Thanks for you quick reply:) Best wishes for you:D
On Thu, Nov 29, 2012 at 8:01 PM, Thomas Jungblut <[email protected]>wrote: > Yes, if they are Writable and are part of your vertex message or value > type. > You may want to have a look at MapWritable or other serializable > collections in the org.apache.hadoop.io package. > > 2012/11/29 lee fei <[email protected]> > > > Hi, > > > > I am a newbie to hama,Can Aggregator in graph package store an > Arraylist > > or a HashMap for some special usages? > > > > Thank you for you attention~ > > >
