How to use

getDepth

method

in

net.sf.taverna.t2.reference.T2Reference

private T2Reference replaceErrors(T2Reference value,
    List<T2Reference> exceptions) {
  return replaceErrors(value, value.getDepth(), exceptions);
}

private T2Reference considerReference(T2Reference value,
    List<T2Reference> exceptions) {
  if (!value.containsErrors()) {
    return value;
  } else if (!value.getReferenceType().equals(IdentifiedList)) {
    return replaceErrors(value, exceptions);
  } else if (exceptionHandling.failLists()) {
    T2Reference failure = findFirstFailure(value);
    T2Reference replacement = replaceErrors(failure, value.getDepth(),
        exceptions);
    return replacement;
  } else {
    IdentifiedList<T2Reference> originalList = listService
        .getList(value);
    List<T2Reference> replacementList = new ArrayList<T2Reference>();
    for (T2Reference subValue : originalList)
      replacementList.add(considerReference(subValue, exceptions));
    return referenceService.register(replacementList, value.getDepth(),
        true, context);
  }
}

/**
 * Returns an Element representing the data item, identfied as either input
 * or output. References to data are currently resolved to their actual
 * values
 */
public static Element getDataItemAsXML(DataProvenanceItem provenanceItem) {
  String name;
  if (provenanceItem.getEventType().equals(SharedVocabulary.INPUTDATA_EVENT_TYPE)) {
    name = "inputdata";
  } else {
    name = "outputdata";
  }
  Element result = new Element(name);
  result.setAttribute("identifier", provenanceItem.getIdentifier());
  result.setAttribute("processID", provenanceItem.getProcessId());
  result.setAttribute("parent", provenanceItem.getParentId());
  for (String port : provenanceItem.getDataMap().keySet()) {
    Element portElement = new Element("port");
    portElement.setAttribute("name", port);
    portElement.setAttribute("depth", Integer.toString(provenanceItem.getDataMap()
        .get(port).getDepth()));
    result.addContent(portElement);
    portElement.addContent(resolveToElement(provenanceItem.getDataMap().get(port), provenanceItem.getReferenceService()));
    Element element = new Element("some_stuff");
    portElement.addContent(element);
  }
  return result;
}

int depth = items.get(0).getDepth();
T2ReferenceListImpl newList = new T2ReferenceListImpl();
int counter = 0;
for (T2Reference ref : items) {
  if (ref.getDepth() != depth) {
    throw new ListServiceException(
        "Mismatched depths in list registration; reference at index '"
            + counter + "' has depth " + ref.getDepth()
            + " but all preceeding items have depth "
            + depth);

int depth = items.get(0).getDepth();
if (depth < 0) {
  throw new ListServiceException("Can't register list of depth less than 1, but first item " + items.get(0) + " has depth " + depth);
int counter = 0;
for (T2Reference ref : items) {
  if (ref.getDepth() != depth) {
    throw new ListServiceException(
        "Mismatched depths in list registration; reference at index '"
            + counter + "' has depth " + ref.getDepth()
            + " but all preceeding items have depth "
            + depth);

int depth = items.get(0).getDepth();
T2ReferenceListImpl newList = new T2ReferenceListImpl();
int counter = 0;
for (T2Reference ref : items) {
  if (ref.getDepth() != depth) {
    throw new ListServiceException(
        "Mismatched depths in list registration; reference at index '"
            + counter + "' has depth " + ref.getDepth()
            + " but all preceeding items have depth "
            + depth);

  return;
if (loopRef.getDepth() != 0) {
  fail("Condition service output " + LOOP_PORT
      + " depth is not 0, but " + loopRef.getDepth());

  return;
if (loopRef.getDepth() != 0) {
  fail("Conditional activity output " + LOOP_PORT
      + " depth is not 0, but " + loopRef.getDepth());

int currentDepth = source.getDepth();
while (currentDepth > desiredDepth) {
  List<ContextualizedT2Reference> newSet = new ArrayList<ContextualizedT2Reference>();

/**
 * Construct a deep copy of the given T2Reference
 * 
 * @param source
 *            T2Reference to copy
 */
private T2ReferenceImpl(T2Reference source) {
  super();
  setNamespacePart(source.getNamespacePart());
  setLocalPart(source.getLocalPart());
  setContainsErrors(source.containsErrors());
  setReferenceType(source.getReferenceType());
  setDepth(source.getDepth());
}

/**
 * Construct a deep copy of the given T2Reference
 * 
 * @param source
 *            T2Reference to copy
 */
private T2ReferenceImpl(T2Reference source) {
  super();
  setNamespacePart(source.getNamespacePart());
  setLocalPart(source.getLocalPart());
  setContainsErrors(source.containsErrors());
  setReferenceType(source.getReferenceType());
  setDepth(source.getDepth());
}

int currentDepth = source.getDepth();
while (currentDepth > desiredDepth) {
  List<ContextualizedT2Reference> newSet = new ArrayList<ContextualizedT2Reference>();

/**
 * Construct a deep copy of the given T2Reference
 * 
 * @param source
 *            T2Reference to copy
 */
private T2ReferenceImpl(T2Reference source) {
  super();
  setNamespacePart(source.getNamespacePart());
  setLocalPart(source.getLocalPart());
  setContainsErrors(source.containsErrors());
  setReferenceType(source.getReferenceType());
  setDepth(source.getDepth());
}

int currentDepth = source.getDepth();
while (currentDepth > desiredDepth) {
  List<ContextualizedT2Reference> newSet = new ArrayList<ContextualizedT2Reference>();

public void pushToken(WorkflowDataToken dt, String owningProcess,
    int desiredDepth) {
  if (dt.getData().getDepth() == desiredDepth) {
    pushData(getName(), owningProcess, dt.getIndex(), dt.getData(), dt
        .getContext());
  } else {
    ReferenceService rs = dt.getContext().getReferenceService();
    Iterator<ContextualizedT2Reference> children = rs.traverseFrom(dt
        .getData(), dt.getData().getDepth() - 1);
    while (children.hasNext()) {
      ContextualizedT2Reference ci = children.next();
      int[] newIndex = new int[dt.getIndex().length
          + ci.getIndex().length];
      int i = 0;
      for (int indx : dt.getIndex()) {
        newIndex[i++] = indx;
      }
      for (int indx : ci.getIndex()) {
        newIndex[i++] = indx;
      }
      pushToken(new WorkflowDataToken(owningProcess, newIndex, ci
          .getReference(), dt.getContext()), owningProcess,
          desiredDepth);
    }
    pushCompletion(getName(), owningProcess, dt.getIndex(), dt
        .getContext());
  }
}

public void pushToken(WorkflowDataToken dt, String owningProcess,
    int desiredDepth) {
  if (dt.getData().getDepth() == desiredDepth) {
    // System.out.println("** Job : "+dt.getData());
    pushData(getName(), owningProcess, dt.getIndex(), dt.getData(), dt
        .getContext());
  } else {
    ReferenceService rs = dt.getContext().getReferenceService();
    Iterator<ContextualizedT2Reference> children = rs.traverseFrom(dt
        .getData(), dt.getData().getDepth() - 1);
    while (children.hasNext()) {
      ContextualizedT2Reference ci = children.next();
      int[] newIndex = new int[dt.getIndex().length
          + ci.getIndex().length];
      int i = 0;
      for (int indx : dt.getIndex()) {
        newIndex[i++] = indx;
      }
      for (int indx : ci.getIndex()) {
        newIndex[i++] = indx;
      }
      pushToken(new WorkflowDataToken(owningProcess, newIndex, ci
          .getReference(), dt.getContext()), owningProcess,
          desiredDepth);
    }
    // System.out.println("** Completion : "+dt.getData());
    pushCompletion(getName(), owningProcess, dt.getIndex(), dt
        .getContext());
  }
}

      "Input depth filter not configured on input port, failing");
} else {
  int tokenDepth = token.getData().getDepth();
  if (tokenDepth == filterDepth) {
    if (filterDepth == getDepth()) {

      "Input depth filter not configured on input port, failing");
} else {
  int tokenDepth = token.getData().getDepth();
  if (tokenDepth == filterDepth) {
    if (filterDepth == getDepth()) {