private Action <Filter, Filter> LogicalBuilder(LogicalFilter filter)
{
switch (filter.Logical)
{
case LogicalOperatorString.And:
return(AndAlso);
case LogicalOperatorString.Or:
return(OrElse);
default: throw new NotSupportedException($"Logical operator '{filter.Logical}' not supported.");
}
}
private Func <Filter, Filter, FilterExpressionBuilder <T> > LogicalBuilder(LogicalFilter filter)
{
switch (filter.Logical)
{
case LogicalOperatorString.And:
return(AndAlso);
case LogicalOperatorString.Or:
return(OrElse);
default:
throw new NotSupportedException($"Logical operator not supported: {filter.Logical}.");
}
}
public override void Visit(LogicalFilter filter) => LogicalBuilder(filter)(filter.Left, filter.Right);
