gar::rec::IDNumberGen Class Reference

#include <IDNumberGen.h>

Public Member Functions
IDNumber	getNewOne ()
void	newEventReset ()
	IDNumberGen (const IDNumberGen &arg)=delete
	IDNumberGen (const IDNumberGen &&arg)=delete
IDNumberGen &	operator= (const IDNumberGen &arg)=delete
IDNumberGen &	operator= (const IDNumberGen &&arg)=delete

Static Public Member Functions
static IDNumberGen *	create (IDNumber iniValue=std::numeric_limits< IDNumber >::max())

Private Member Functions
	IDNumberGen ()
	~IDNumberGen ()

Static Private Attributes
static std::atomic< gar::rec::IDNumber >	nextOneToMake = std::numeric_limits<IDNumber>::max()
static std::set< gar::rec::IDNumber >	previousInitializers = {}

Detailed Description

Definition at line 75 of file IDNumberGen.h.

Constructor & Destructor Documentation

gar::rec::IDNumberGen::IDNumberGen ( const IDNumberGen &  arg )

delete

gar::rec::IDNumberGen::IDNumberGen ( const IDNumberGen &&  arg )

delete

gar::rec::IDNumberGen::IDNumberGen ( )

private

Definition at line 58 of file IDNumberGen.cxx.

{}

gar::rec::IDNumberGen::~IDNumberGen ( )

private

Member Function Documentation

IDNumberGen * gar::rec::IDNumberGen::create ( IDNumber  iniValue = std::numeric_limits<IDNumber>::max() )

static

Definition at line 18 of file IDNumberGen.cxx.

                                                          { 

            // Repeated calls to new here do not create a memory leak.
            // Some kind of wierd C++11 magic.
            static IDNumberGen* tmp = new IDNumberGen();
            // If creating an instance with an initial value
            if (iniValue != std::numeric_limits<IDNumber>::max()) {
                // and if the iniValue isn't one of the previously used ones
                std::set<IDNumber>::iterator itr = previousInitializers.find(iniValue);
                if (itr==previousInitializers.end()) {
                    previousInitializers.insert(iniValue);
                    nextOneToMake.store(iniValue);
                }
            }
            // Even if nextOneToMake.store() not called, still fine that tmp is
            // uninitialized as getNewOne() only pulls info from a static field.
            return tmp;
        }

gar::rec::IDNumber gar::rec::IDNumberGen::getNewOne

(

)

Definition at line 39 of file IDNumberGen.cxx.

                                              {
            gar::rec::IDNumber retval = nextOneToMake;
            nextOneToMake.store(nextOneToMake+1);
            return retval;
        }

void gar::rec::IDNumberGen::newEventReset

(

)

Definition at line 47 of file IDNumberGen.cxx.

                                        {
            previousInitializers.clear();
            nextOneToMake.store(std::numeric_limits<IDNumber>::max());
            return;
        }

IDNumberGen& gar::rec::IDNumberGen::operator= ( const IDNumberGen &  arg )

delete

IDNumberGen& gar::rec::IDNumberGen::operator= ( const IDNumberGen &&  arg )

delete

Member Data Documentation

std::atomic< gar::rec::IDNumber > gar::rec::IDNumberGen::nextOneToMake = std::numeric_limits<IDNumber>::max()

staticprivate

Definition at line 99 of file IDNumberGen.h.

std::set< gar::rec::IDNumber > gar::rec::IDNumberGen::previousInitializers = {}

staticprivate

Definition at line 100 of file IDNumberGen.h.

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

• garsoft/ReconstructionDataProducts/IDNumberGen.h
• garsoft/ReconstructionDataProducts/IDNumberGen.cxx