DCMTK Version 3.7.0 OFFIS DICOM Toolkit

Public Member Functions | Protected Member Functions | Private Attributes | List of all members
DiObjectCounter Class Reference

Class to count number of instances (objects created from a certain class). More...

Inheritance diagram for DiObjectCounter:

## Public Member Functions
void | addReference ()
| add a reference. More...
void | removeReference ()
| remove a reference. More...

## Protected Member Functions
| DiObjectCounter ()
| constructor. More...
virtual | ~DiObjectCounter ()
| destructor

## Private Attributes
unsigned long | Counter
| internal counter
OFMutex | theMutex
| if compiled for multi-thread operation, the Mutex protecting access to the value of this object. More...

## Detailed Description

Class to count number of instances (objects created from a certain class).

used to manage more than one reference to an object in a secure way.

## Constructor & Destructor Documentation

## ◆ DiObjectCounter()

DiObjectCounter::DiObjectCounter | ( |  | ) |
| inline protected

constructor.

Internal counter is initialized with 1.

## Member Function Documentation

## ◆ addReference()

void DiObjectCounter::addReference | ( |  | ) |
| inline

add a reference.

Increase the internal counter by 1.

## ◆ removeReference()

void DiObjectCounter::removeReference | ( |  | ) |
| inline

remove a reference.

Decrease the internal counter by 1 and delete the object only if the counter is zero.

## Member Data Documentation

## ◆ theMutex

OFMutex DiObjectCounter::theMutex
| private

if compiled for multi-thread operation, the Mutex protecting access to the value of this object.

Remarks
  this member is only available if DCMTK is compiled with thread support enabled.

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

- dcmimgle/include/dcmtk/dcmimgle/diobjcou.h

Generated on Mon Dec 15 2025 for DCMTK Version 3.7.0 by Doxygen 1.9.1