How to use

getMerge

method

in

net.sf.taverna.t2.workflowmodel.MergeOutputPort

Merge merge = ((MergeOutputPort) source).getMerge();
queue.add(merge);

private void considerNearestUpstream(TokenProcessingEntity investigate) {
  if (investigate instanceof Processor)
    for (Condition condition : ((Processor) investigate)
        .getPreconditionList())
      considerInclusion(condition.getControl());
  for (EventHandlingInputPort inputPort : investigate.getInputPorts()) {
    Datalink incomingLink = inputPort.getIncomingLink();
    if (incomingLink == null)
      continue;
    EventForwardingOutputPort source = incomingLink.getSource();
    if (source instanceof ProcessorOutputPort)
      considerInclusion(((ProcessorOutputPort) source).getProcessor());
    else if (source instanceof MergeOutputPort)
      considerInclusion(((MergeOutputPort) source).getMerge());
    else {
      // Ignore
    }
  }
}

int counter = 0; // counter for merge input port names
if (incomingLink.getSource() instanceof MergeOutputPort) {
  merge = ((MergeOutputPort) incomingLink.getSource()).getMerge();
} else {
  merge = edits.createMerge(dataflow);

int counter = 0; // counter for merge input port names
if (incomingLink.getSource() instanceof MergeOutputPort) {
  merge = ((MergeOutputPort) incomingLink.getSource()).getMerge();
} else {
  merge = edits.createMerge(dataflow);

private void addMergedDatalink(EventForwardingOutputPort sourcePort,
    EventHandlingInputPort sinkPort, Dataflow targetDataflow)
    throws EditException, WorkflowTranslationException {
  Merge merge = null;
  if (sinkPort.getIncomingLink() == null) {
    merge = edits.createMerge(targetDataflow);
    // Add to the dataflow
    edits.getAddMergeEdit(targetDataflow, merge).doEdit();
  } else {
    if (sinkPort.getIncomingLink().getSource() instanceof MergeOutputPort) {
      merge = ((MergeOutputPort) sinkPort.getIncomingLink()
          .getSource()).getMerge();
    } else {
      // FIXME: what to do when a Taverna 1 workflow has 2 inputs to a
      // single port that isn't a merge?? For now throw an exception
      throw new WorkflowTranslationException(
          "Unable to translate a workflow that has multiple un-merged inputs to a single port.");
    }
  }
  edits.getConnectMergedDatalinkEdit(merge, sourcePort, sinkPort)
      .doEdit();
}

if (sinkPort.getIncomingLink().getSource() instanceof MergeOutputPort) {
  merge = ((MergeOutputPort) sinkPort.getIncomingLink()
      .getSource()).getMerge();
} else {
  throw new DeserializationException(

if (sinkPort.getIncomingLink().getSource() instanceof MergeOutputPort) {
  merge = ((MergeOutputPort) sinkPort.getIncomingLink()
      .getSource()).getMerge();
} else {
  throw new DeserializationException(

private void addMergedDatalink(EventForwardingOutputPort sourcePort,
    EventHandlingInputPort sinkPort, Dataflow targetFlow) throws EditException,
    WorkflowTranslationException {
  Merge merge = null;
  if (sinkPort.getIncomingLink() == null) {
    merge = edits.createMerge(sinkPort);
    // Add to the dataflow
    edits.getAddMergeEdit(targetFlow, merge).doEdit();
  } else {
    if (sinkPort.getIncomingLink().getSource() instanceof MergeOutputPort) {
      merge = ((MergeOutputPort) sinkPort.getIncomingLink()
          .getSource()).getMerge();
    } else {
      // FIXME: what to do when a Taverna 1 workflow has 2 inputs to a
      // single port that isn't a merge?? For now throw an exception
      throw new WorkflowTranslationException(
          "Unable to translate a workflow that has multiple un-merged inputs to a single port.");
    }
  }
  edits.getConnectMergedDatalinkEdit(merge, sourcePort, sinkPort)
      .doEdit();
}

assertEquals(0,merge.getOutputPort().getOutgoingLinks().size());
assertSame(merge,((MergeOutputPort)merge.getOutputPort()).getMerge());

assertSame(merge, mergeOutput.getMerge());

assertSame(merge, mergeOutput.getMerge());

assertSame(merge, mergeOutput.getMerge());