On Aug 13, 6:27 pm, zhaoyi <[email protected]> wrote:
> Below is my code. When I running this program, I will get an error
> "Could not find a suitable constructor in java.lang.Integer. Classes
> must have either one (and only one) constructor annotated with @Inject
> or a zero-argument constructor that is not private.". How can I pass a
> parameter to the provider?
Instead of using a provider, write a regular factory class that
provides the requested value. Although you must code the factory by
hand, you can inject values into it. For example,
public class ImplFactory {
@Inject Provider<Imple1> imple1Provider;
@Inject Provider<Imple2> imple2Provider;
public Interface1 create(int type) {
return type == 1 ? imple1Provider.get() : imple2Provider.get();
}
}
In your client code, simply inject this factory.
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