public Set<String> addIncrementalContent(IndependentDistribution content,boolean followPrevious){
  if (!paused) {
    curState.addToState_incremental(content.toDiscrete(),followPrevious);
    return update();
  }
 else {
    log.info("system is paused, ignoring content " + content);
    return Collections.emptySet();
  }
}

public Set < String > addIncrementalContent ( IndependentDistribution content , boolean followPrevious ) { if ( ! paused ) { curState . addToState_incremental ( content . toDiscrete ( ) , followPrevious ) ; return update ( ) ; } else { log . info ( "system is paused, ignoring content " + content ) ; return Collections . emptySet ( ) ; } }
adds the incremental content ( expressed as a distribution over variables ) to the current dialogue state , and subsequently updates it . if followprevious is set to true , the content is concatenated with the current distribution for the variable .
