private DefaultPortableReader CreateReader(IBufferObjectDataInput input, int factoryId, int classId, int version,
int portableVersion)
{
var effectiveVersion = version;
if (version < 0)
{
effectiveVersion = _context.GetVersion();
}
var cd = _context.LookupClassDefinition(factoryId, classId, effectiveVersion);
if (cd == null)
{
var begin = input.Position();
cd = _context.ReadClassDefinition(input, factoryId, classId, effectiveVersion);
input.Position(begin);
}
DefaultPortableReader reader;
if (portableVersion == effectiveVersion)
{
reader = new DefaultPortableReader(this, input, cd);
}
else
{
reader = new MorphingPortableReader(this, input, cd);
}
return(reader);
}
/// <exception cref="System.IO.IOException"/>
private IPortable Read(IBufferObjectDataInput @in, int factoryId, int classId)
{
int version = @in.ReadInt();
IPortable portable = CreateNewPortableInstance(factoryId, classId);
int portableVersion = FindPortableVersion(factoryId, classId, portable);
DefaultPortableReader reader = CreateReader(@in, factoryId, classId, version, portableVersion);
portable.ReadPortable(reader);
reader.End();
return(portable);
}
