Cy3 task which updates the current visual style but has threading issues

gistfile1.java

final class MyTask extends AbstractTask
{
    private final CyNetworkView networkView;
    private final VisualStyle style;
    private boolean lockedNodeView = false;
    private boolean lockedEdgeView = false;

    @Override
    public void run(final TaskMonitor taskMonitor)
    {
      decorateNode(node);
      decorateEdge(edge);
      // ...
      undecorateNode(node);
      undecorateEdge(edge);
    }

//...

    private void decorateNode(final CyNode node)
    {
        View<CyNode> nodeView = networkView.getNodeView(node);
        if (!nodeView.isValueLocked(BasicVisualLexicon.NODE_FILL_COLOR))
        {
            lockedNodeView = true;
            nodeView.setLockedValue(BasicVisualLexicon.NODE_FILL_COLOR, decorate);
            style.apply(networkView);
            networkView.updateView();
        }
    }

    private void undecorateNode(final CyNode node)
    {
        View<CyNode> nodeView = networkView.getNodeView(node);
        if (lockedNodeView && nodeView.isValueLocked(BasicVisualLexicon.NODE_FILL_COLOR))
        {
            lockedNodeView = false;
            nodeView.clearValueLock(BasicVisualLexicon.NODE_FILL_COLOR);
            style.apply(networkView);
            networkView.updateView();
        }
    }

    private void decorateEdge(final CyEdge edge)
    {
        View<CyEdge> edgeView = networkView.getEdgeView(edge);
        if (!edgeView.isValueLocked(BasicVisualLexicon.EDGE_STROKE_UNSELECTED_PAINT))
        {
            lockedEdgeView = true;
            edgeView.setLockedValue(BasicVisualLexicon.EDGE_STROKE_UNSELECTED_PAINT, decorate);
            style.apply(networkView);
            networkView.updateView();
        }
    }

    private void undecorateEdge(final CyEdge edge)
    {
        View<CyEdge> edgeView = networkView.getEdgeView(edge);
        if (lockedEdgeView && edgeView.isValueLocked(BasicVisualLexicon.EDGE_STROKE_UNSELECTED_PAINT))
        {
            lockedEdgeView = false;
            edgeView.clearValueLock(BasicVisualLexicon.EDGE_STROKE_UNSELECTED_PAINT);
            style.apply(networkView);
            networkView.updateView();
        }
    }