AliExternalInfo.h

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#ifndef ALIEXTERNALINFO_H
#define ALIEXTERNALINFO_H





#include <map>

#include "TString.h"

// forward declarations
class TTree;
class TChain;

class AliExternalInfo : public TObject {
public:
  AliExternalInfo (TString localStorageDirectory = ".", TString configLocation = "", Int_t verbose=1/*, Bool_t copyToLocalStorage = kTRUE*/);
  virtual ~AliExternalInfo();
  void ReadConfig( TString configLocation = "$ALICE_ROOT/STAT/Macros/AliExternalInfo.cfg", Int_t verbose=0);
  void PrintConfig();
  void   PrintConfigSelected(const char *expName="", const char *expValue="");
  Bool_t Cache(TString type="", TString period = "", TString pass=""); // Downloads the tree in the working directory
  Bool_t CacheMC()                                                      {return Cache("MonALISA.MC", "", "");}
  Bool_t CacheRCT(TString period, TString pass)                         {return Cache("MonALISA.RCT", period, pass);}
  Bool_t CacheDataQA(TString detector, TString period, TString pass)    {return Cache("QA." + detector, period, pass);}
  Bool_t CacheLogbook(TString period)                                   {return Cache("Logbook", period, "");}
  Bool_t CacheTriggerClasses(TString period)                            {return Cache("TriggerClasses", period, "");}
  Bool_t CacheProdCycle()                                               {return Cache("MonALISA.ProductionCycle", "", "");}
  Bool_t CacheCPass()                                                   {return Cache("MonALISA.ProductionCPass", "", "");}
  Bool_t CacheProdCycleByID(TString ID)                                 {return Cache("MonALISA.ProductionCycleID", ID, "");}
  static void CacheProduction(TPRegexp select, TPRegexp reject, TString sourceList);

  TTree* GetTree(TString type, TString period, TString pass, Int_t buildIndex=1);
  TTree* GetTree(TString type, TString period, TString pass, TString friendList);
  TTree* GetTreeMC()                                                    {return GetTree("MonALISA.MC", "", "");}
  // TTree* GetTreeMC(TString period = "", TString anchorYear = "", TString productionTag = "") {return GetTree("MonALISA.MC", "", "");} // deprecated; not supported anymore
  TTree* GetTreeRCT(TString period, TString pass)                       {return GetTree("MonALISA.RCT", period, pass);}
  TTree* GetTreeDataQA(TString detector, TString period, TString pass)  {return GetTree("QA." + detector, period, pass);}
  TTree* GetTreeLogbook(TString period)                                 {return GetTree("Logbook", period, "");}
  TTree* GetTreeTriggerClasses(TString period)                          {return GetTree("TriggerClasses", period, "");}
  TTree* GetTreeProdCycle()                                             {return GetTree("MonALISA.ProductionCycle", "", "");}
  TTree* GetTreeCPass()                                                 {return GetTree("MonALISA.ProductionCPass", "", "");}
  TTree* GetTreeProdCycleByID(TString ID)                               {return GetTree("MonALISA.ProductionCycleID", ID, "");}
  TTree* GetCPassTree(const char * period, const  char *pass);
  TTree *GetProductionTree(TString period, TString pass);
  
  TTree*  GetTreeAliVersRD();
  TTree*  GetTreeAliVersMC();
  TTree*  GetTreeMCPassGuess();
  TString GetMCPassGuess(TString MCprodname);
  TString GetMCAnchPerGuess(const char* runlist);
  TTree* GetLogbookCache();
  TChain* GetChain(TString type, TString period, TString pass, Int_t buildIndex=1);
  TChain* GetChain(TString type, TString period, TString pass, TString friendList);
  TChain* GetChainMC()                                                  {return GetChain("MonALISA.MC", "", "");}
  TChain* GetChainRCT(TString period, TString pass)                     {return GetChain("MonALISA.RCT", period, pass);}
  TChain* GetChainDataQA(TString detector, TString period, TString pass){return GetChain("QA." + detector, period, pass);}
  TChain* GetChainLogbook(TString period)                               {return GetChain("Logbook", period, "");}
  TChain* GetChainTriggerClasses(TString period)                        {return GetChain("TriggerClasses", period, "");}
  TChain* GetChainProdCycle()                                           {return GetChain("MonALISA.ProductionCycle", "", "");}
  TChain* GetChainProdCycleByID(TString ID)                             {return GetChain("MonALISA.ProductionCycleID", ID, "");}

  TTree* GetFriendsTree() const {return fTree;}
  TChain* GetFriendsChain() const {return fChain;} // _Not_ working properly!!!

  void     SetMaxCacheSize(Long64_t size) { fMaxCacheSize=size;   }
  Long64_t GetMaxCacheSize() const        { return fMaxCacheSize; }

  static const TString& GetDefaultConfig() { return fgkDefaultConfig; }
  static void BuildHashIndex(TTree* tree, const char *chbranchName,  const char *chindexName);
  static void PrintMapSelected(std::map<TString, TString> infoMap, const char *expName="", const char *expValue="");
public:
  //private:
  Bool_t BuildIndex(TTree* tree, TString type);
  Bool_t AddChain(TString type, TString period, TString pass);
  void SetupVariables(TString& internalFilename, TString& internalLocation, Bool_t& resourceIsTree, TString& pathStructure, \
                      TString& detector, TString& rootFileName, TString& treeName, const TString& type, const TString& period, const TString& pass, TString &indexName);
  const TString GetYearFromPeriod(const TString& period);
  const TString CurlMif(TString& mifFilePath, const TString& internalLocation, TString rootFileName, const TString& externalLocation);
  const TString CurlTree(const TString internalFilename, const TString& externalLocation);
  const TString CreatePath(TString type, TString period, TString pass);
  Bool_t IsDownloadNeeded(TString file, TString type);
  Int_t fVerbose;                                   
  Bool_t fLoadMetadata;                             
  // Bool_t fCopyDataToLocalStorage;
  TString fConfigLocation;                          
  TString fLocalStorageDirectory;                   
  std::map<TString, TString> fConfigMap;            
  TTree* fTree;                                     
  TTree* fMCGuessTree;                              
  TChain* fChain;                                   
  std::map<TString, TChain*> fChainMap;             
  Long64_t fMaxCacheSize;                           
  TTree* fLogCache;                                     
  static const TString fgkDefaultConfig;            

  ClassDef(AliExternalInfo, 0);  // interface to various trending trees
  
};

#endif // ALIEXTERNALINFO_H