thanks paul.
On Tue, Sep 8, 2009 at 20:46, Paul Field<paul.fi...@db.com> wrote:
> Hi Andrey,
>
> "Thiago H. de Paula Figueiredo" <thiag...@gmail.com> wrote on 08/09/2009
> 15:51:14:
>
>> Em Tue, 08 Sep 2009 11:27:06 -0300, Andrey Larionov
> <anlario...@gmail.com>
>> escreveu:
>>
>> > No, FactoryBean can create new instance on every call of getObject.
>>
>> Then you can create a new Tapestry-IoC scope (ServiceLifecycle
>> implementation) that creates a new object everytime an injection is
> made.
>
> Do you mean you want a service that acts like a "prototype" bean in
> Spring? You could create a new scope as Thiago suggests but you are likely
> to end up with a service that creates a new underlying object for every
> method call - and that probably isn't what you want.
>
> I suggest simply creating a service that is a Factory; maybe something
> like this:
>
> public final class AppModule {
> public static void bind(ServiceBinder binder) {
> binder.bind(ConnectionFactory.class, ConnectionFactoryWithPool.
> class);
> }
> }
>
>
> public interface ConnectionFactory {
> Connection createConnection();
> }
>
>
> public class ConnectionFactoryWithPool implements ConnectionFactory {
>
> ....
>
> public Conection createConnection() {
> return pool.getConnection();
> }
> }
>
>
> public class MyPage {
> �...@inject
> private ConnectionFactory connectionFactory;
>
> public void myAction() {
> Connection connection = connectionFactory.createConnection();
> try {
> ...
> } finally {
> connection.close();
> }
> }
> }
>
>
> - Paul
>
>
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