void UpdateNeedsFreeContent(Type type, ref NeedsFreeContent needsFreeContent)
{
//decides upon current version (null for object types never stored in DB)
var tableInfo = ((ObjectDB)_objectDB).TablesInfo.FindByType(type);
var needsContentPartial = tableInfo?.IsFreeContentNeeded(tableInfo.ClientTypeVersion) ?? NeedsFreeContent.Unknown;
Extensions.UpdateNeedsFreeContent(needsContentPartial, ref needsFreeContent);
}
Tuple <NeedsFreeContent, Action <IInternalObjectDBTransaction, DBObjectMetadata, AbstractBufferedReader, IList <ulong> > > CreateFreeContent(uint version)
{
var method = ILBuilder.Instance.NewMethod <Action <IInternalObjectDBTransaction, DBObjectMetadata,
AbstractBufferedReader, IList <ulong> > >($"FreeContent_{Name}_{version}");
var ilGenerator = method.Generator;
var tableVersionInfo = _tableVersions.GetOrAdd(version, (ver, tableInfo) => tableInfo._tableInfoResolver.LoadTableVersionInfo(tableInfo._id, ver, tableInfo.Name), this);
var needsFreeContent = NeedsFreeContent.No;
var anyNeedsCtx = tableVersionInfo.NeedsCtx();
if (anyNeedsCtx)
{
ilGenerator.DeclareLocal(typeof(IReaderCtx));
ilGenerator
.Ldarg(0)
.Ldarg(2)
.Ldarg(3)
.Newobj(() => new DBReaderWithFreeInfoCtx(null, null, null))
.Stloc(0);
}
for (int fi = 0; fi < tableVersionInfo.FieldCount; fi++)
{
var srcFieldInfo = tableVersionInfo[fi];
Action <IILGen> readerOrCtx;
if (srcFieldInfo.Handler.NeedsCtx())
{
readerOrCtx = il => il.Ldloc(0);
}
else
{
readerOrCtx = il => il.Ldarg(2);
}
Extensions.UpdateNeedsFreeContent(srcFieldInfo.Handler.FreeContent(ilGenerator, readerOrCtx), ref needsFreeContent);
}
ilGenerator.Ret();
return(Tuple.Create(needsFreeContent, method.Create()));
}