libRTI/ieee1516-2010/HandleImplementation.cpp |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/libRTI/ieee1516-2010/HandleImplementation.cpp b/libRTI/ieee1516-2010/HandleImplementation.cpp
index e5c80a3..21e89d3 100644
--- a/libRTI/ieee1516-2010/HandleImplementation.cpp
+++ b/libRTI/ieee1516-2010/HandleImplementation.cpp
@@ -26,6 +26,7 @@
 #include <sstream>
 #include <cstring>
 #include <stdint.h>
+#include <functional>
 #include "HandleImplementation.h"
 #include "RTIvariableLengthDataImplementation.h"
 
@@ -82,6 +83,22 @@ bool HandleImplementation::isValid() const
         return true;
 }
 
+/* Generate a hash value for use in storing handles in a  */
+/* in a hash table.                                       */
+/* Note: The hash value may not be unique across two      */
+/* separate handle values but it will be equal given two  */
+/* separate instances of the same handle value.           */
+/* H1 == H2 implies H1.hash() == H2.hash()                */
+/* H1 != H2 does not imply H1.hash() != H2.hash()         */
+long HandleImplementation::hash () const   
+{
+	//from <functional>
+	// more details at http://www.cplusplus.com/reference/functional/hash/
+	//should think about a non-c++11 approch if needed
+	std::hash<std::wstring> localhash;
+	return localhash(toString());
+}
+
 /* Generate an encoded value that can be used to send     */
 /* handles to other federates in updates or interactions. */
 VariableLengthData HandleImplementation::encode() const