epics::pvDatabase::MonitorElementQueue Class Reference

Public Member Functions
	POINTER_DEFINITIONS (MonitorElementQueue)
	MonitorElementQueue (std::vector< MonitorElementPtr > monitorElementArray)
virtual	~MonitorElementQueue ()
void	clear ()
MonitorElementPtr	getFree ()
void	setUsed (MonitorElementPtr const &element)
MonitorElementPtr	getUsed ()
void	releaseUsed (MonitorElementPtr const &element)

Detailed Description

Definition at line 53 of file monitorFactory.cpp.

Constructor & Destructor Documentation

epics::pvDatabase::MonitorElementQueue::MonitorElementQueue ( std::vector< MonitorElementPtr >  monitorElementArray )

inline

Definition at line 68 of file monitorFactory.cpp.

    :  elements(monitorElementArray),
       size(monitorElementArray.size()),
       numberFree(size),
       numberUsed(0),
       nextGetFree(0),
       nextSetUsed(0),
       nextGetUsed(0),
       nextReleaseUsed(0)
    {
    }

virtual epics::pvDatabase::MonitorElementQueue::~MonitorElementQueue ( )

inlinevirtual

Definition at line 80 of file monitorFactory.cpp.

{}

Member Function Documentation

void epics::pvDatabase::MonitorElementQueue::clear ( )

inline

Definition at line 82 of file monitorFactory.cpp.

    {
        numberFree = size;
        numberUsed = 0;
        nextGetFree = 0;
        nextSetUsed = 0;
        nextGetUsed = 0;
        nextReleaseUsed = 0;
    }

MonitorElementPtr epics::pvDatabase::MonitorElementQueue::getFree ( )

inline

Definition at line 92 of file monitorFactory.cpp.

    {
        if(numberFree==0) return MonitorElementPtr();
        numberFree--;
        int ind = nextGetFree;
        MonitorElementPtr queueElement = elements[nextGetFree++];
        if(nextGetFree>=size) nextGetFree = 0;
        return elements[ind];
    }

MonitorElementPtr epics::pvDatabase::MonitorElementQueue::getUsed ( )

inline

Definition at line 111 of file monitorFactory.cpp.

    {
        if(numberUsed==0) return MonitorElementPtr();
        int ind = nextGetUsed;
        MonitorElementPtr queueElement = elements[nextGetUsed++];
        if(nextGetUsed>=size) nextGetUsed = 0;
        return elements[ind];
    }

epics::pvDatabase::MonitorElementQueue::POINTER_DEFINITIONS

(

MonitorElementQueue

)

void epics::pvDatabase::MonitorElementQueue::releaseUsed ( MonitorElementPtr const &  element )

inline

Definition at line 119 of file monitorFactory.cpp.

    {
        if(element!=elements[nextReleaseUsed++]) {
            throw std::logic_error(
               "not queueElement returned by last call to getUsed");
        }
        if(nextReleaseUsed>=size) nextReleaseUsed = 0;
        numberUsed--;
        numberFree++;
    }

void epics::pvDatabase::MonitorElementQueue::setUsed ( MonitorElementPtr const &  element )

inline

Definition at line 102 of file monitorFactory.cpp.

    {
       if(element!=elements[nextSetUsed++]) {
           throw std::logic_error("not correct queueElement");
        }
        numberUsed++;
        if(nextSetUsed>=size) nextSetUsed = 0;
    }

---

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

• modules/pvDatabase/src/pvAccess/monitorFactory.cpp