/// <summary>
/// Updates the type structure and metadata for the specified writer.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="isNewSchema">Whether the current schema is know to be new.</param>
public void UpdateWriterStructure(BinaryWriter writer, bool isNewSchema)
{
if (_curStructUpdates != null)
{
// The following line assumes that cluster meta update will succeed (BinaryProcessor.PutBinaryTypes).
_desc.UpdateWriteStructure(_curStructPath, _curStructUpdates);
var marsh = writer.Marshaller;
var metaHnd = marsh.GetBinaryTypeHandler(_desc);
if (metaHnd != null)
{
foreach (var u in _curStructUpdates)
{
metaHnd.OnFieldWrite(u.FieldId, u.FieldName, u.FieldType);
}
var fields = metaHnd.OnObjectWriteFinished();
// A new schema may be added, but no new fields.
// In this case, we should still call SaveMetadata even if fields are null
writer.SaveMetadata(_desc, fields);
}
}
else if (_desc.WriterTypeStructure == null)
{
// Empty object (no fields).
// Null WriterTypeStructure indicates that meta has never been sent for this type.
writer.Marshaller.GetBinaryTypeHandler(_desc);
writer.SaveMetadata(_desc, null);
_desc.UpdateWriteStructure(_curStructPath, null);
}
else if (isNewSchema && _portStruct != null && !_portStruct.IsPathEnd(_curStructPath, _curStructAction))
{
// Subset of current schema is a different schema and should be saved.
writer.SaveMetadata(_desc, null);
}
}
