Hi Tarandeep, MapWritable doesn't implement Comparable, so I think it cannot be used as a key. If u want that functionality, then u have to have a subclass that implements Comparable and there u will define your sorting logic.
Tamer On Thu, May 29, 2008 at 12:51 PM, Tarandeep Singh <[EMAIL PROTECTED]> wrote: > Hi, > > I want to use MapWritable or SortedMapWritable as intermediate key emitted > by Map functions. I want to know how the framework is going to sort and > group such keys. Also how can I provide my own comparator so that the > framework sorts and groups according to my requirement. > > thanks a lot, > Taran > > On Wed, May 28, 2008 at 4:39 PM, Tarandeep Singh <[EMAIL PROTECTED]> > wrote: > > > Hi, > > > > Can someone point me to an example code where > MapWritable/SortedMapWritable > > is used as in intermediate key. I am looking for how to set the > comparator > > for MapWritable/SortedMapwritable so that the framework groups/sorts the > > intermediate keys in accordance to my requirement - sort the intermediate > > Keys (MapWritable objects) based on concatenated value of values in the > > MapWritable object. > > > > Thanks, > > Taran > > > -- Proud to be a follower of the "Best of Mankind" "وَاذْكُرْ رَبَّكَ إِذَا نَسِيتَ وَقُلْ عَسَى أَنْ يَهْدِيَنِي رَبِّي لأقْرَبَ مِنْ هَذَا رَشَدًا"
