epics::pvaClient::PvaClientMultiGetDouble Class Reference

Provides channelGet to multiple channels where each channel has a numeric scalar value field. More...

#include "pvaClientMultiChannel.h"

Inheritance diagram for epics::pvaClient::PvaClientMultiGetDouble:

Collaboration diagram for epics::pvaClient::PvaClientMultiGetDouble:

Public Member Functions
	POINTER_DEFINITIONS (PvaClientMultiGetDouble)
	~PvaClientMultiGetDouble ()
void	connect ()
	Create a channelGet for each channel. More...
epics::pvData::shared_vector< double >	get ()
	Get the data. More...
PvaClientMultiGetDoublePtr	getPtrSelf ()
	Get the shared pointer to self. More...

Static Public Member Functions
static PvaClientMultiGetDoublePtr	create (PvaClientMultiChannelPtr const &pvaClientMultiChannel, PvaClientChannelArray const &pvaClientChannelArray)
	Create a PvaClientMultiGetDouble. More...

Detailed Description

Provides channelGet to multiple channels where each channel has a numeric scalar value field.

Definition at line 173 of file pvaClientMultiChannel.h.

Constructor & Destructor Documentation

epics::pvaClient::PvaClientMultiGetDouble::~PvaClientMultiGetDouble

(

)

Definition at line 49 of file pvaClientMultiGetDouble.cpp.

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

Member Function Documentation

void epics::pvaClient::PvaClientMultiGetDouble::connect

(

)

Create a channelGet for each channel.

Definition at line 54 of file pvaClientMultiGetDouble.cpp.

{
    shared_vector<epics::pvData::boolean> isConnected = pvaClientMultiChannel->getIsConnected();
    string request = "value";
    for(size_t i=0; i<nchannel; ++i)
    {
         if(isConnected[i]) {
               pvaClientGet[i] = pvaClientChannelArray[i]->createGet(request);
               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);
         }
    }
    isGetConnected = true;
}

PvaClientMultiGetDoublePtr epics::pvaClient::PvaClientMultiGetDouble::create ( PvaClientMultiChannelPtr const &  pvaClientMultiChannel, PvaClientChannelArray const &  pvaClientChannelArray  )

static

Create a PvaClientMultiGetDouble.

Parameters

pvaClientMultiChannel	The interface to PvaClientMultiChannel.
pvaClientChannelArray	The PvaClientChannel array.

Returns

The interface.

Definition at line 27 of file pvaClientMultiGetDouble.cpp.

{
    PvaClientMultiGetDoublePtr pvaClientMultiGetDouble(
         new PvaClientMultiGetDouble(pvaMultiChannel,pvaClientChannelArray));
    return pvaClientMultiGetDouble;
}

epics::pvData::shared_vector< double > epics::pvaClient::PvaClientMultiGetDouble::get

(

)

Get the data.

Returns

The double[] where each element is the value field of the corresponding channel.

Definition at line 78 of file pvaClientMultiGetDouble.cpp.

{
    if(!isGetConnected) 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);
         }
    }

    for(size_t i=0; i<nchannel; ++i)
    {
        if(isConnected[i])
        {
            PVStructurePtr pvStructure = pvaClientGet[i]->getData()->getPVStructure();
            doubleValue[i] = getConvert()->toDouble(pvStructure->getSubField<PVScalar>("value"));
        } else {
            doubleValue[i] = epicsNAN;
        }
    }
    return doubleValue;
}

PvaClientMultiGetDoublePtr epics::pvaClient::PvaClientMultiGetDouble::getPtrSelf ( )

inline

Get the shared pointer to self.

Returns

The shared pointer.

Definition at line 204 of file pvaClientMultiChannel.h.

    {
        return shared_from_this();
    }

epics::pvaClient::PvaClientMultiGetDouble::POINTER_DEFINITIONS

(

PvaClientMultiGetDouble

)

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

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