Examples of opennlp.model.Event

opennlp.model.Event
The context of a decision point during training. This includes contextual predicates and an outcome.

      while (!parent.getType().equals(AbstractBottomUpParser.TOP_NODE) && parent.getLabel() == null) {
        if (parent.getLabel() == null && !prevParent.getType().equals(parent.getType())) {
          //build level
          if (debug) System.err.println("Build: "+parent.getType()+" for: "+currentChunks[ci]);
          if (etype == ParserEventTypeEnum.BUILD) {
            parseEvents.add(new Event(parent.getType(), buildContextGenerator.getContext(currentChunks, ci)));
          }
          builtNodes.add(off++,parent);
          Parse newParent = new Parse(currentChunks[ci].getText(),currentChunks[ci].getSpan(),parent.getType(),1,0);
          newParent.add(currentChunks[ci],rules);
          newParent.setPrevPunctuation(currentChunks[ci].getPreviousPunctuationSet());
          newParent.setNextPunctuation(currentChunks[ci].getNextPunctuationSet());
          currentChunks[ci].setParent(newParent);
          currentChunks[ci] = newParent;
          newParent.setLabel(Parser.BUILT);
          //see if chunk is complete
          if (lastChild(chunks[ci], parent)) {
            if (etype == ParserEventTypeEnum.CHECK) {
              parseEvents.add(new Event(Parser.COMPLETE, checkContextGenerator.getContext(currentChunks[ci],currentChunks, ci,false)));
            }
            currentChunks[ci].setLabel(Parser.COMPLETE);
            parent.setLabel(Parser.COMPLETE);
          }
          else {
            if (etype == ParserEventTypeEnum.CHECK) {
              parseEvents.add(new Event(Parser.INCOMPLETE, checkContextGenerator.getContext(currentChunks[ci],currentChunks,ci,false)));
            }
            currentChunks[ci].setLabel(Parser.INCOMPLETE);
            parent.setLabel(Parser.COMPLETE);
          }


          chunks[ci] = parent;
          //System.err.println("build: "+newParent+" for "+parent);
        }
        //TODO: Consider whether we need to set this label or train parses at all.
        parent.setLabel(Parser.BUILT);
        prevParent = parent;
        parent = parent.getParent();
      }
      //decide to attach
      if (etype == ParserEventTypeEnum.BUILD) {
        parseEvents.add(new Event(Parser.DONE, buildContextGenerator.getContext(currentChunks, ci)));
      }
      //attach node
      String attachType = null;
      /** Node selected for attachment. */
      Parse attachNode = null;
      int attachNodeIndex = -1;
      if (ci == 0){
        Parse top = new Parse(currentChunks[ci].getText(),new Span(0,currentChunks[ci].getText().length()),AbstractBottomUpParser.TOP_NODE,1,0);
        top.insert(currentChunks[ci]);
      }
      else {
        /** Right frontier consisting of partially-built nodes based on current state of the parse.*/
        List<Parse> currentRightFrontier = Parser.getRightFrontier(currentChunks[0],punctSet);
        if (currentRightFrontier.size() != rightFrontier.size()) {
          System.err.println("fontiers mis-aligned: "+currentRightFrontier.size()+" != "+rightFrontier.size()+" "+currentRightFrontier+" "+rightFrontier);
          System.exit(1);
        }
        Map<Parse, Integer> parents = getNonAdjoinedParent(chunks[ci]);
        //try daughters first.
        for (int cfi=0;cfi<currentRightFrontier.size();cfi++) {
          Parse frontierNode = rightFrontier.get(cfi);
          Parse cfn = currentRightFrontier.get(cfi);
          if (!Parser.checkComplete || !Parser.COMPLETE.equals(cfn.getLabel())) {
            Integer i = parents.get(frontierNode);
            if (debug) System.err.println("Looking at attachment site ("+cfi+"): "+cfn.getType()+" ci="+i+" cs="+nonPunctChildCount(cfn)+", "+cfn+" :for "+currentChunks[ci].getType()+" "+currentChunks[ci]+" -> "+parents);
            if (attachNode == null &&  i != null && i.intValue() == nonPunctChildCount(cfn)) {
              attachType = Parser.ATTACH_DAUGHTER;
              attachNodeIndex = cfi;
              attachNode = cfn;
              if (etype == ParserEventTypeEnum.ATTACH) {
                parseEvents.add(new Event(attachType, attachContextGenerator.getContext(currentChunks, ci, currentRightFrontier, attachNodeIndex)));
              }
              //System.err.println("daughter attach "+attachNode+" at "+fi);
            }
          }
          else {
            if (debug) System.err.println("Skipping ("+cfi+"): "+cfn.getType()+","+cfn.getPreviousPunctuationSet()+" "+cfn+" :for "+currentChunks[ci].getType()+" "+currentChunks[ci]+" -> "+parents);
          }
          // Can't attach past first incomplete node.
          if (Parser.checkComplete && cfn.getLabel().equals(Parser.INCOMPLETE)) {
            if (debug) System.err.println("breaking on incomplete:"+cfn.getType()+" "+cfn);
            break;
          }
        }
        //try sisters, and generate non-attach events.
        for (int cfi=0;cfi<currentRightFrontier.size();cfi++) {
          Parse frontierNode = rightFrontier.get(cfi);
          Parse cfn = currentRightFrontier.get(cfi);
          if (attachNode == null && parents.containsKey(frontierNode.getParent())
              && frontierNode.getType().equals(frontierNode.getParent().getType())
              ){ //&& frontierNode.getParent().getLabel() == null) {
            attachType = Parser.ATTACH_SISTER;
            attachNode = cfn;
            attachNodeIndex = cfi;
            if (etype == ParserEventTypeEnum.ATTACH) {
              parseEvents.add(new Event(Parser.ATTACH_SISTER, attachContextGenerator.getContext(currentChunks, ci, currentRightFrontier, cfi)));
            }
            chunks[ci].getParent().setLabel(Parser.BUILT);
            //System.err.println("in search sister attach "+attachNode+" at "+cfi);
          }
          else if (cfi == attachNodeIndex) {
            //skip over previously attached daughter.
          }
          else {
            if (etype == ParserEventTypeEnum.ATTACH) {
              parseEvents.add(new Event(Parser.NON_ATTACH, attachContextGenerator.getContext(currentChunks, ci, currentRightFrontier, cfi)));
            }
          }
          //Can't attach past first incomplete node.
          if (Parser.checkComplete && cfn.getLabel().equals(Parser.INCOMPLETE)) {
            if (debug) System.err.println("breaking on incomplete:"+cfn.getType()+" "+cfn);
            break;
          }
        }
        //attach Node
        if (attachNode != null) {
          if (attachType == Parser.ATTACH_DAUGHTER) {
            Parse daughter = currentChunks[ci];
            if (debug) System.err.println("daughter attach a="+attachNode.getType()+":"+attachNode+" d="+daughter+" com="+lastChild(chunks[ci], rightFrontier.get(attachNodeIndex)));
            attachNode.add(daughter,rules);
            daughter.setParent(attachNode);
            if (lastChild(chunks[ci], rightFrontier.get(attachNodeIndex))) {
              if (etype == ParserEventTypeEnum.CHECK) {
                parseEvents.add(new Event(Parser.COMPLETE, checkContextGenerator.getContext(attachNode,currentChunks,ci,true)));
              }
              attachNode.setLabel(Parser.COMPLETE);
            }
            else {
              if (etype == ParserEventTypeEnum.CHECK) {
                parseEvents.add(new Event(Parser.INCOMPLETE, checkContextGenerator.getContext(attachNode,currentChunks,ci,true)));
              }
            }
          }
          else if (attachType == Parser.ATTACH_SISTER) {
            Parse frontierNode = rightFrontier.get(attachNodeIndex);
            rightFrontier.set(attachNodeIndex,frontierNode.getParent());
            Parse sister = currentChunks[ci];
            if (debug) System.err.println("sister attach a="+attachNode.getType()+":"+attachNode+" s="+sister+" ap="+attachNode.getParent()+" com="+lastChild(chunks[ci], rightFrontier.get(attachNodeIndex)));
            Parse newParent = attachNode.getParent().adjoin(sister,rules);


            newParent.setParent(attachNode.getParent());
            attachNode.setParent(newParent);
            sister.setParent(newParent);
            if (attachNode == currentChunks[0]) {
              currentChunks[0]= newParent;
            }
            if (lastChild(chunks[ci], rightFrontier.get(attachNodeIndex))) {
              if (etype == ParserEventTypeEnum.CHECK) {
                parseEvents.add(new Event(Parser.COMPLETE, checkContextGenerator.getContext(newParent,currentChunks,ci,true)));
              }
              newParent.setLabel(Parser.COMPLETE);
            }
            else {
              if (etype == ParserEventTypeEnum.CHECK) {
                parseEvents.add(new Event(Parser.INCOMPLETE, checkContextGenerator.getContext(newParent,currentChunks,ci,true)));
              }
              newParent.setLabel(Parser.INCOMPLETE);
            }


          }

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    if (fun) {
      Parse.useFunctionTags(true);
    }
    opennlp.model.EventStream es = new ParserEventStream(new ParseSampleStream(new PlainTextByLineStream(new java.io.InputStreamReader(System.in))), rules, etype, dict);
    while (es.hasNext()) {
      Event e = es.next();
      if (model != null) {
        System.out.print(model.eval(e.getContext())[model.getIndex(e.getOutcome())]+" ");
      }
      System.out.println(e);
    }
  }

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      // it is safe to pass the tags as previous tags because
      // the context generator does not look for non predicted tags
      String[] context = cg.getContext(i, sentence, tags, null);


      events.add(new Event(tags[i], context));
    }
    return events;
  }

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      events = new Event[sample.getSentence().length];
      String[] toksArray = sample.getSentence();
      String[] tagsArray = sample.getTags();
      String[] predsArray = sample.getPreds();
      for (int ei = 0, el = events.length; ei < el; ei++) {
        events[ei] = new Event(predsArray[ei], cg.getContext(ei,toksArray,tagsArray,predsArray));
      }
    }
    else {
      events = new Event[0];
    }

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    return eventStream.hasNext();
  }


  public Event next() throws IOException {
    
    Event event = eventStream.next();
    
    try {
      digest.update(event.toString().getBytes("UTF-8"));
    }
    catch (UnsupportedEncodingException e) {
      throw new IllegalStateException("UTF-8 encoding is not available!", e);
    }

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          }
        }
      }
    }
    for (int ti = 0, tl = toks.size(); ti < tl; ti++) {
      chunkEvents.add(new Event(preds.get(ti), chunkerContextGenerator.getContext(ti, toks.toArray(new String[toks.size()]), tags.toArray(new String[tags.size()]), preds.toArray(new String[preds.size()]))));
    }
  }

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          preds.add(tok.getType());
        }
      }
    }
    for (int ti = 0, tl = toks.size(); ti < tl; ti++) {
      tagEvents.add(new Event(preds.get(ti), tagContextGenerator.getContext(ti,
          toks.toArray(new String[toks.size()]), preds.toArray(new String[preds.size()]), null)));
    }
  }

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  private void addEvent(boolean same, Context np1, Context np2) {
    if (same) {
      List<String> feats = getFeatures(np1, np2);
      //System.err.println(SAME+" "+np1.headTokenText+" ("+np1.id+") -> "+np2.headTokenText+" ("+np2.id+") "+feats);
      events.add(new Event(SAME, feats.toArray(new String[feats.size()])));
    }
    else {
      List<String> feats = getFeatures(np1, np2);
      //System.err.println(DIFF+" "+np1.headTokenText+" ("+np1.id+") -> "+np2.headTokenText+" ("+np2.id+") "+feats);
      events.add(new Event(DIFF, feats.toArray(new String[feats.size()])));
    }
  }

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   */
  public void trainModel() throws IOException {
    if (debugOn) {
      FileWriter writer = new FileWriter(modelName+".events");
      for (Iterator<Event> ei=events.iterator();ei.hasNext();) {
        Event e = ei.next();
        writer.write(e.toString()+"\n");
      }
      writer.close();
    }
    (new SuffixSensitiveGISModelWriter(GIS.trainModel(
        new CollectionEventStream(events),100,10),

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    return eventStream.hasNext();
  }


  public Event next() throws IOException {
    
    Event event = eventStream.next();
    
    try {
      digest.update(event.toString().getBytes("UTF-8"));
    }
    catch (UnsupportedEncodingException e) {
      throw new IllegalStateException(e);
    }

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