Thanks for your suggestion , I think writing a customized inputFormat like DBInputFormat is what I need .
Regards ddream 2008/10/27 Mice <[EMAIL PROTECTED]> > I think both of your solution work. > Saving the result into a file is trivial. In related to process the > ResultSet as Input , you need to write your customized inputFormat. > > If your web service provides splitable results, it is similiar to read > from a DB; you can check DBInputFormat in trunk > > > http://svn.apache.org/viewvc/hadoop/core/trunk/src/mapred/org/apache/hadoop/mapred/lib/db/DBInputFormat.java?view=markup > > Regards > Mice > > 2008/10/27 ZhiHong Fu <[EMAIL PROTECTED]>: > > Hello : > > > > In hadoop InputFormat are always based on the InputFileFormat , > > But Now I will get data from a web service application. The data will be > > wrapped as ResultSet type. Now I am wandering " should I write the > > ResultSet to a file And then read out to do mapreduce job. Or How can I > > process the ResultSet as Input of the MapReduce Job, and How should I > define > > the InputFormat" Any suggestions are welcome , thanks! > > >
