Thanks!
Ofcourse you're right!
I was confused (because I used to templates in C++ - where compiler
generates different type for each generic object instead of "cheating" like
here).
(a link for those who are interested in more details:
http://www.mindview.net/WebLog/log-0050
http://www.mindview.net/WebLog/log-0050 )
Unfortunately that means to me that I have to abandon my very elegant
solution to handle different types binding.
I have no clue how to do it in different way (Probably I will be forced to
create my custom class manually
for every possible type of value plus converters for all those types?).
I would like to have automatic conversion of values to proper types (because
I know concrete types only at runtime). For example I have table row of data
with columns
[Integer, String, Date, Integer]
(those types are known only at runtime) and I would like to bind this row to
appropriate form fields (form would be also generated in dynamic way basing
on row contents).
Or maybe there is a way to simulate C++ template behavior using reflections
for example? Has anybody tried similar approach?
Best Regards
Maciej Pestka
Andrew Robinson-5 wrote:
>
> Yes your code:
> class ValueWrapper<T>{
> private T value;
> public void setValue(T value){
> this.value = value;
> }
> public T getValue() {
> return this.value;
> }
> }
>
> Actually looks like this to the JRE (I'm pretty sure):
> class ValueWrapper{
> private Object value;
> public void setValue(Object value){
> this.value = value;
> }
> public Object getValue() {
> return this.value;
> }
> }
>
> Only the compiler knows what type of object your code wants.
>
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