TVirtualPacketizer

class description - source file - inheritance tree

class TVirtualPacketizer : public TObject

    private:

                         TVirtualPacketizer(const TVirtualPacketizer&)
                    void operator=(const TVirtualPacketizer&)

    protected:

                         TVirtualPacketizer()
                Long64_t GetEntries(Bool_t tree, TDSetElement* e)

    public:

                    virtual ~TVirtualPacketizer()
             static TClass* Class()
           virtual Long64_t GetEntriesProcessed() const
           virtual Long64_t GetEntriesProcessed(TSlave* sl) const
      virtual TDSetElement* GetNextPacket(TSlave* sl, TMessage* r)
            virtual TClass* IsA() const
                     Bool_t IsValid() const
               virtual void ShowMembers(TMemberInspector& insp, char* parent)
               virtual void StopProcess(Bool_t abort)
               virtual void Streamer(TBuffer& b)
                       void StreamerNVirtual(TBuffer& b)

Data Members


    protected:

      Bool_t fValid  Constructed properly?
      Bool_t fStop   Termination of Process() requested?

See also

TPacketizer, TPacketizer2

Class Description

                                                                      
 TVirtualPacketizer                                                   
                                                                      
 XXX update Comment XXX                                               
 This class generates packets to be processed on PROOF slave servers. 
 A packet is an event range (begin entry and number of entries) or    
 object range (first object and number of objects) in a TTree         
 (entries) or a directory (objects) in a file.                        
 Packets are generated taking into account the performance of the     
 remote machine, the time it took to process a previous packet on     
 the remote machine, the locality of the database files, etc.
TVirtualPacketizer()
~TVirtualPacketizer()
Long64_t GetEntries(Bool_t tree, TDSetElement *e)
Long64_t GetEntriesProcessed() const
Long64_t GetEntriesProcessed(TSlave *) const
TDSetElement* GetNextPacket(TSlave *, TMessage *)
void StopProcess(Bool_t /*abort*/)



Inline Functions

                      void operator=(const TVirtualPacketizer&)
        TVirtualPacketizer TVirtualPacketizer()
                    Bool_t IsValid() const
                   TClass* Class()
                   TClass* IsA() const
                      void ShowMembers(TMemberInspector& insp, char* parent)
                      void Streamer(TBuffer& b)
                      void StreamerNVirtual(TBuffer& b)

Author: Maarten Ballintijn 9/7/2002
Last update: root/proof:$Name: $:$Id: TVirtualPacketizer.cxx,v 1.6 2003/05/06 08:23:43 rdm Exp $
Copyright (C) 1995-2002, Rene Brun and Fons Rademakers. *

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