Explicitly register type object in ContentFilteredTopicExample (#3594) (

#3659) Signed-off-by: Miguel Company <[email protected]> (cherry picked from commit c2b2d4d) Co-authored-by: Miguel Company <[email protected]>
eProsima · Aug 8, 2023 · c73b3e4 · c73b3e4
1 parent d8f19e1
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diff --git a/examples/cpp/dds/ContentFilteredTopicExample/ContentFilteredTopicExamplePublisher.cpp b/examples/cpp/dds/ContentFilteredTopicExample/ContentFilteredTopicExamplePublisher.cpp
@@ -29,10 +29,16 @@
 #include <fastdds/dds/publisher/qos/DataWriterQos.hpp>
 #include <fastdds/dds/publisher/qos/PublisherQos.hpp>
 
+#include "HelloWorldTypeObject.h"
+
 using namespace eprosima::fastdds::dds;
 
 bool ContentFilteredTopicExamplePublisher::init()
 {
+    // The default filter class requires the TypeObject to be registered
+    // (see https://fast-dds.docs.eprosima.com/en/latest/fastdds/dds_layer/topic/contentFilteredTopic/createContentFilteredTopic.html)
+    registerHelloWorldTypes();
+
     // Initialize internal variables
     matched_ = 0;
 

diff --git a/examples/cpp/dds/ContentFilteredTopicExample/ContentFilteredTopicExampleSubscriber.cpp b/examples/cpp/dds/ContentFilteredTopicExample/ContentFilteredTopicExampleSubscriber.cpp
@@ -27,11 +27,17 @@
 #include <fastdds/dds/subscriber/qos/DataReaderQos.hpp>
 #include <fastdds/dds/subscriber/SampleInfo.hpp>
 
+#include "HelloWorldTypeObject.h"
+
 using namespace eprosima::fastdds::dds;
 
 bool ContentFilteredTopicExampleSubscriber::init(
         bool custom_filter)
 {
+    // The default filter class requires the TypeObject to be registered
+    // (see https://fast-dds.docs.eprosima.com/en/latest/fastdds/dds_layer/topic/contentFilteredTopic/createContentFilteredTopic.html)
+    registerHelloWorldTypes();
+
     // Initialize internal variables
     matched_ = 0;