Ok, solved my immediate problem, the ContactDetailId needs to have a
no argument constructor also.
public class ContactDetailId implements IsSerializable{
private String id;
public ContactDetailId(){
}
public ContactDetailId(String id){
this.id = id;
}
public String getId(){
return id;
}
}
On Feb 13, 6:02 pm, Michael Dausmann <[email protected]> wrote:
> Hi
>
> Trying to build out the Ray Ryan best practices sample in GWT 2.0 ,
> having trouble with the action(command)/response objects, containing
> array list instances. This is Ray's sample........
>
> package com.play.client;
>
> import java.util.ArrayList;
>
> public class GetDetails implements Action<GetDetailsResponse> {
> private final ArrayList<ContactDetailId> ids;
>
> public GetDetails(ArrayList<ContactDetailId> ids){
> this.ids = ids;
> }
>
> public ArrayList<ContactDetailId> getIds(){
> return ids;
> }
>
> }
>
> This is my latest try..........
>
> public class GetDetailsAction implements Action<GetDetailsResponse>,
> IsSerializable {
> private ArrayList<ContactDetailId> ids;
>
> public GetDetailsAction(){
> }
>
> public GetDetailsAction(ArrayList<ContactDetailId> ids){
> this.ids = ids;
> }
>
> public ArrayList<ContactDetailId> getIds(){
> return ids;
> }
>
> }
>
> public class ContactDetailId implements IsSerializable{
> private String id;
> public ContactDetailId(String id){
> this.id = id;
> }
> public String getId(){
> return id;
> }
>
> }
>
> To Explain my changes, I have:-
>
> * Changed the name because I felt like it
>
> * Added a no-parameter constructor because "[ERROR] [testgwt]
> com.play.client.Action<T> has no available instantiable subtypes.
> (reached via com.play.client.Action<T>)"
>
> * Removed the final modifier from the id's intance member because
> '[WARN] [testgwt] Field 'private final
> java.util.ArrayList<com.play.client.ContactDetailId> ids' will not be
> serialized because it is final'
>
> My sample runs but I now get a
> com.google.gwt.user.client.rpc.SerializationException when I try to
> pass an action instance via RPC as per the talk...
>
> Any Clues? Have I missed some embarrassing and obvious point? All of
> the 'reference' implementations pass simple types and skirt the
> ArrayList thing.
>
> Michael
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