.GetIdentifierDbField())));
}
}
finally {
if (m_OwnsConnection && m_Connection != null && m_Connection.State != ConnectionState.Closed)
{
m_Connection.Close();
}
}
cmd.Dispose();
}
}
public void CommitEntity <T>(ref EntityUpdater adapter) where T : EntityBase, new()
{
CommitEntity <T>(ref adapter, false);
}