Hi All,
Checking out Guice and I love it. I currently have problem where guice
solved it by injecting all the required dependencies I need. But I wonder
if I am using Guice in the wrong way. What I require though is define
bindings depending on specific instance. And to achieve this I passed the
instance in the module.
For instance, consider the following (somewhat similar to my problem):
public class CustomerModule extends AbstractModule {
private Customer customer;
public CustomerModule(Customer customer){
this.customer = customer;
}
@Override
public void configure() {
bind(ReportGenerator.class).to(HtmlReportGenerator.class);
}
@Provides
Account providePurchasingAccount() {
return customer.getPurchasingAccount();
}
}
And I use this module to get Account dependency injected to the report
generator class that needs the account of a specific customer. For example,
a user chooses a specific customer and say, wants to show a generated
report. I have method like
public void printReport (Customer customer){
Injector injector = Guice.createInjector(new CustomerModule(customer));
ReportGenerator reportGenerator = injector.getInstance(ReportGenerator.
class);
showReport(reportGenerator.generate())
}
Once the work is done, I am done with this module.
Is this a ok use of guice?
BTW the above example was inspired
by https://github.com/google/guice/wiki/InjectOnlyDirectDependencies but
perhaps my related question is, how does the "providePurchasingAccount"
gets a specific Customer?
thanks for you help guys!
Mashrur
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