On Wed, Jan 14, 2009 at 10:17 PM, Rick <[email protected]> wrote:
>
>
> On Wed, Jan 14, 2009 at 3:23 PM, Robbie Vanbrabant <
> [email protected]> wrote:
>
>> I think the more elegant solution (Guice 2.0) would be to use private
>> modules:
>>
>> http://google-guice.googlecode.com/svn/trunk/latest-javadoc/com/google/inject/PrivateModule.html
>>
>> Avoiding work in modules is almost always a good thing, explained here:
>>
>> http://code.google.com/p/google-guice/wiki/ModulesShouldBeFastAndSideEffectFree
>>
>> Hope this helps
>> Robbie
>>
>>
>
> I'm confused how I would go about doing this not in a module (I'd go with
> guice2 but I'm worried about the testing stuff and not sure it'll work with
> 2. I'm using the mycila stuff with TestNG.) My module looks like:
>
> @Override
> protected void configure() {
>
> SqlMapClient guiSqlClient =
> DaoUtil.loadSqlMapClient("sqlMapConfig-gui.xml");
> SqlMapClient ndaSqlClient =
> DaoUtil.loadSqlMapClient("sqlMapConfig-nda.xml");
>
>
> bind(SqlMapClient.class).annotatedWith(Names.named("GUI")).toInstance(guiSqlClient);
>
> bind(SqlMapClient.class).annotatedWith(Names.named("NDA")).toInstance(ndaSqlClient);
>
> How would I do this outside of my module?
>
Rough Guice 2.0 example (quickly coded in gmail):
Usage:
new DaoModule() {
@Override
protected void customBindings() {
expose(BaseDao.class).annotatedWith(Gui.class).to(...);
bindConstant().annotatedWith(Names.named("xml")).to(xml);
}
}
Implementation:
abstract class DaoModule extends PrivateModule {
void configure() {
customBindings();
}
@Provides
public SqlMapClient provideSqlMapClient(@Named("xml") String xml) {
return DaoUtil.loadSqlMapClient(xml);
}
abstract void customBindings();
}
You could also do something similar with Guice 1.0, but it will require more
code because you need to use more binding annotations.
Hope this helps,
Robbie
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