public void setSelected(final String nodeName) {
        selectedNodeName = nodeName;
        selectionModel.clear();

        if (nodeName != null && nodeNameToNodeStatusMap != null) {
            final NodeStatusResult nodeStatusResult = nodeNameToNodeStatusMap.get(nodeName);
            if (nodeStatusResult != null) {
                selectionModel.setSelected(nodeStatusResult);
            } else {
                selectionModel.clear();
            }
        }
    }
Add the columns to the table.
stroom-core-client/src/main/java/stroom/node/client/presenter/NodeListPresenter.java