Examples of edu.stanford.nlp.pipeline.Annotator$Requirement

edu.stanford.nlp.pipeline.Annotator
The Requirement is a general way of describing the pre and post conditions of an Annotator running. Typical use is to have constants for the different requirement types, such as the TOKENIZE_REQUIREMENT below, and to reuse those constants instead of creating new objects. It is also possible to subclass Requirement if an Annotator has a more general output. For example, one could imagine a TsurgeonAnnotator which has a wide range of possible effects; this would probably subclass Requirement to indicate which particular surgery it provided.
We do nothing to override the equals or hashCode methods. This means that two Requirements are equal iff they are the same object. We do not want to use name to decide equality because a subclass that uses more information, such as the particular kind of tsurgeon used in a hypothetical TsurgeonAnnotator, cannot use a stricter equals() than the superclass. It is hard to get stricter than ==.

    return sents.get(0).get(TreeCoreAnnotations.TreeAnnotation.class);
  }


  private Annotator getParser() {
    if(parserProcessor == null){
      Annotator parser = StanfordCoreNLP.getExistingAnnotator("parse");
      if (parser == null) {
        // TODO: these assertions rule out the possibility of alternately named parse/pos annotators
        throw new AssertionError("Failed to get parser - this should not be possible");
      }
      if (parser.requires().contains(Annotator.POS_REQUIREMENT)) {
        Annotator tagger = StanfordCoreNLP.getExistingAnnotator("pos");
        if (tagger == null) {
          throw new AssertionError("Parser required tagger, but failed to find the pos annotator");
        }
        List<Annotator> annotators = Generics.newArrayList();
        annotators.add(tagger);

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      Properties props = getTimeAnnotatorProperties(request);
      String annotatorType = request.getParameter("annotator");
      if (annotatorType == null) {
        annotatorType = "sutime";
      }
      Annotator timeAnnotator = pipeline.getTimeAnnotator(annotatorType, props);
      if (timeAnnotator != null) {
        Annotation anno = pipeline.process(query, dateString, timeAnnotator);
        out.println("<h3>Annotated Text</h3> <em>(tagged using " + annotatorType + "</em>)");
        displayAnnotation(out, query, anno, includeOffsets);
      } else {

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    return anno;
  }


  static public void main(String[] args) throws IOException {
    SUTimePipeline pipeline = new SUTimePipeline();
    Annotator timeAnnotator = pipeline.getTimeAnnotator("sutime", new Properties());
    BufferedReader is = new BufferedReader(new InputStreamReader(System.in));
    System.out.print("> ");
    for(String line; (line = is.readLine()) != null; ){
      Annotation ann = pipeline.process(line, null, timeAnnotator);
      System.out.println(ann.get(TimeAnnotations.TimexAnnotations.class));

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edu.stanford.nlp.dcoref.RuleBasedCorefMentionFinder

edu.stanford.nlp.time.suservlet.SUTimePipeline

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