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 // Tell emacs that this is a C++ source
 //  -*- C++ -*-.
 #ifndef FUN4ALL_FUN4ALLOUTPUTMANAGER_H
 #define FUN4ALL_FUN4ALLOUTPUTMANAGER_H
 
 #include "Fun4AllBase.h"
 
 #include <limits>
 #include <string>
 #include <vector>
 
 class PHCompositeNode;
 
 class Fun4AllOutputManager : public Fun4AllBase
 {
  public:
   //! destructor
   ~Fun4AllOutputManager() override;
 
   //! print method (dump event selector)
   void Print(const std::string &what = "ALL") const override;
 
   //! add a node in outputmanager
   virtual int AddNode(const std::string & /*nodename*/)
   {
     return 0;
   }
 
   //! add a runwise node in outputmanager
   virtual int AddRunNode(const std::string & /*nodename*/)
   {
     return 0;
   }
 
   //! not write a node in outputmanager
   virtual int StripNode(const std::string & /*nodename*/)
   {
     return 0;
   }
 
   //! not write a runwise node in outputmanager
   virtual int StripRunNode(const std::string & /*nodename*/)
   {
     return 0;
   }
 
   virtual int StripCompositeNode(const std::string & /*nodename*/) {return 0;}
 
   virtual void SaveRunNode(const int) { return; }
   virtual void SaveDstNode(const int) { return; }
 
   /*! \brief
     add an event selector to the outputmanager.
     event will get written only if all event selectors process_event method
     return EVENT_OK
   */
   virtual int AddEventSelector(const std::string &recomodule);
 
   //! opens output file
   virtual int outfileopen(const std::string & /*nodename*/)
   {
     return 0;
   }
 
   //! Common method, called before calling virtual Write
   int WriteGeneric(PHCompositeNode *startNode);
 
   //! write starting from given node
   virtual int Write(PHCompositeNode * /*startNode*/)
   {
     return 0;
   }
 
   //! write specified node
   virtual int WriteNode(PHCompositeNode * /*thisNode*/)
   {
     return 0;
   }
 
   //! retrieves pointer to vector of event selector module names
   virtual std::vector<std::string> *EventSelector()
   {
     return &m_EventSelectorsVector;
   }
 
   //! retrieves pointer to vector of event selector module ids
   virtual std::vector<unsigned> *RecoModuleIndex()
   {
     return &m_RecoModuleIndexVector;
   }
 
   //! decides if event is to be written or not
   virtual int DoNotWriteEvent(std::vector<int> *retcodes) const;
 
   //! get number of Events
   virtual unsigned int EventsWritten() const { return m_NEvents; }
   //! increment number of events
   virtual void IncrementEvents(const unsigned int i) { m_NEvents += i; }
   //! set number of events
   virtual void SetEventsWritten(const unsigned int i) { m_NEvents = i; }
   //! get output file name
   virtual std::string OutFileName() const { return m_OutFileName; }
   //! set compression level (if implemented)
   virtual void CompressionSetting(const int /*i*/) { return; }
 
   void OutFileName(const std::string &name) { m_OutFileName = name; }
   void SetClosingScript(const std::string &script) { m_RunAfterClosingScript = script; }
   void SetClosingScriptArgs(const std::string &args) { m_ClosingArgs = args; }
   int RunAfterClosing();
   void UseFileRule() { m_UseFileRuleFlag = true; }
   bool ApplyFileRule() const { return m_UseFileRuleFlag; }
   void SetNEvents(const unsigned int nevt);
   unsigned int GetNEvents() const { return m_MaxEvents; }
   void FileRule(const std::string &newrule) { m_FileRule = newrule; }
   const std::string &FileRule() const { return m_FileRule; }
   void SplitLevel(const int split) { splitlevel = split; }
   void BufferSize(const int size) { buffersize = size; }
   int SplitLevel() const { return splitlevel; }
   int BufferSize() const { return buffersize; }
   int Segment() { return m_CurrentSegment; }
 
  protected:
   /*!
     constructor.
     is protected since we do not want the  class to be created in root macros
   */
   Fun4AllOutputManager(const std::string &myname);
   Fun4AllOutputManager(const std::string &myname, const std::string &outfname);
 
   //! current segment
   int m_CurrentSegment{0};
 
  private:
   //! add file rule to filename (runnumber-segment)
   bool m_UseFileRuleFlag{false};
 
   //! Buffer Size for baskets in root file
   int buffersize{std::numeric_limits<int>::min()};
 
   //! Split level of TBranches
   int splitlevel{std::numeric_limits<int>::min()};
 
   //! Number of Events
   unsigned int m_NEvents{0};
 
   //! Number of Events to write before roll over
   unsigned int m_MaxEvents{std::numeric_limits<unsigned int>::max()};
 
   //! Script to run after closing of file
   std::string m_RunAfterClosingScript;
 
   //! string with arguments for closing script
   std::string m_ClosingArgs;
 
   //! output file name
   std::string m_OutFileName;
 
   //! last output file name which was closed
   std::string m_LastClosedFileName;
 
   //! file rule when writing multiple segments (-<runnumber>-segment)
   std::string m_FileRule{"-%08d-%05d"};
 
   //! vector of event selectors modules
   std::vector<std::string> m_EventSelectorsVector;
 
   //! vector of associated module indexes
   std::vector<unsigned> m_RecoModuleIndexVector;
 };
 
 #endif

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