ok!thanks a lot! 2015-02-17 15:53 GMT+01:00 Rob Vesse <[email protected]>:
> setMapOutputKeyClass() and setMapOutputValueClass() are standard > Map/Reduce functionality. If the Mapper you use/have created has > different output types than its input types then you need to set these on > your Jobs Configuration object. Same applies should your Reducer have > different output types than its input types. > > The filter configuration is also set on the Job Configuration e.g. > > job.getConfiguration().set(RdfMapReduceConstants.FILTER_SUBJECT_URIS, > "http://example.org/instance,http://example.org/anotherInstance";); > > The documentation has been updated to show examples of this > > Rob > > > On 17/02/2015 09:18, "Carmen Manzulli" <[email protected]> wrote: > > >Hi, > >i have a question about jena elephas and in particular about how to > >execute > >TripleFilterBySubjectUriMapper.class; for now I've created a project with > >jena elephas dependencies and i'm implementing the main class with all > >configuration options; my doubts are about MapOutputkeyclass and > >MapOutputValue class and also how to set > >rdf.mapreduce.filter.subject.uris. is this last one a command > >parameter?if > >yes, i should write a command like: > > > >bin/hadoop jar <path to my jar>file.jar mypackage --output <path output> > >--input-type triples <path input> rdf.mapreduce.filter.subject.uris uri1 > >uri2 ...etc > > > >is it right? > > > >thanks in advance, > >Carmen > > > > >
