SameEventTypeLinker.java 文件源码

private ResponseLinking linkResponses(final Symbol docId,
    final Iterable<Response> responses) {
  final Predicate<Response> HasRelevantRealis =
      compose(in(realisesWhichMustBeAligned), ResponseFunctions.realis());
  final ImmutableSet<Response> systemResponsesAlignedRealis =
      FluentIterable.from(responses).filter(HasRelevantRealis).toSet();

  final Multimap<Symbol, Response> responsesByEventType =
      Multimaps.index(systemResponsesAlignedRealis, ResponseFunctions.type());

  final ImmutableSet.Builder<ResponseSet> ret = ImmutableSet.builder();

  for (final Collection<Response> responseSet : responsesByEventType.asMap().values()) {
    ret.add(ResponseSet.from(responseSet));
  }

  return ResponseLinking.builder().docID(docId).addAllResponseSets(ret.build()).build();
}