add CbmLink interfaces to CbmMCEventInfo and CbmMCEventList

core/data/CbmMCEventInfo.h

@@ -10,7 +10,9 @@
 #ifndef CBMMCEVENTINFO_H
 #define CBMMCEVENTINFO_H 1
 
-#include <Rtypes.h>      // for THashConsistencyHolder, ClassDef
+#include "CbmLink.h"
+
+#include <Rtypes.h>  // for THashConsistencyHolder, ClassDef
 
 #include <cstdint>
 #include <string>  // for string
@@ -60,6 +62,10 @@ public:
      **/
   double GetTime() const { return fTime; }
 
+  /** @brief Event file and event indices as CbmLink
+     ** @value Event time [ns]
+     **/
+  CbmLink GetCbmLink() const { return CbmLink(0., -1, fEventId, fFileId); }
 
   /** Status to string **/
   std::string ToString() const;

core/data/CbmMCEventList.cxx

@@ -128,6 +128,15 @@ int32_t CbmMCEventList::GetFileIdByIndex(uint32_t index)
 }
 // ----------------------------------------------------------------------------
 
+// -----   Get file number for event at index in list   -----------------------
+CbmLink CbmMCEventList::GetEventLinkByIndex(uint32_t index)
+{
+  if (!fIsSorted) Sort();
+  if (index >= GetNofEvents()) return CbmLink();
+  return fEvents[index].GetCbmLink();
+}
+// ----------------------------------------------------------------------------
+
 
 // -----   Insert an event   --------------------------------------------------
 bool CbmMCEventList::Insert(uint32_t event, uint32_t file, double time)

core/data/CbmMCEventList.h

@@ -106,6 +106,10 @@ public:
   Int_t GetEventIndex(const CbmLink& link) { return GetEventIndex(link.GetEntry(), link.GetFile()); }
 
 
+  /** @brief Event file and event indices as CbmLink
+     **/
+  CbmLink GetEventLinkByIndex(uint32_t index);
+
   /** @brief Number of events in the list
      ** @value Number of events
      **/