X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/788c2bda47c06816d2ba4f2d00033ae66a31e5d9..2738598c9f876339ee6f8b3fc217984b7b837539:/src/surf/PropertyHolder.cpp

diff --git a/src/surf/PropertyHolder.cpp b/src/surf/PropertyHolder.cpp
index a5bd8024c8..bf262b9e1e 100644
--- a/src/surf/PropertyHolder.cpp
+++ b/src/surf/PropertyHolder.cpp
@@ -5,6 +5,8 @@
 
 #include "PropertyHolder.hpp"
 
+#include <map>
+
 namespace simgrid {
 namespace surf {
 
@@ -26,12 +28,29 @@ void PropertyHolder::set_property(const std::string& key, const std::string& val
 }
 
 /** @brief Return the whole set of properties. Don't mess with it, dude! */
-std::unordered_map<std::string, std::string>* PropertyHolder::get_properties()
+const std::unordered_map<std::string, std::string>* PropertyHolder::get_properties()
 {
   if (not properties_)
     properties_.reset(new std::unordered_map<std::string, std::string>);
   return properties_.get();
 }
 
+/** @brief Change the value of the given keys in the property set */
+template <class Assoc> void PropertyHolder::set_properties(const Assoc& properties)
+{
+  if (not properties_)
+    properties_.reset(new std::unordered_map<std::string, std::string>);
+  std::unordered_map<std::string, std::string> props(properties.cbegin(), properties.cend());
+#if __cplusplus >= 201703L
+  props.merge(properties_);
+#else
+  props.insert(properties_->cbegin(), properties_->cend());
+#endif
+  properties_->swap(props);
+}
+
+template void PropertyHolder::set_properties(const std::map<std::string, std::string>& properties);
+template void PropertyHolder::set_properties(const std::unordered_map<std::string, std::string>& properties);
+
 } /* namespace surf */
 } /* namespace simgrid */