Allen RICH decoding

Goes with Allen!1145 (merged) and Moore!2171 (merged)

Rich/RichFutureDAQ/include/RichFutureDAQ/RichPDMDBDecodeMapping.h

@@ -54,11 +54,16 @@ namespace Gaudi {
 
 namespace Rich::Future::DAQ {
 
+  namespace Allen {
+    class PDMDBDecodeMapping;
+  }
+
   // overloads for vectors etc.
   using GaudiUtils::operator<<;
 
   /// Helper class for RICH PDMDB readout mapping
   class PDMDBDecodeMapping final {
+    friend class Allen::PDMDBDecodeMapping;
 
   private:
     // types
@@ -291,4 +296,26 @@ namespace Rich::Future::DAQ {
     Rich::AllocateCount<PDMDBDecodeMapping> m_track_instances;
   };
 
+  // Convertor to Allen data format, suitable for GPU processing
+  namespace Allen {
+    class PDMDBDecodeMapping final {
+      using RTypeRichData = Rich::Future::DAQ::PDMDBDecodeMapping::RTypeRichData;
+      using PDMData       = Rich::Future::DAQ::PDMDBDecodeMapping::PDMData;
+
+      RTypeRichData m_pdmDataR;
+      PDMData       m_pdmDataH;
+      bool          m_isInitialised{false};
+      int           m_mappingVer{-1};
+
+    public:
+      PDMDBDecodeMapping();
+
+      PDMDBDecodeMapping( const Rich::Future::DAQ::PDMDBDecodeMapping& mapping )
+          : m_pdmDataR( mapping.m_pdmDataR )
+          , m_pdmDataH( mapping.m_pdmDataH )
+          , m_isInitialised( mapping.m_isInitialised )
+          , m_mappingVer( mapping.m_mappingVer ) {}
+    };
+  } // namespace Allen
+
 } // namespace Rich::Future::DAQ