public FaunusPipeline path ( ) { this . state . assertNotLocked ( ) ; this . state . assertNoProperty ( ) ; this . compiler . addMap ( PathMap . Map . class , NullWritable . class , Text . class , PathMap . createConfiguration ( this . state . getElementType ( ) ) ) ; this . state . lock ( ) ; makeMapReduceString ( PathMap . class ) ; return this ; }
Emit the path taken from start to current element .