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class TVirtualPacketizer
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library: libProofPlayer
#include "TVirtualPacketizer.h"
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class TVirtualPacketizer: public TObject


TVirtualPacketizer

update Comment
 Packetizer generates packets to be processed on PROOF worker 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 includes common parts of PROOF packetizers.
Look in subclasses for details.

Function Members (Methods)

public:
virtual~TVirtualPacketizer()
voidTObject::AbstractMethod(const char* method) const
virtual voidTObject::AppendPad(Option_t* option = "")
virtual voidTObject::Browse(TBrowser* b)
static TClass*Class()
virtual const char*TObject::ClassName() const
virtual voidTObject::Clear(Option_t* = "")
virtual TObject*TObject::Clone(const char* newname = "") const
virtual Int_tTObject::Compare(const TObject* obj) const
virtual voidTObject::Copy(TObject& object) const
virtual voidTObject::Delete(Option_t* option = "")
virtual Int_tTObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual voidTObject::Draw(Option_t* option = "")
virtual voidTObject::DrawClass() const
virtual TObject*TObject::DrawClone(Option_t* option = "") const
virtual voidTObject::Dump() const
virtual voidTObject::Error(const char* method, const char* msgfmt) const
virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual voidTObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual voidTObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*TObject::FindObject(const char* name) const
virtual TObject*TObject::FindObject(const TObject* obj) const
Long64_tGetBytesRead() const
virtual Option_t*TObject::GetDrawOption() const
static Long_tTObject::GetDtorOnly()
Long64_tGetEntriesProcessed() const
virtual Long64_tGetEntriesProcessed(TSlave* sl) const
virtual const char*TObject::GetIconName() const
Float_tGetInitTime() const
virtual const char*TObject::GetName() const
virtual TDSetElement*GetNextPacket(TSlave* sl, TMessage* r)
virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_tTObject::GetObjectStat()
virtual Option_t*TObject::GetOption() const
Float_tGetProcTime() const
virtual const char*TObject::GetTitle() const
virtual UInt_tTObject::GetUniqueID() const
virtual ULong_tTObject::Hash() const
virtual voidTObject::Info(const char* method, const char* msgfmt) const
virtual Bool_tTObject::InheritsFrom(const char* classname) const
virtual Bool_tTObject::InheritsFrom(const TClass* cl) const
virtual voidTObject::Inspect() const
voidTObject::InvertBit(UInt_t f)
virtual TClass*IsA() const
virtual Bool_tTObject::IsEqual(const TObject* obj) const
virtual Bool_tTObject::IsFolder() const
Bool_tTObject::IsOnHeap() const
virtual Bool_tTObject::IsSortable() const
Bool_tIsValid() const
Bool_tTObject::IsZombie() const
virtual voidTObject::ls(Option_t* option = "") const
voidTObject::MayNotUse(const char* method) const
virtual Bool_tTObject::Notify()
static voidTObject::operator delete(void* ptr)
static voidTObject::operator delete(void* ptr, void* vp)
static voidTObject::operator delete[](void* ptr)
static voidTObject::operator delete[](void* ptr, void* vp)
void*TObject::operator new(size_t sz)
void*TObject::operator new(size_t sz, void* vp)
void*TObject::operator new[](size_t sz)
void*TObject::operator new[](size_t sz, void* vp)
virtual voidTObject::Paint(Option_t* option = "")
virtual voidTObject::Pop()
virtual voidTObject::Print(Option_t* option = "") const
virtual Int_tTObject::Read(const char* name)
virtual voidTObject::RecursiveRemove(TObject* obj)
voidTObject::ResetBit(UInt_t f)
virtual voidTObject::SaveAs(const char* filename = "", Option_t* option = "") const
virtual voidTObject::SavePrimitive(ostream& out, Option_t* option = "")
voidTObject::SetBit(UInt_t f)
voidTObject::SetBit(UInt_t f, Bool_t set)
virtual voidTObject::SetDrawOption(Option_t* option = "")
static voidTObject::SetDtorOnly(void* obj)
static voidTObject::SetObjectStat(Bool_t stat)
virtual voidTObject::SetUniqueID(UInt_t uid)
virtual voidShowMembers(TMemberInspector& insp, char* parent)
virtual voidStopProcess(Bool_t abort)
virtual voidStreamer(TBuffer& b)
voidStreamerNVirtual(TBuffer& b)
virtual voidTObject::SysError(const char* method, const char* msgfmt) const
Bool_tTObject::TestBit(UInt_t f) const
Int_tTObject::TestBits(UInt_t f) const
virtual voidTObject::UseCurrentStyle()
virtual voidTObject::Warning(const char* method, const char* msgfmt) const
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
protected:
TVirtualPacketizer()
virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const
Long64_tGetEntries(Bool_t tree, TDSetElement* e)
voidTObject::MakeZombie()
private:
TVirtualPacketizer(const TVirtualPacketizer&)
TDSetElement*CreateNewPacket(TDSetElement* base, Long64_t first, Long64_t num)
virtual Bool_tHandleTimer(TTimer* timer)
voidoperator=(const TVirtualPacketizer&)
voidSplitEventList(TDSet* dset)

Data Members

public:
enum TObject::EStatusBits { kCanDelete
kMustCleanup
kObjInCanvas
kIsReferenced
kHasUUID
kCannotPick
kNoContextMenu
kInvalidObject
};
enum TObject::[unnamed] { kIsOnHeap
kNotDeleted
kZombie
kBitMask
kSingleKey
kOverwrite
kWriteDelete
};
protected:
Bool_tfStopTermination of Process() requested?
Bool_tfValidConstructed properly?
private:
Long64_tfBytesReadnumber of bytes processed
Long_tfCircNCircularity
TNtupleD*fCircProgKeeps circular info for "instantenous"
Float_tfInitTimetime before processing
Float_tfProcTimetime since start of processing
Long64_tfProcessednumber of entries processed
TTimer*fProgressprogress updates timer
Long_tfStartTimetime offset
Float_tfTimeUpdttime between updates
Long64_tfTotalEntriestotal number of entries to be distributed;

Class Charts

Inheritance Inherited Members Includes Libraries
Class Charts

Function documentation

TVirtualPacketizer(const TVirtualPacketizer& )
 Constructor.
Long64_t GetEntries(Bool_t tree, TDSetElement* e)
 Get entries.
Long64_t GetEntriesProcessed(TSlave* sl) const
 Get Entries processed by the given slave.
TDSetElement * GetNextPacket(TSlave* sl, TMessage* r)
 Get next packet.
void StopProcess(Bool_t abort)
 Stop process.
void SplitEventList(TDSet* dset)
 Splits the eventlist into parts for each file.
 Each part is assigned to the apropriate TDSetElement.
TDSetElement* CreateNewPacket(TDSetElement* base, Long64_t first, Long64_t num)
 Creates a new TDSetElement from from base packet starting from
 the first entry with num entries.
 The function returns a new created objects which have to be deleted.
Bool_t HandleTimer(TTimer* timer)
 Send progress message to client.
TVirtualPacketizer(const TVirtualPacketizer& )
void operator=(const TVirtualPacketizer& )
virtual ~TVirtualPacketizer()
{ }
Bool_t IsValid()
{ return fValid; }
Long64_t GetEntriesProcessed(TSlave* sl) const
{ return fProcessed; }
Long64_t GetBytesRead()
{ return fBytesRead; }
Float_t GetInitTime()
{ return fInitTime; }
Float_t GetProcTime()
{ return fProcTime; }

Author: Maarten Ballintijn 9/7/2002
Last update: root/proofplayer:$Name: $:$Id: TVirtualPacketizer.cxx,v 1.10 2007/05/29 16:06:55 ganis Exp $
Copyright (C) 1995-2002, Rene Brun and Fons Rademakers. *
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