#ifndef TGO4EVENTFACTORY_H
#define TGO4EVENTFACTORY_H

#include "TNamed.h"

class TGo4EventElement;
class TGo4EventProcessor;
class TGo4EventStore;
class TGo4EventSource;
class TGo4EventProcessorParameter;
class TGo4EventStoreParameter;
class TGo4EventSourceParameter;

/**
 * Abstract factory for the event related classes. A concrete subclass of this
 * base class is used by the actual analysis to build the experiment specialized
 * classes and structures in the initialization phase. For example, raw event,
 * raw event storage class, raw event source,....
 * Parameter objects of the factory methods may be used to switch between different
 * plug-ins on the fly; definition is left to the user.
 * @stereotype abstractfactory
 * @author J. Adamczewski
 * @since 1/2001
 */
class TGo4EventFactory : public TNamed {
 public:

   TGo4EventFactory(const char* name);

   TGo4EventFactory();

   virtual ~TGo4EventFactory();

   virtual TGo4EventElement * CreateInputEvent() =0;

   virtual TGo4EventSource * CreateEventSource(TGo4EventSourceParameter* par) =0;

   virtual TGo4EventElement * CreateOutputEvent() =0;

   virtual TGo4EventStore * CreateEventStore(TGo4EventStoreParameter* par) =0;

   virtual TGo4EventProcessor * CreateEventProcessor(TGo4EventProcessorParameter* par) =0;

 ClassDef(TGo4EventFactory,1)
};

#endif //TGO4EVENTFACTORY_H