/*
 * Copyright information and license terms for this software can be
 * found in the file LICENSE that is included with the distribution
 */

/**
 * @author mrk
 * @date 2013.04.02
 */

#include <pv/standardField.h>

#define epicsExportSharedSymbols
#include <pv/exampleHelloRecord.h>

using namespace epics::pvData;
using namespace epics::pvDatabase;
using std::tr1::static_pointer_cast;
using std::string;

namespace epics { namespace exampleCPP { namespace database {


ExampleHelloRecordPtr ExampleHelloRecord::create(
    string const & recordName)
{
    StandardFieldPtr standardField = getStandardField();
    FieldCreatePtr fieldCreate = getFieldCreate();
    PVDataCreatePtr pvDataCreate = getPVDataCreate();
    StructureConstPtr  topStructure = fieldCreate->createFieldBuilder()->
        addNestedStructure("argument")->
            add("value",pvString)->
            endNested()->
        addNestedStructure("result") ->
            add("value",pvString) ->
            add("timeStamp",standardField->timeStamp()) ->
            endNested()->
        createStructure();
    PVStructurePtr pvStructure = pvDataCreate->createPVStructure(topStructure);

    ExampleHelloRecordPtr pvRecord(
        new ExampleHelloRecord(recordName,pvStructure));
    pvRecord->initPVRecord();
    return pvRecord;
}

ExampleHelloRecord::ExampleHelloRecord(
    string const & recordName,
    PVStructurePtr const & pvStructure)
: PVRecord(recordName,pvStructure)
{
    PVFieldPtr pvField;
    pvArgumentValue = getPVStructure()->getSubField<PVString>("argument.value");
    if(!pvArgumentValue) {
        throw std::logic_error(
        recordName + " argument.value not in PVRecord");
    }
    pvResultValue = getPVStructure()->getSubField<PVString>("result.value");
    if(!pvResultValue) {
        throw std::logic_error(
        recordName + " result.value not in PVRecord");
    }
    pvTimeStamp.attach(getPVStructure()->getSubField("result.timeStamp"));
}

void ExampleHelloRecord::process()
{
    pvResultValue->put(string("Hello ") + pvArgumentValue->get());
    timeStamp.getCurrent();
    pvTimeStamp.set(timeStamp);
}

}}}