Added the SecurityIdentity::operator<() method

common/dataStructures/SecurityIdentity.cpp

@@ -50,6 +50,17 @@ bool SecurityIdentity::operator!=(const SecurityIdentity &rhs) const {
   return !operator==(rhs);
 }
 
+//------------------------------------------------------------------------------
+// operator<
+//------------------------------------------------------------------------------
+bool SecurityIdentity::operator<(const SecurityIdentity &rhs) const {
+  if(username == rhs.username) {
+    return host < rhs.host;
+  } else {
+    return username < rhs.username;
+  }
+}
+
 //------------------------------------------------------------------------------
 // operator<<
 //------------------------------------------------------------------------------

common/dataStructures/SecurityIdentity.hpp

@@ -41,6 +41,8 @@ struct SecurityIdentity {
 
   bool operator!=(const SecurityIdentity &rhs) const;
 
+  bool operator<(const SecurityIdentity &rhs) const;
+
   std::string username;
   std::string host;