public override void SchemaCompleted()
{
toStrGetterExpression = ToStringExpressionVisitor.GetToString <T>(this.Constructor, s => s.ToString());
toStrGetter = toStrGetterExpression.Compile();
if (this.subTables != null)
{
foreach (var item in this.subTables)
{
item.SchemaCompleted();
}
}
}
public static Expression <Func <PrimaryKey, string> > GetToString <T>(CachedTableConstructor constructor, Expression <Func <T, string> > lambda)
{
Table table = (Table)constructor.table;
var param = lambda.Parameters.SingleEx();
if (param.Type != table.Type)
{
throw new InvalidOperationException("incorrect lambda paramer type");
}
var pk = Expression.Parameter(typeof(PrimaryKey), "pk");
var root = new CachedEntityExpression(pk, typeof(T), constructor, null, null);
var visitor = new ToStringExpressionVisitor(param, root);
var result = visitor.Visit(lambda.Body);
return(Expression.Lambda <Func <PrimaryKey, string> >(result, pk));
}
