public static int SlotHandlerVersion(IExtObjectContainer objectContainer, object obj) { int id = (int)objectContainer.GetID(obj); IObjectInfo objectInfo = objectContainer.GetObjectInfo(obj); ObjectContainerBase container = (ObjectContainerBase)objectContainer; Transaction trans = container.Transaction; ByteArrayBuffer buffer = container.ReadBufferById(trans, id); UnmarshallingContext context = new UnmarshallingContext(trans, (ObjectReference)objectInfo , Const4.Transient, false); context.Buffer(buffer); context.PersistentObject(obj); context.ActivationDepth(new LegacyActivationDepth(0)); context.Read(); return(context.HandlerVersion()); }
private object WriteAndRead(object obj) { int imaginativeID = 500; ObjectReference @ref = new ObjectReference(ClassMetadataForObject(obj), imaginativeID ); @ref.SetObject(obj); MarshallingContext marshallingContext = new MarshallingContext(Trans(), @ref, Container ().UpdateDepthProvider().ForDepth(int.MaxValue), true); Handlers4.Write(@ref.ClassMetadata().TypeHandler(), marshallingContext, obj); Pointer4 pointer = marshallingContext.AllocateSlot(); ByteArrayBuffer buffer = marshallingContext.ToWriteBuffer(pointer); buffer.Seek(0); // String str = new String(buffer._buffer); // System.out.println(str); UnmarshallingContext unmarshallingContext = new UnmarshallingContext(Trans(), @ref , Const4.AddToIdTree, false); unmarshallingContext.Buffer(buffer); unmarshallingContext.ActivationDepth(new LegacyActivationDepth(5)); return(unmarshallingContext.Read()); }
public virtual void AttemptUpdate(UnmarshallingContext context) { if (!Updating()) { IncrementOffset(context, context); return; } int savedOffset = context.Offset(); try { object toSet = context.Read(GetHandler()); if (toSet != null) { Set(context.PersistentObject(), toSet); } } catch (Exception) { // FIXME: COR-547 Diagnostics here please. context.Buffer().Seek(savedOffset); IncrementOffset(context, context); } }