code: public void updateSingleEntry(final CmsUUID entryId) {
  
          CmsRpcAction<CmsClientSitemapEntry> getChildrenAction = new CmsRpcAction<CmsClientSitemapEntry>() {
  
              /**
              * @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
              */
              @Override
              public void execute() {
  
                  getService().getChildren(getEntryPoint(), entryId, 0, this);
              }
  
              /**
              * @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
              */
              @Override
              public void onResponse(CmsClientSitemapEntry result) {
  
                  CmsClientSitemapEntry target = getEntryById(entryId);
                  if (target == null) {
                      // this might happen after an automated deletion
                      stop(false);
                      return;
                  }
                  target.update(result);
                  CmsSitemapTreeItem item = CmsSitemapTreeItem.getItemById(target.getId());
                  item.updateEntry(target);
              }
          };
          getChildrenAction.execute();
      }
docs: Updates the given entry only, not evaluating any child changes.<p>
  
  @param entryId the entry id