How to use

removeOutgoingSequenceEdge

method

in

jadex.bpmn.model.MActivity

/**
 *  Helper method disconnecting this edge.
 */
public void disconnect()
{
  if (this.source != null)
  {
    this.source.removeOutgoingSequenceEdge(this);
  }
  
  if (this.target != null)
  {
    this.target.removeIncomingSequenceEdge(this);
  }
  
  this.source = null;
  this.target = null;
}

/**
 *  Helper method connecting two activities using this edge.
 *  The previous connection is removed.
 * 
 *  @param source New source of the edge.
 *  @param target New target of the edge.
 */
public void connect(MActivity source, MActivity target)
{
  if (this.source != null)
  {
    this.source.removeOutgoingSequenceEdge(this);
  }
  
  if (this.target != null)
  {
    this.target.removeIncomingSequenceEdge(this);
  }
  
  this.source = source;
  this.target = target;
  
  source.addOutgoingSequenceEdge(this);
  target.addIncomingSequenceEdge(this);
}
 

  entry.getValue().getSource().removeOutgoingSequenceEdge((MSequenceEdge) entry.getValue());
if (entry.getValue().getTarget() != null)
  entry.getValue().getTarget().removeIncomingSequenceEdge((MSequenceEdge) entry.getValue());

/**
 *  Sets the source.
 */
public void setSource(mxICell source)
{
  if (getBpmnElement() != null)
  {
    MSequenceEdge medge = (MSequenceEdge) getBpmnElement();
    if (getSource() != null)
    {
      ((MActivity) ((VActivity) getSource()).getBpmnElement()).removeOutgoingSequenceEdge(medge);
      medge.setSource(null);
    }
    
    if (source != null)
    {
      MActivity msource = (MActivity) ((VActivity) source).getBpmnElement();
      msource.addOutgoingSequenceEdge(medge);
    
      medge.setSource(msource);
    }
  }
  super.setSource(source);
}

medge.getSource().removeOutgoingSequenceEdge(medge);
medge.getTarget().removeIncomingSequenceEdge(medge);
modelcontainer.setDirty(true);