/** Replaces the current {@link Node} by another one. */
private void replaceBy(Node newNode) throws ServletException, IOException {
final Jenkins app = Jenkins.getInstance();
// replace the old Node object by the new one
synchronized (app) {
List<Node> nodes = new ArrayList<Node>(app.getNodes());
int i = nodes.indexOf(getNode());
if (i < 0) {
throw new IOException(
"This slave appears to be removed while you were editing the configuration");
}
nodes.set(i, newNode);
app.setNodes(nodes);
}
}
