From 2dcbfac502f112c85ff5259b30f189301a0e66d7 Mon Sep 17 00:00:00 2001
From: Henry Moore <henry.moore@picknik.ai>
Date: Mon, 16 Sep 2024 22:11:30 +0000
Subject: [PATCH] implement pure virtual waitable functions as in
 https://github.com/ros2/system_tests/pull/548

---
 fuse_core/include/fuse_core/callback_wrapper.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fuse_core/include/fuse_core/callback_wrapper.hpp b/fuse_core/include/fuse_core/callback_wrapper.hpp
index 0d6532823..59aa6076e 100644
--- a/fuse_core/include/fuse_core/callback_wrapper.hpp
+++ b/fuse_core/include/fuse_core/callback_wrapper.hpp
@@ -187,6 +187,12 @@ class CallbackAdapter : public rclcpp::Waitable
 
   void removeAllCallbacks();
 
+  void set_on_ready_callback(std::function<void(size_t, int)>) override {}
+  void clear_on_ready_callback() override {}
+  std::shared_ptr<void> take_data_by_entity_id(size_t) override {
+    return nullptr;
+  }
+
 private:
   rcl_guard_condition_t gc_;  //!< guard condition to drive the waitable