public static IIndexedNode NewParentPath(IIndexedNode next, QCon constraint)
{
if (!CanFollowParent(constraint))
{
return(null);
}
return(new Db4objects.Db4o.Internal.Fieldindex.IndexedPath((QConObject)constraint
.Parent(), next));
}
public static IIndexedNode NewParentPath(IIndexedNode next, QCon constraint)
{
if (!CanFollowParent(constraint))
{
return(null);
}
return(new IndexedPath((QConObject)constraint
.Parent(), next));
}
private bool HaveSamePath(QCon x, QCon y)
{
if (x == y)
{
return(true);
}
if (!x.OnSameFieldAs(y))
{
return(false);
}
if (!x.HasParent())
{
return(!y.HasParent());
}
return(HaveSamePath(x.Parent(), y.Parent()));
}
private static bool CanFollowParent(QCon con)
{
QCon parent = con.Parent();
FieldMetadata parentField = GetYapField(parent);
if (null == parentField)
{
return(false);
}
FieldMetadata conField = GetYapField(con);
if (null == conField)
{
return(false);
}
return(parentField.HasIndex() && parentField.FieldType().IsAssignableFrom(conField
.ContainingClass()));
}