From 6781216bcfa265464401655f5177de1b2fe25084 Mon Sep 17 00:00:00 2001
From: Frank Gaede <frank.gaede@desy.de>
Date: Sun, 22 Sep 2013 12:32:41 +0000
Subject: [PATCH] - asbstract factory interface
---
DDG4/include/DDG4/G4SDFactory.h | 53 +++++++++++++++++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 DDG4/include/DDG4/G4SDFactory.h
diff --git a/DDG4/include/DDG4/G4SDFactory.h b/DDG4/include/DDG4/G4SDFactory.h
new file mode 100644
index 000000000..6542780f2
--- /dev/null
+++ b/DDG4/include/DDG4/G4SDFactory.h
@@ -0,0 +1,53 @@
+// $Id: $
+//====================================================================
+// AIDA Detector description implementation
+//--------------------------------------------------------------------
+//
+// Author : F.Gaede, DESY
+//
+//====================================================================
+#ifndef DD4HEP_G4SDFactory_H
+#define DD4HEP_G4SDFactory_H
+
+
+#include <string>
+
+namespace DD4hep { namespace Geometry { class LCDD ; } }
+class G4VSensitiveDetector ;
+
+/* DD4hep namespace declaration */
+namespace DD4hep { namespace Simulation {
+
+
+ /** @class G4SDFactory G4SDFactory.h DDG4/G4SDFactory.h
+ * Abstract factory base class for createion of G4VSensitiveDetectors
+ *
+ * @author F.Gaede, DESY
+ * @version $Id:$
+ */
+ class G4SDFactory {
+
+ public:
+
+ /** Implement this to create a new SD with name, initialized with the information in lcdd */
+ virtual G4VSensitiveDetector* createSD( const std::string& name, DD4hep::Geometry::LCDD& lcdd )=0 ;
+
+ } ;
+
+
+ /** Simpleimplementation of factory for SDs that have a c'tor of the form
+ * T( const std::string& name, DD4hep::Geometry::LCDD& lcdd )
+ */
+ template <class T>
+ class SimpleG4SDFactory : public G4SDFactory {
+
+ virtual G4VSensitiveDetector* createSD( const std::string& name, DD4hep::Geometry::LCDD& lcdd ){
+ return new T( name, lcdd ) ;
+ }
+ } ;
+
+
+ } // End namespace Simulation
+} // End namespace DD4hep
+
+#endif // DD4HEP_GEANT4SENSITIVEDETECTOR_H
--
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