epics::pvaClient::PvaClientNTMultiGet Class Reference

Provides channelGet to multiple channels where the value field of each channel is presented as a union. More...

#include "pvaClientMultiChannel.h"

Inheritance diagram for epics::pvaClient::PvaClientNTMultiGet:

Collaboration diagram for epics::pvaClient::PvaClientNTMultiGet:

Public Member Functions
	POINTER_DEFINITIONS (PvaClientNTMultiGet)
	~PvaClientNTMultiGet ()
void	connect ()
	Connect a channelGet for each channel. More...
void	get (bool valueOnly=true)
	Get each channel. More...
PvaClientNTMultiDataPtr	getData ()
	Get the data from the last get. More...
PvaClientNTMultiGetPtr	getPtrSelf ()
	Get the shared pointer to self. More...

Static Public Member Functions
static PvaClientNTMultiGetPtr	create (PvaClientMultiChannelPtr const &pvaClientMultiChannel, PvaClientChannelArray const &pvaClientChannelArray, epics::pvData::PVStructurePtr const &pvRequest)
	Create a PvaClientNTMultiGet. More...

Detailed Description

Provides channelGet to multiple channels where the value field of each channel is presented as a union.

Definition at line 338 of file pvaClientMultiChannel.h.

Constructor & Destructor Documentation

epics::pvaClient::PvaClientNTMultiGet::~PvaClientNTMultiGet

(

)

Definition at line 57 of file pvaClientNTMultiGet.cpp.

{
    if(PvaClient::getDebug()) cout<< "PvaClientNTMultiGet::~PvaClientNTMultiGet()\n";
}

Member Function Documentation

void epics::pvaClient::PvaClientNTMultiGet::connect

(

)

Connect a channelGet for each channel.

Definition at line 62 of file pvaClientNTMultiGet.cpp.

{
    pvaClientGet.resize(nchannel);
    shared_vector<epics::pvData::boolean> isConnected = pvaClientMultiChannel->getIsConnected();
    for(size_t i=0; i<nchannel; ++i)
    {
         if(isConnected[i]) {
               pvaClientGet[i] = pvaClientChannelArray[i]->createGet(pvRequest);
               pvaClientGet[i]->issueConnect();
         }
    }
    for(size_t i=0; i<nchannel; ++i)
    {
         if(isConnected[i]) {
               Status status = pvaClientGet[i]->waitConnect();
               if(status.isOK()) continue;
               string message = string("channel ") +pvaClientChannelArray[i]->getChannelName()
                    + " PvaChannelGet::waitConnect " + status.getMessage();
               throw std::runtime_error(message);
         }
    }
    this->isConnected = true;
}

PvaClientNTMultiGetPtr epics::pvaClient::PvaClientNTMultiGet::create ( PvaClientMultiChannelPtr const &  pvaClientMultiChannel, PvaClientChannelArray const &  pvaClientChannelArray, epics::pvData::PVStructurePtr const &  pvRequest  )

static

Create a PvaClientNTMultiGet.

Parameters

pvaClientMultiChannel	The interface to PvaClientMultiChannel.
pvaClientChannelArray	The PvaClientChannel array.
pvRequest	The pvRequest for each channel.

Returns

The interface.

Definition at line 26 of file pvaClientNTMultiGet.cpp.

{
    UnionConstPtr u = getFieldCreate()->createVariantUnion();
    PvaClientNTMultiGetPtr pvaClientNTMultiGet(
         new PvaClientNTMultiGet(u,pvaMultiChannel,pvaClientChannelArray,pvRequest));
    return pvaClientNTMultiGet;
}

void epics::pvaClient::PvaClientNTMultiGet::get

(

bool

valueOnly = true

)

Get each channel.

Parameters

valueOnly

use only value for union.

Definition at line 86 of file pvaClientNTMultiGet.cpp.

{
    if(!isConnected) connect();
    shared_vector<epics::pvData::boolean> isConnected = pvaClientMultiChannel->getIsConnected();

    for(size_t i=0; i<nchannel; ++i)
    {
         if(isConnected[i]) {
               pvaClientGet[i]->issueGet();
         }
    }
    for(size_t i=0; i<nchannel; ++i)
    {
         if(isConnected[i]) {
               Status status = pvaClientGet[i]->waitGet();
               if(status.isOK()) continue;
               string message = string("channel ") +pvaClientChannelArray[i]->getChannelName()
                    + " PvaChannelGet::waitGet " + status.getMessage();
               throw std::runtime_error(message);
         }
    }
    pvaClientNTMultiData->startDeltaTime();
    for(size_t i=0; i<nchannel; ++i)
    {
         if(isConnected[i]) {
              pvaClientNTMultiData->setPVStructure(pvaClientGet[i]->getData()->getPVStructure(),i);
         }
    }
    pvaClientNTMultiData->endDeltaTime(valueOnly);
}

PvaClientNTMultiDataPtr epics::pvaClient::PvaClientNTMultiGet::getData

(

)

Get the data from the last get.

Returns

the pvaClientNTMultiData.

Definition at line 117 of file pvaClientNTMultiGet.cpp.

{
    return pvaClientNTMultiData;
}

PvaClientNTMultiGetPtr epics::pvaClient::PvaClientNTMultiGet::getPtrSelf ( )

inline

Get the shared pointer to self.

Returns

The shared pointer.

Definition at line 375 of file pvaClientMultiChannel.h.

    {
        return shared_from_this();
    }

epics::pvaClient::PvaClientNTMultiGet::POINTER_DEFINITIONS

(

PvaClientNTMultiGet

)

---

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

• modules/pvaClient/src/pv/pvaClientMultiChannel.h
• modules/pvaClient/src/pvaClientNTMultiGet.cpp