private static void RegisterSchema(SchemaEditor origSchema, SchemaEditor newSchema, SchemaWriter schemaWriter)
{
using (var op = SnTrace.Database.StartOperation("Write storage schema modifications."))
{
// Ensure transaction encapsulation
bool isLocalTransaction = !TransactionScope.IsActive;
if (isLocalTransaction)
{
TransactionScope.Begin();
}
try
{
List <PropertySet> modifiedPropertySets = new List <PropertySet>();
schemaWriter.Open();
WriteSchemaModifications(origSchema, newSchema, schemaWriter, modifiedPropertySets);
foreach (PropertySet modifiedPropertySet in modifiedPropertySets)
{
NodeTypeDependency.FireChanged(modifiedPropertySet.Id);
}
schemaWriter.Close();
if (isLocalTransaction)
{
TransactionScope.Commit();
}
ActiveSchema.Reset();
op.Successful = true;
}
catch (Exception ex)
{
SnLog.WriteException(ex, null, EventId.RepositoryRuntime);
throw new SchemaEditorCommandException("Error during schema registration.", ex);
}
finally
{
IDisposable unmanagedWriter = schemaWriter as IDisposable;
if (unmanagedWriter != null)
{
unmanagedWriter.Dispose();
}
try
{
if (isLocalTransaction && TransactionScope.IsActive)
{
TransactionScope.Rollback();
}
}
catch (Exception ex2)
{
// This catch block will handle any errors that may have occurred
// on the server that would cause the rollback to fail, such as
// a closed connection (MSDN).
const string msg = "Error during schema transaction rollback.";
SnLog.WriteException(ex2, msg, EventId.RepositoryRuntime);
throw new SchemaEditorCommandException(msg, ex2);
}
}
}
}
