epics::pvAccess::ca::CAChannelGetField Class Reference

#include "caChannel.h"

Inheritance diagram for epics::pvAccess::ca::CAChannelGetField:

Collaboration diagram for epics::pvAccess::ca::CAChannelGetField:

Public Member Functions
	POINTER_DEFINITIONS (CAChannelGetField)
	CAChannelGetField (CAChannelPtr const &channel, GetFieldRequester::shared_pointer const &requester, std::string const &subField)
	~CAChannelGetField ()
void	callRequester (CAChannelPtr const &caChannel)
void	activate ()

Detailed Description

Definition at line 70 of file caChannel.h.

Constructor & Destructor Documentation

epics::pvAccess::ca::CAChannelGetField::CAChannelGetField	(	CAChannelPtr const &	channel,
		GetFieldRequester::shared_pointer const &	requester,
		std::string const &	subField
	)

Definition at line 371 of file caChannel.cpp.

  : channel(channel),
    getFieldRequester(requester),
    subField(subField)
{
    if(DEBUG_LEVEL>0) {
        cout << "CAChannelGetField::CAChannelGetField()\n";
    }
}

epics::pvAccess::ca::CAChannelGetField::~CAChannelGetField

(

)

Definition at line 389 of file caChannel.cpp.

{
    if(DEBUG_LEVEL>0) {
        cout << "CAChannelGetField::~CAChannelGetField()\n";
    }
}

Member Function Documentation

void epics::pvAccess::ca::CAChannelGetField::activate

(

)

Definition at line 383 of file caChannel.cpp.

{
    CAChannelPtr chan(channel.lock());
    if(chan) callRequester(chan);
}

void epics::pvAccess::ca::CAChannelGetField::callRequester

(

CAChannelPtr const &

caChannel

)

Definition at line 396 of file caChannel.cpp.

{
    if(DEBUG_LEVEL>0) {
        cout << "CAChannelGetField::callRequester\n";
    }
    GetFieldRequester::shared_pointer requester(getFieldRequester.lock());
    if(!requester) return;
    PVStructurePtr pvRequest(createRequest(""));
    DbdToPvPtr dbdToPv = DbdToPv::create(caChannel,pvRequest,getIO);
    Structure::const_shared_pointer structure(dbdToPv->getStructure());
    Field::const_shared_pointer field =
        subField.empty() ?
        std::tr1::static_pointer_cast<const Field>(structure) :
        structure->getField(subField);

    if (field)
    {
        EXCEPTION_GUARD(requester->getDone(Status::Ok, field));
    }
    else
    {
        Status errorStatus(Status::STATUSTYPE_ERROR, "field '" + subField + "' not found");
        EXCEPTION_GUARD(requester->getDone(errorStatus, FieldConstPtr()));
    }
}

epics::pvAccess::ca::CAChannelGetField::POINTER_DEFINITIONS

(

CAChannelGetField

)

---

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

• modules/pvAccess/src/ca/caChannel.h
• modules/pvAccess/src/ca/caChannel.cpp