#ifndef ALI_SHUTTLE_TRIGGER_H
#define ALI_SHUTTLE_TRIGGER_H

/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */

//
// This class is to deal with DAQ LogBook and DAQ end run notification.
// It executes AliShuttle for retrieval of conditions data.
// For more info see AliShuttleTrigger.cxx
//

#include <TObject.h>
#include <TSysEvtHandler.h>
#include <TMutex.h>
#include <TCondition.h>


class AliCDBStorage;
class AliShuttle;
class AliShuttleConfig;

class AliShuttleTrigger;
class DATENotifier;

class TerminateSignalHandler: public TSignalHandler {
	
public:
	TerminateSignalHandler(): TSignalHandler((ESignals) 0,0), fTrigger(0) { }
	TerminateSignalHandler(AliShuttleTrigger* trigger, ESignals signal):
		TSignalHandler(signal, kFALSE), fTrigger(trigger) {}

	virtual ~TerminateSignalHandler() { }
	virtual Bool_t Notify();

private:

	TerminateSignalHandler(const TerminateSignalHandler& other); 	
	TerminateSignalHandler& operator= (const TerminateSignalHandler& other); 	

	AliShuttleTrigger* fTrigger;  // pointer to the current AliShuttleTrigger

	ClassDef(TerminateSignalHandler, 0)
};

class AliShuttleTrigger: public TObject {
public:
	AliShuttleTrigger(const AliShuttleConfig* config, UInt_t timeout = 5000, Int_t retries = 5);
	~AliShuttleTrigger();

	AliShuttle* GetShuttle() {return fShuttle;}

	Bool_t Collect(Int_t run);
	Bool_t CollectNew();
	Bool_t CollectAll();

  Bool_t SetNewLastRun(Int_t run);

	virtual Bool_t Notify();
	void Terminate();

	void Run();

private:

	AliShuttleTrigger(const AliShuttleTrigger& other);
	AliShuttleTrigger& operator= (const AliShuttleTrigger& other);

	class AliShuttleTriggerDATEEntry: public TObject {
	public:
		AliShuttleTriggerDATEEntry(Int_t run, UInt_t startTime, UInt_t endTime):
			fRun(run), fStartTime(startTime), fEndTime(endTime) {}

		Int_t GetRun() const {return fRun;}
		UInt_t GetStartTime() const  {return fStartTime;}
		UInt_t GetEndTime() const {return fEndTime;}

	private:
		Int_t fRun;   		// Run number
		UInt_t fStartTime; 	// Run start time
		UInt_t fEndTime; 	// Run end time
		ClassDef(AliShuttleTriggerDATEEntry, 0)
	};

	Bool_t RetrieveDATEEntries(const char* whereClause, TObjArray& entries);
	Bool_t RetrieveConditionsData(const TObjArray& dateEntries, Bool_t updateLastRun);

  Bool_t ReadLastRun();
  Bool_t WriteLastRun();

	const AliShuttleConfig* fConfig;
	//AliCDBStorage* fLocalStorage;

	AliShuttle* fShuttle; 		// Pointer to the actual Shuttle instance

	Bool_t fNotified;  		// Notified flag
	Bool_t fTerminate; 		// Terminate flag

	Int_t fLastRun;	// last sucessfully processed run

	TMutex fMutex;  		// Mutex
	TCondition fCondition;  	// Condition 

	TerminateSignalHandler fQuitSignalHandler; 		// Quit signal 
	TerminateSignalHandler fInterruptSignalHandler;  	// Interrupt signal


	ClassDef(AliShuttleTrigger, 0)
};

#endif