Add method Factory::isCreatorRegistered()

include/core/common/factory.h

@@ -305,6 +305,7 @@ class Factory
     public:
         static bool registerCreator(const std::string& _type, CreatorCallback createFn);
         static bool unregisterCreator(const std::string& _type);
+        static bool isCreatorRegistered(const std::string& _type);
         static TypeBasePtr create(const std::string& _type, TypeInput... _input);
         std::string getClass() const;
         static void printAddress();
@@ -356,6 +357,12 @@ inline bool Factory<TypeBase, TypeInput...>::unregisterCreator(const std::string
     return get().callbacks_.erase(_type) == 1;
 }
 
+template<class TypeBase, typename... TypeInput>
+inline bool Factory<TypeBase, TypeInput...>::isCreatorRegistered(const std::string& _type)
+{
+    return get().callbacks_.count(_type) == 1;
+}
+
 template<class TypeBase, typename... TypeInput>
 inline typename Factory<TypeBase, TypeInput...>::TypeBasePtr Factory<TypeBase, TypeInput...>::create(const std::string& _type, TypeInput... _input)
 {

test/gtest_factory.cpp

@@ -44,6 +44,19 @@ TEST(TestFactory, DummyObjectFactory)
   DummyObjectDerived obj_derived = DummyObjectDerived("AnotherCoolDummyObject", server);
 }
 
+TEST(TestFactory, isCreatorRegistered)
+{
+    ParserYaml   parser = ParserYaml("test/yaml/params_basic.yaml", wolf_root);
+    ParamsServer server = ParamsServer(parser.getParams());
+
+    bool object_creator_registered = FactoryDummyObject::isCreatorRegistered("DummyObjectDerived");
+
+    ASSERT_TRUE(object_creator_registered);
+
+    // FORCE LOADING
+    DummyObjectDerived obj_derived = DummyObjectDerived("AnotherCoolDummyObject", server);
+}
+
 int main(int argc, char **argv)
 {
   testing::InitGoogleTest(&argc, argv);