Description Michael Yelsukov 2006-07-06 16:12:39 EDT

I just upgraded from 3.1.1 to 3.2.0 Build id: M20060629-1905
The code that used to compile OK in 3.1.1 is now generating a compilation error.

It might be a flavor of Bug#100869

I have:

public interface IFilter<T> {
    <E extends T> boolean select(E obj);
    <E extends T> List<E> filter(List<E> elements);
}

public abstract class AbstractFilter<T> implements IFilter<T>
{
    public final <E extends T> boolean select(E obj) {
       return true; // For simplicity
    }

    public final <E extends T> List<E> filter(List<E> elements) {
        if ((elements == null) || (elements.size() == 0)) {
            return elements;
        }

        List<E> okElements = new ArrayList<E>(elements.size());

        for (E obj : elements) {
            if (select(obj)) {
                okElements.add(obj);
            }
        }
        return okElements;
    }
}

I am gettin the error:
The method select(E) is ambiguous for the type AbstractFilter<T>
for the line where I am calling select() in the loop;

The fix will be highly appreciated.