}
private void createNodeMap() {
nodeMap = Maps.newHashMap();
KongaTreeNode root = tree.getModel().getRoot();
for (Enumeration<KongaTreeNode> en = root.depthFirstEnumeration(); en.hasMoreElements();) {
KongaTreeNode node = en.nextElement();
Object o = node.getUserObject();
if (o instanceof IntegrationEntity) {
nodeMap.put((IntegrationEntity) o, (CheckBoxNode) node);
}