@Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((cachedPath == null) ? 0 : cachedPath.hashCode());
        result = prime * result + ((lastChecked == null) ? 0 : lastChecked.hashCode());
        result = prime * result + ((linkStatus == null) ? 0 : linkStatus.hashCode());
        result = prime * result + ((url == null) ? 0 : url.hashCode());
        result = prime * result + ((anchorKey == null) ? 0 : anchorKey.hashCode());
        return result;
    }