public boolean isVisible()

in ruta-core/src/main/java/org/apache/uima/ruta/RutaStream.java [1049:1103]
53 lines of code
24 McCabe index (conditional complexity)

  public boolean isVisible(AnnotationFS annotationFS, boolean ignoreWindow) {
    if (annotationFS == null) {
      return false;
    }
    if (annotationFS.getBegin() >= annotationFS.getEnd()) {
      return false;
    }

    AnnotationFS windowAnnotation = filter.getWindowAnnotation();
    if (!ignoreWindow && windowAnnotation != null
            && (annotationFS.getBegin() < windowAnnotation.getBegin()
                    || annotationFS.getEnd() > windowAnnotation.getEnd())) {
      return false;
    }
    int begin = annotationFS.getBegin();
    int end = annotationFS.getEnd();
    Set<Type> currentHiddenTypes = filter.getCurrentHiddenTypes();
    RutaBasic beginAnchor = getBeginAnchor(begin);
    if (beginAnchor != null) {
      if (beginAnchor.isEmpty() && emptyIsInvisible) {
        return false;
      }
      for (Type type : currentHiddenTypes) {
        boolean partOf = beginAnchor.isPartOf(type);
        if (partOf) {
          return false;
        }
      }
    }
    RutaBasic endAnchor = getEndAnchor(end);
    if (endAnchor != null) {
      if (endAnchor.isEmpty() && emptyIsInvisible) {
        return false;
      }
      for (Type type : currentHiddenTypes) {
        boolean partOf = endAnchor.isPartOf(type);
        if (partOf) {
          return false;
        }
      }
    }
    if (beginAnchor == null && endAnchor == null) {
      // missing segmentation in RutaBasics maybe because of temp annotation?
      Entry<Integer, RutaBasic> floorEntry = beginAnchors.floorEntry(Integer.valueOf(begin));
      Entry<Integer, RutaBasic> ceilingEntry = endAnchors.ceilingEntry(Integer.valueOf(end));
      if (floorEntry != null && ceilingEntry != null) {
        for (Type type : currentHiddenTypes) {
          if (floorEntry.getValue().isPartOf(type) || ceilingEntry.getValue().isPartOf(type)) {
            return false;
          }
        }
      }
    }
    return true;
  }