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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5807) can't 'implement Delayed' compatibly with Sun Java
Date Mon, 05 May 2008 21:57:56 GMT
can't 'implement Delayed' compatibly with Sun Java

                 Key: HARMONY-5807
                 URL: https://issues.apache.org/jira/browse/HARMONY-5807
             Project: Harmony
          Issue Type: Bug
    Affects Versions: 5.0M5
            Reporter: Doug Cutting

In HADOOP-3262 I tried to get Hadoop to compile under Harmony, and ran into a problem.

I can't find a way to get a class that 'implements Delayed' to compile in both Sun Java and


public interface Comparable<T> {
  int compareTo(T o);
public interface Delayed extends Comparable<Delayed> {}

What is the correct signature for compareTo() in a Delayed implementation.  Harmony requires
the first of the following methods, and doesn't mind the second, while Sun permits only the

public class DelayedImpl implements Delayed {
  public int compareTo(Object o);
  public int compareTo(Delayed o);

My guess is that Sun is correct and that this is a bug in Harmony.  Is that right?

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