ignore bridge methods in generified use cases

[lestephane]

When I use a generified use case:

public interface GenericMethodInterface<I, O> {
    O invoke(I request);
}

public class GenericMethodUseCase implements GenericMethodInterface<String, String> {
    @Override
    public String invoke(final String in) {
        return in.replace("in", "out");
    }
}

I can't (no pun intended) use it. The use-case method lookup logic in SinglePublicUseCaseMethodCaller sees two methods

• The generic method
• The bridge method associated with the generic method (whassat?, wait, what?)

And throws the exception:

java.lang.IllegalArgumentException: Use case classes must have 1 instance method.
Found the methods[
public java.lang.String pkg.GenericMethodUseCase.invoke(java.lang.String),
public java.lang.Object pkg.GenericMethodUseCase.invoke(java.lang.Object)
]for class class pkg.GenericMethodUseCase

The fix is simple, but for the life of me, the test suite is so complex I could not write
a test in the same style as what exists there already.

Instead I added a shim by making a production method package-private and calling
that method directly from a simple unit test.