/// <summary>
/// Gets the type name by id.
/// </summary>
/// <param name="id">The identifier.</param>
/// <returns>Type or null.</returns>
public string GetTypeName(int id)
{
try
{
return(GetTypeName(id, DotNetPlatformId));
}
catch (BinaryObjectException)
{
if (!Marshaller.RegisterSameJavaType.Value)
{
throw;
}
}
// Try to get java type name and register corresponding DotNet type.
var javaTypeName = GetTypeName(id, JavaPlatformId);
var netTypeName = Marshaller.GetTypeName(javaTypeName);
RegisterType(id, netTypeName, false);
return(netTypeName);
}
/// <summary>
/// Write object.
/// </summary>
/// <param name="obj">Object.</param>
public void Write <T>(T obj)
{
// Handle special case for null.
// ReSharper disable once CompareNonConstrainedGenericWithNull
if (obj == null)
{
_stream.WriteByte(BinaryUtils.HdrNull);
return;
}
// We use GetType() of a real object instead of typeof(T) to take advantage of
// automatic Nullable'1 unwrapping.
Type type = obj.GetType();
// Handle common case when primitive is written.
if (type.IsPrimitive)
{
WritePrimitive(obj, type);
return;
}
// Handle special case for builder.
if (WriteBuilderSpecials(obj))
{
return;
}
// Are we dealing with a well-known type?
var handler = BinarySystemHandlers.GetWriteHandler(type);
if (handler != null)
{
if (handler.SupportsHandles && WriteHandle(_stream.Position, obj))
{
return;
}
handler.Write(this, obj);
return;
}
// Wrap objects as required.
if (WrapperFunc != null && type != WrapperFunc.Method.ReturnType)
{
if (_isInWrapper)
{
_isInWrapper = false;
}
else
{
_isInWrapper = true;
Write(WrapperFunc(obj));
return;
}
}
// Suppose that we faced normal object and perform descriptor lookup.
var desc = _marsh.GetDescriptor(type);
// Writing normal object.
var pos = _stream.Position;
// Dealing with handles.
if (desc.Serializer.SupportsHandles && WriteHandle(pos, obj))
{
return;
}
// Skip header length as not everything is known now
_stream.Seek(BinaryObjectHeader.Size, SeekOrigin.Current);
// Write type name for unregistered types
if (!desc.IsRegistered)
{
WriteString(Marshaller.GetTypeName(type));
}
var headerSize = _stream.Position - pos;
// Preserve old frame.
var oldFrame = _frame;
// Push new frame.
_frame.RawPos = 0;
_frame.Pos = pos;
_frame.Struct = new BinaryStructureTracker(desc, desc.WriterTypeStructure);
_frame.HasCustomTypeData = false;
var schemaIdx = _schema.PushSchema();
try
{
// Write object fields.
desc.Serializer.WriteBinary(obj, this);
var dataEnd = _stream.Position;
// Write schema
var schemaOffset = dataEnd - pos;
int schemaId;
var flags = desc.UserType
? BinaryObjectHeader.Flag.UserType
: BinaryObjectHeader.Flag.None;
if (_frame.HasCustomTypeData)
{
flags |= BinaryObjectHeader.Flag.CustomDotNetType;
}
if (Marshaller.CompactFooter && desc.UserType)
{
flags |= BinaryObjectHeader.Flag.CompactFooter;
}
var hasSchema = _schema.WriteSchema(_stream, schemaIdx, out schemaId, ref flags);
if (hasSchema)
{
flags |= BinaryObjectHeader.Flag.HasSchema;
// Calculate and write header.
if (_frame.RawPos > 0)
{
_stream.WriteInt(_frame.RawPos - pos); // raw offset is in the last 4 bytes
}
// Update schema in type descriptor
if (desc.Schema.Get(schemaId) == null)
{
desc.Schema.Add(schemaId, _schema.GetSchema(schemaIdx));
}
}
else
{
schemaOffset = headerSize;
}
if (_frame.RawPos > 0)
{
flags |= BinaryObjectHeader.Flag.HasRaw;
}
var len = _stream.Position - pos;
var hashCode = BinaryArrayEqualityComparer.GetHashCode(Stream, pos + BinaryObjectHeader.Size,
dataEnd - pos - BinaryObjectHeader.Size);
var header = new BinaryObjectHeader(desc.IsRegistered ? desc.TypeId : BinaryTypeId.Unregistered,
hashCode, len, schemaId, schemaOffset, flags);
BinaryObjectHeader.Write(header, _stream, pos);
Stream.Seek(pos + len, SeekOrigin.Begin); // Seek to the end
}
finally
{
_schema.PopSchema(schemaIdx);
}
// Apply structure updates if any.
_frame.Struct.UpdateWriterStructure(this);
// Restore old frame.
_frame = oldFrame;
}