#ifndef ALICDBGRID_H
#define ALICDBGRID_H

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

/////////////////////////////////////////////////////////////////////
//                                                                 //
//  class AliCDBGrid						   //
//  access class to a DataBase in an AliEn storage  		   //
//                                                                 //
/////////////////////////////////////////////////////////////////////

#include "AliCDBStorage.h"
#include "AliCDBManager.h"
#include "AliCDBMetaData.h"

class AliCDBGrid: public AliCDBStorage {
  friend class AliCDBGridFactory;

  public:

  virtual Bool_t IsReadOnly() const {return kFALSE;}
  virtual Bool_t HasSubVersion() const {return kFALSE;}
  virtual Bool_t Contains(const char* path) const;
  virtual Bool_t IdToFilename(const AliCDBId& id, TString& filename) const;
  virtual void SetRetry(Int_t nretry, Int_t initsec);
  virtual void SetMirrorSEs(const char* mirrors) {fMirrorSEs=mirrors;}
  virtual const char* GetMirrorSEs() const {return fMirrorSEs;}


  protected:

  virtual AliCDBEntry*	GetEntry(const AliCDBId& queryId);
  virtual AliCDBId*	GetEntryId(const AliCDBId& queryId);
  virtual TList* 		GetEntries(const AliCDBId& queryId);
  virtual Bool_t          PutEntry(AliCDBEntry* entry, const char* mirrors="");
  virtual TList* 		GetIdListFromFile(const char* fileName);

  private:

  AliCDBGrid(const char *gridUrl, const char *user, const char* dbFolder,
      const char *se, const char* cacheFolder, Bool_t operateDisconnected,
      Long64_t cacheSize, Long_t cleanupInterval);

  virtual ~AliCDBGrid();

  AliCDBGrid(const AliCDBGrid& db);
  AliCDBGrid& operator = (const AliCDBGrid& db);

  Bool_t FilenameToId(TString& filename, AliCDBId& id);

  Bool_t PrepareId(AliCDBId& id);
  AliCDBId* GetId(const TObjArray& validFileIds, const AliCDBId& query);
  AliCDBEntry* GetEntryFromFile(TString& filename, AliCDBId* dataId);
  Bool_t PutInCvmfs(TString &fullFilename, TFile *cdbFile) const;

  // TODO  use AliEnTag classes!
  Bool_t AddTag(TString& foldername, const char* tagname);
  Bool_t TagFileId(TString& filename, const AliCDBId* id);
  Bool_t TagFileMetaData(TString& filename, const AliCDBMetaData* md);
  Bool_t TagShortLived(TString& filename, Bool_t value);

  void MakeQueryFilter(Int_t firstRun, Int_t lastRun, const AliCDBMetaData* md, TString& result) const;

  virtual void QueryValidFiles();

  TString    fGridUrl;	 // Grid Url ("alien://aliendb4.cern.ch:9000")
  TString    fUser;	 // User
  TString    fDBFolder;    // path of the DB folder
  TString    fSE;	  	 // Storage Element
  TString    fMirrorSEs;	 // Mirror Storage Elements
  TString    fCacheFolder; // local cache folder
  Bool_t     fOperateDisconnected; // Operate disconnected flag
  Long64_t   fCacheSize;           // local cache size (in bytes)
  Long_t     fCleanupInterval;     // local cache cleanup interval

  ClassDef(AliCDBGrid, 0)      // access class to a DataBase in an AliEn storage
};

/////////////////////////////////////////////////////////////////////
//                                                                 //
//  class AliCDBGridFactory					   //
//                                                                 //
/////////////////////////////////////////////////////////////////////

class AliCDBGridFactory: public AliCDBStorageFactory {

  public:

    virtual Bool_t Validate(const char* gridString);
    virtual AliCDBParam* CreateParameter(const char* gridString);
    virtual ~AliCDBGridFactory(){}

  protected:
    virtual AliCDBStorage* Create(const AliCDBParam* param);

    ClassDef(AliCDBGridFactory, 0);
};

/////////////////////////////////////////////////////////////////////
//                                                                 //
//  class AliCDBGridParam					   //
//                                                                 //
/////////////////////////////////////////////////////////////////////

class AliCDBGridParam: public AliCDBParam {

  public:
    AliCDBGridParam();
    AliCDBGridParam(const char* gridUrl, const char* user,
        const char* dbFolder, const char* se,
        const char* cacheFolder, Bool_t operateDisconnected,
        Long64_t cacheSize, Long_t cleanupInterval);

    virtual ~AliCDBGridParam();

    const TString& GridUrl() const {return fGridUrl;}
    const TString& GetUser() const {return fUser;}
    const TString& GetDBFolder() const {return fDBFolder;}
    const TString& GetSE() 	 const {return fSE;}
    const TString& GetCacheFolder() const {return fCacheFolder;}
    Bool_t  GetOperateDisconnected() const {return fOperateDisconnected;}
    Long64_t  GetCacheSize() const {return fCacheSize;}
    Long_t  GetCleanupInterval() const {return fCleanupInterval;}

    virtual AliCDBParam* CloneParam() const;

    virtual ULong_t Hash() const;
    virtual Bool_t IsEqual(const TObject* obj) const;

  private:
    TString  fGridUrl;     // Grid url "Host:port"
    TString  fUser;	      // User
    TString  fDBFolder;    // path of the DB folder
    TString  fSE;	      // Storage Element
    TString  fCacheFolder; // Cache folder
    Bool_t   fOperateDisconnected; // Operate disconnected flag
    Long64_t fCacheSize;           // local cache size (in bytes)
    Long_t   fCleanupInterval;     // local cache cleanup interval

    ClassDef(AliCDBGridParam, 0);
};


#endif