public IEnumerable <QueryToken> GetAllTokens(QueryToken parent)
{
var info = metas.GetOrAdd(parent, qt =>
{
Expression <Func <T, V> > lambda = t => ValueSelector.Evaluate(CollectionSelector.Evaluate(t).SingleOrDefaultEx() !);
Expression e = MetadataVisitor.JustVisit(lambda, MetaExpression.FromToken(qt, typeof(T)));
var result = new ExtensionRouteInfo();
if (e is MetaExpression me && me.Meta is CleanMeta cm && cm.PropertyRoutes.Any())
{
var cleanType = me !.Type.CleanType();
result.PropertyRoute = cm.PropertyRoutes.Only();
result.Implementations = me.Meta.Implementations;
result.Format = ColumnDescriptionFactory.GetFormat(cm.PropertyRoutes);
result.Unit = ColumnDescriptionFactory.GetUnit(cm.PropertyRoutes);
}
return(result);
});
protected internal virtual ExtensionToken CreateToken(QueryToken parent)
{
var info = metas.GetOrAdd(parent, qt =>
{
Expression e = MetadataVisitor.JustVisit(Lambda, MetaExpression.FromToken(qt, SourceType));
MetaExpression me;
if (this.IsProjection)
{
var mpe = e as MetaProjectorExpression;
if (mpe == null)
{
mpe = MetadataVisitor.AsProjection(e);
}
me = mpe == null ? null : mpe.Projector as MetaExpression;
}
else
{
me = e as MetaExpression;
}
CleanMeta cm = me == null ? null : me.Meta as CleanMeta;
var result = new ExtensionRouteInfo();
if (cm != null && cm.PropertyRoutes.Any())
{
var cleanType = me.Type.CleanType();
result.PropertyRoute = cm.PropertyRoutes.Only();
result.Implementations = me.Meta.Implementations;
result.Format = ColumnDescriptionFactory.GetFormat(cm.PropertyRoutes);
result.Unit = ColumnDescriptionFactory.GetUnit(cm.PropertyRoutes);
}
result.IsAllowed = () => (me == null || me.Meta == null) ? null : me.Meta.IsAllowed();
if (ForcePropertyRoute != null)
{
result.PropertyRoute = ForcePropertyRoute;
}
if (ForceImplementations != null)
{
result.Implementations = ForceImplementations;
}
if (ForceFormat != null)
{
result.Format = ForceFormat;
}
if (ForceUnit != null)
{
result.Unit = ForceUnit;
}
if (ForceIsAllowed != null)
{
result.IsAllowed = ForceIsAllowed;
}
return(result);
});
return(new ExtensionToken(parent, Key, Type, IsProjection, info.Unit, info.Format, info.Implementations, info.IsAllowed(), info.PropertyRoute)
{
DisplayName = NiceName()
});
}