private void ReadProperty(int index, out IProperty property, out object?value)
{
var isDefaultValue = (index & BinaryEntityEntry.DefaultValueFlag) == BinaryEntityEntry.DefaultValueFlag;
if (isDefaultValue)
{
index &= ~BinaryEntityEntry.DefaultValueFlag;
}
index = BinaryEntityEntry.DecodePropertyIndex(index);
property = EnsureEntityType( ).FindProperty(index);
if (!isDefaultValue)
{
value = Reader.Read(Nullable.GetUnderlyingType(property.ClrType) ?? property.ClrType);
}
else
{
value = property.GetDefaultValue( );
}
}
public bool ReadNavigationState([NotNullWhen(true)] out INavigation?navigated)
{
navigated = null;
if (Navigation != null)
{
if (Navigation.MoveNext( ))
{
navigated = Navigation.Current;
return(true);
}
else
{
return(false);
}
}
if (ReadIndex == null)
{
ReadIndex = Reader.Read <int> ( );
}
var index = ReadIndex.Value;
if (index == BinaryEntityEntry.EndMarker)
{
return(false);
}
if (index != BinaryEntityEntry.NavigationMarker)
{
throw new InvalidOperationException( );
}
var navigation = Reader.Read <byte []> ( );
if (navigation == null)
{
throw new InvalidOperationException( );
}
var navigations = new List <INavigation> ( );
for (var block = 0; block < navigation.Length; block++)
{
var bits = navigation [block];
for (var bit = 0; bit < 8; bit++)
{
var shift = 1 << bit;
if ((bits & shift) == shift)
{
var navigationIndex = BinaryEntityEntry.DecodeNavigationIndex(block * 8 + bit);
navigations.Add(EnsureEntityType( ).FindNavigation(navigationIndex));
}
}
}
Navigation = navigations.GetEnumerator( );
return(ReadNavigationState(out navigated));
}
