caf::SRProxySystController Class Reference

#include "SRProxy/BasicTypesProxy.h"

Static Public Member Functions
static bool	AnyShifted ()
static void	BeginTransaction ()
static bool	InTransaction ()
static void	Rollback ()
static long long	Generation ()

Static Protected Member Functions
template<class T >
static void	Backup (Proxy< T > &p)

Static Protected Attributes
static std::vector< Restorer * >	fRestorers
static long long	fGeneration = 0

Friends
template<class T >
class	Proxy

Detailed Description

Definition at line 350 of file BasicTypesProxy.h.

Member Function Documentation

static bool caf::SRProxySystController::AnyShifted ( )

inlinestatic

Definition at line 353 of file BasicTypesProxy.h.

References r().

    {
      for(const Restorer* r: fRestorers) if(r) return true;
      return false;
    }

template<class T >

static void caf::SRProxySystController::Backup ( Proxy< T > &  p )

inlinestaticprotected

Definition at line 388 of file BasicTypesProxy.h.

References caf::Restorer::Add(), and ana::assert().

Referenced by caf::Proxy< T >::operator=().

    {
      assert(!fRestorers.empty());
      if(!fRestorers.back()){
        ++fGeneration;
        fRestorers.back() = new Restorer;
      }
      fRestorers.back()->Add(p);
    }

static void caf::SRProxySystController::BeginTransaction ( )

inlinestatic

Definition at line 359 of file BasicTypesProxy.h.

Referenced by ana::SpectrumLoaderBase::GetNextFile(), ana::SystApplier::HandleRecord(), and ana::_preview::SystApplier::HandleRecord().

    {
      fRestorers.push_back(0);
    }

static long long caf::SRProxySystController::Generation ( )

inlinestatic

May be useful in the implementation of caches that ought to be invalidated when systematic shifts are applied.

Definition at line 379 of file BasicTypesProxy.h.

    {
      if(!InTransaction()) return 0; // nominal
      return fGeneration;
    }

static bool caf::SRProxySystController::InTransaction ( )

inlinestatic

Definition at line 364 of file BasicTypesProxy.h.

Referenced by caf::Proxy< T >::operator=().

    {
      return !fRestorers.empty();
    }

static void caf::SRProxySystController::Rollback ( )

inlinestatic

Definition at line 369 of file BasicTypesProxy.h.

References ana::assert().

Referenced by ana::SpectrumLoaderBase::GetNextFile(), ana::SystApplier::HandleRecord(), and ana::_preview::SystApplier::HandleRecord().

    {
      assert(!fRestorers.empty());
      if(fRestorers.back()) ++fGeneration;
      delete fRestorers.back();
      fRestorers.pop_back();
    }

Friends And Related Function Documentation

template<class T >

friend class Proxy

friend

Definition at line 386 of file BasicTypesProxy.h.

Member Data Documentation

long long caf::SRProxySystController::fGeneration = 0

staticprotected

Definition at line 399 of file BasicTypesProxy.h.

std::vector< Restorer * > caf::SRProxySystController::fRestorers

staticprotected

Definition at line 398 of file BasicTypesProxy.h.

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The documentation for this class was generated from the following files:

• SRProxy/BasicTypesProxy.h
• SRProxy/BasicTypesProxy.cxx