public int CompareTo(object obj)
{
MXRecord mx_other = (MXRecord)obj;
if (mx_other.preference_ < preference_ || mx_other.preference_ > preference_)
{
return(-1);
}
// order mail servers of same preference by name
return(-mx_other.domain_name_.CompareTo(domain_name_));
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
// must be of the same class type
MXRecord mx_other = obj as MXRecord;
if (mx_other == null)
{
return(false);
}
// preference and domain name must match
if (mx_other.preference_ != preference_ || mx_other.domain_name_ != domain_name_)
{
return(false);
}
return(true);
}