From 1649eefd657efda304e3d20d2d252ad0fa01670c Mon Sep 17 00:00:00 2001
From: Bence Magyar <bence.magyar.robotics@gmail.com>
Date: Mon, 14 Dec 2020 12:06:50 +0000
Subject: [PATCH] get_node() throw if node is uninitialized (#268)

---
 controller_interface/src/controller_interface.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/controller_interface/src/controller_interface.cpp b/controller_interface/src/controller_interface.cpp
index 30e63b07fb..d151cb9a1d 100644
--- a/controller_interface/src/controller_interface.cpp
+++ b/controller_interface/src/controller_interface.cpp
@@ -144,6 +144,9 @@ void ControllerInterface::release_interfaces()
 std::shared_ptr<rclcpp::Node>
 ControllerInterface::get_node()
 {
+  if (!node_.get()) {
+    throw std::runtime_error("Node hasn't been initialized yet!");
+  }
   return node_;
 }