500 lines
19 KiB
C++
500 lines
19 KiB
C++
/* StandardField.cpp */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvDataCPP is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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#include <string>
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#include <cstdio>
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#include <stdexcept>
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#include <epicsThread.h>
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#include <epicsExit.h>
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#include <lock.h>
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#include "pvIntrospect.h"
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#include "standardField.h"
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#include "CDRMonitor.h"
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using std::tr1::static_pointer_cast;
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namespace epics { namespace pvData {
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static StandardField* standardField = 0;
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static String notImplemented("not implemented");
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static FieldCreate* fieldCreate = 0;
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static String valueFieldName("value");
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// following are preallocated structures
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static StructureConstPtr alarmField;
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static StructureConstPtr timeStampField;
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static StructureConstPtr displayField;
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static StructureConstPtr controlField;
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static StructureConstPtr booleanAlarmField;
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static StructureConstPtr byteAlarmField;
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static StructureConstPtr shortAlarmField;
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static StructureConstPtr intAlarmField;
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static StructureConstPtr longAlarmField;
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static StructureConstPtr floatAlarmField;
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static StructureConstPtr doubleAlarmField;
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static StructureConstPtr enumeratedAlarmField;
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static void createAlarm() {
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FieldConstPtrArray fields = new FieldConstPtr[2];
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fields[0] = fieldCreate->createScalar(String("severity"),pvInt);
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fields[1] = fieldCreate->createScalar(String("message"),pvString);
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alarmField = fieldCreate->createStructure(String("alarm"),2,fields);
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}
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static void createTimeStamp() {
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FieldConstPtrArray fields = new FieldConstPtr[2];
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fields[0] = fieldCreate->createScalar(String("secondsPastEpoch"),pvLong);
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fields[1] = fieldCreate->createScalar(String("nanoSeconds"),pvInt);
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timeStampField = fieldCreate->createStructure(String("timeStamp"),2,fields);
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}
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static void createDisplay() {
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FieldConstPtrArray limitFields = new FieldConstPtr[2];
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limitFields[0] = fieldCreate->createScalar(String("low"),pvDouble);
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limitFields[1] = fieldCreate->createScalar(String("high"),pvDouble);
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FieldConstPtrArray fields = new FieldConstPtr[4];
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fields[0] = fieldCreate->createScalar(String("description"),pvString);
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fields[1] = fieldCreate->createScalar(String("format"),pvString);
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fields[2] = fieldCreate->createScalar(String("units"),pvString);
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fields[3] = fieldCreate->createStructure(String("limit"),2,limitFields);
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displayField = fieldCreate->createStructure(String("display"),4,fields);
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}
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static void createControl() {
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FieldConstPtrArray limitFields = new FieldConstPtr[2];
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limitFields[0] = fieldCreate->createScalar(String("low"),pvDouble);
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limitFields[1] = fieldCreate->createScalar(String("high"),pvDouble);
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FieldConstPtrArray fields = new FieldConstPtr[2];
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fields[0] = fieldCreate->createStructure(String("limit"),2,limitFields);
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fields[1] = fieldCreate->createScalar(String("minStep"),pvDouble);
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controlField = fieldCreate->createStructure(String("control"),2,fields);
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}
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static void createBooleanAlarm() {
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FieldConstPtrArray fields = new FieldConstPtr[4];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("falseSeverity"),pvInt);
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fields[2] = fieldCreate->createScalar(String("trueSeverity"),pvInt);
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fields[3] = fieldCreate->createScalar(String("changeStateSeverity"),pvInt);
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booleanAlarmField = fieldCreate->createStructure(String("valueAlarm"),4,fields);
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}
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static void createByteAlarm() {
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int numFields = 10;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvByte);
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fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvByte);
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fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvByte);
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fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvByte);
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fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
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fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
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fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
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fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
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fields[9] = fieldCreate->createScalar(String("hystersis"),pvByte);
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byteAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static void createShortAlarm() {
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int numFields = 10;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvShort);
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fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvShort);
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fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvShort);
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fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvShort);
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fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
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fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
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fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
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fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
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fields[9] = fieldCreate->createScalar(String("hystersis"),pvShort);
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shortAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static void createIntAlarm() {
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int numFields = 10;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvInt);
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fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvInt);
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fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvInt);
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fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvInt);
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fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
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fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
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fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
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fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
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fields[9] = fieldCreate->createScalar(String("hystersis"),pvInt);
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intAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static void createLongAlarm() {
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int numFields = 10;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvLong);
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fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvLong);
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fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvLong);
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fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvLong);
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fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
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fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
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fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
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fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
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fields[9] = fieldCreate->createScalar(String("hystersis"),pvLong);
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longAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static void createFloatAlarm() {
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int numFields = 10;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvFloat);
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fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvFloat);
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fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvFloat);
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fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvFloat);
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fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
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fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
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fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
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fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
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fields[9] = fieldCreate->createScalar(String("hystersis"),pvFloat);
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floatAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static void createDoubleAlarm() {
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int numFields = 10;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("lowAlarmLimit"),pvDouble);
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fields[2] = fieldCreate->createScalar(String("lowWarningLimit"),pvDouble);
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fields[3] = fieldCreate->createScalar(String("highWarningLimit"),pvDouble);
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fields[4] = fieldCreate->createScalar(String("highAlarmLimit"),pvDouble);
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fields[5] = fieldCreate->createScalar(String("lowAlarmSeverity"),pvInt);
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fields[6] = fieldCreate->createScalar(String("lowWarningSeverity"),pvInt);
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fields[7] = fieldCreate->createScalar(String("highWarningSeverity"),pvInt);
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fields[8] = fieldCreate->createScalar(String("highAlarmSeverity"),pvInt);
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fields[9] = fieldCreate->createScalar(String("hystersis"),pvDouble);
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doubleAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static void createEnumeratedAlarm() {
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int numFields = 3;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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fields[0] = fieldCreate->createScalar(String("active"),pvBoolean);
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fields[1] = fieldCreate->createScalar(String("stateSeverity"),pvInt);
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fields[2] = fieldCreate->createScalar(String("changeStateSeverity"),pvInt);
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enumeratedAlarmField = fieldCreate->createStructure(String("valueAlarm"),numFields,fields);
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}
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static StructureConstPtr createProperties(String fieldName,FieldConstPtr field,String properties) {
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bool gotAlarm = false;
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bool gotTimeStamp = false;
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bool gotDisplay = false;
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bool gotControl = false;
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bool gotValueAlarm = false;
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int numProp = 0;
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if(properties.find("alarm")!=String::npos) { gotAlarm = true; numProp++; }
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if(properties.find("timeStamp")!=String::npos) { gotTimeStamp = true; numProp++; }
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if(properties.find("display")!=String::npos) { gotDisplay = true; numProp++; }
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if(properties.find("control")!=String::npos) { gotControl = true; numProp++; }
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if(properties.find("valueAlarm")!=String::npos) { gotValueAlarm = true; numProp++; }
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StructureConstPtr valueAlarm;
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Type type= field->getType();
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while(gotValueAlarm) {
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if(type==scalar) {
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ScalarConstPtr scalar = static_pointer_cast<const Scalar>(field);
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ScalarType scalarType = scalar->getScalarType();
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switch(scalarType) {
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case pvBoolean: valueAlarm = booleanAlarmField; break;
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case pvByte: valueAlarm = byteAlarmField; break;
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case pvShort: valueAlarm = shortAlarmField; break;
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case pvInt: valueAlarm = intAlarmField; break;
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case pvLong: valueAlarm = longAlarmField; break;
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case pvFloat: valueAlarm = floatAlarmField; break;
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case pvDouble: valueAlarm = doubleAlarmField; break;
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default:
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throw std::logic_error(String("valueAlarm property for illegal type"));
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}
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break;
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}
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if(type==structure) {
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StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
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if(structurePtr->getNumberFields()==2) {
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FieldConstPtrArray fields = structurePtr->getFields();
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FieldConstPtr first = fields[0];
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FieldConstPtr second = fields[1];
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String nameFirst = first->getFieldName();
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String nameSecond = second->getFieldName();
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int compareFirst = nameFirst.compare("index");
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int compareSecond = nameSecond.compare("choices");
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if(compareFirst==0 && compareSecond==0) {
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if(first->getType()==scalar
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&& second->getType()==scalarArray) {
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ScalarConstPtr scalarFirst = static_pointer_cast<const Scalar>(first);
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ScalarArrayConstPtr scalarArraySecond =
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static_pointer_cast<const ScalarArray>(second);
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if(scalarFirst->getScalarType()==pvInt
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&& scalarArraySecond->getElementType()==pvString) {
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valueAlarm = enumeratedAlarmField;
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break;
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}
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}
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}
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}
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}
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throw std::logic_error(String("valueAlarm property for illegal type"));
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}
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int numFields = numProp+1;
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FieldConstPtrArray fields = new FieldConstPtr[numFields];
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int next = 0;
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fields[next++] = field;
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if(gotAlarm) {fields[next++] = alarmField;}
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if(gotTimeStamp) {fields[next++] = timeStampField;}
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if(gotDisplay) {fields[next++] = displayField;}
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if(gotControl) {fields[next++] = controlField;}
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if(gotValueAlarm) {fields[next++] = valueAlarm;}
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return fieldCreate->createStructure(fieldName,numFields,fields);
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}
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ScalarConstPtr StandardField::scalar(String fieldName,ScalarType type)
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{
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return fieldCreate->createScalar(fieldName,type);
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}
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StructureConstPtr StandardField::scalar(
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String fieldName,ScalarType type,String properties)
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{
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ScalarConstPtr field = fieldCreate->createScalar(valueFieldName,type);
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return createProperties(fieldName,field,properties);
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}
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ScalarArrayConstPtr StandardField::scalarArray(
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String fieldName,ScalarType elementType)
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{
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return fieldCreate->createScalarArray(fieldName,elementType);
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}
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StructureConstPtr StandardField::scalarArray(
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String fieldName,ScalarType elementType, String properties)
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{
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ScalarArrayConstPtr field = fieldCreate->createScalarArray(
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valueFieldName,elementType);
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return createProperties(fieldName,field,properties);
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}
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StructureArrayConstPtr StandardField::structureArray(
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String fieldName,StructureConstPtr structure)
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{
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return fieldCreate->createStructureArray(fieldName,structure);
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}
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StructureConstPtr StandardField::structureArray(
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String fieldName,StructureConstPtr structure,String properties)
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{
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StructureArrayConstPtr field = fieldCreate->createStructureArray(
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valueFieldName,structure);
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return createProperties(fieldName,field,properties);
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}
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StructureConstPtr StandardField::structure(
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String fieldName,int numFields,FieldConstPtrArray fields)
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{
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return fieldCreate->createStructure(fieldName,numFields,fields);
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}
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StructureConstPtr StandardField::enumerated(String fieldName)
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{
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FieldConstPtrArray fields = new FieldConstPtr[2];
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fields[0] = fieldCreate->createScalar(String("index"),pvInt);
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fields[1] = fieldCreate->createScalarArray(String("choices"),pvString);
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return fieldCreate->createStructure(fieldName,2,fields);
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}
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StructureConstPtr StandardField::enumerated(
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String fieldName,String properties)
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{
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StructureConstPtr field = standardField->enumerated(valueFieldName);
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return createProperties(fieldName,field,properties);
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}
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ScalarConstPtr StandardField::scalarValue(ScalarType type)
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{
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return fieldCreate->createScalar(valueFieldName,type);
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}
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StructureConstPtr StandardField::scalarValue(ScalarType type,String properties)
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{
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ScalarConstPtr field = fieldCreate->createScalar(valueFieldName,type);
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return createProperties(valueFieldName,field,properties);
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}
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ScalarArrayConstPtr StandardField::scalarArrayValue(ScalarType elementType)
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{
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return fieldCreate->createScalarArray(valueFieldName,elementType);
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}
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StructureConstPtr StandardField::scalarArrayValue(
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ScalarType elementType, String properties)
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{
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ScalarArrayConstPtr field = fieldCreate->createScalarArray(
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valueFieldName,elementType);
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return createProperties(valueFieldName,field,properties);
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}
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StructureArrayConstPtr StandardField::structureArrayValue(
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StructureConstPtr structure)
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{
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return fieldCreate->createStructureArray(valueFieldName,structure);
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}
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StructureConstPtr StandardField::structureArrayValue(
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StructureConstPtr structure,String properties)
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{
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StructureArrayConstPtr field = fieldCreate->createStructureArray(
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valueFieldName,structure);
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return createProperties(valueFieldName,field,properties);
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}
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StructureConstPtr StandardField::structureValue(
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int numFields,FieldConstPtrArray fields)
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{
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return fieldCreate->createStructure(valueFieldName,numFields,fields);
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}
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StructureConstPtr StandardField::enumeratedValue()
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{
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FieldConstPtrArray fields = new FieldConstPtr[2];
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fields[0] = fieldCreate->createScalar(String("index"),pvInt);
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fields[1] = fieldCreate->createScalarArray(String("choices"),pvString);
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return fieldCreate->createStructure(valueFieldName,2,fields);
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}
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StructureConstPtr StandardField::enumeratedValue( String properties)
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{
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StructureConstPtr field = standardField->enumerated(valueFieldName);
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return createProperties(valueFieldName,field,properties);
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}
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StructureConstPtr StandardField::alarm()
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{
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return alarmField;
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}
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StructureConstPtr StandardField::timeStamp()
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{
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return timeStampField;
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}
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StructureConstPtr StandardField::display()
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{
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return displayField;
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}
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StructureConstPtr StandardField::control()
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{
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return controlField;
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}
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StructureConstPtr StandardField::booleanAlarm()
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{
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return booleanAlarmField;
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}
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StructureConstPtr StandardField::byteAlarm()
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{
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return byteAlarmField;
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}
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StructureConstPtr StandardField::shortAlarm()
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{
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return shortAlarmField;
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}
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StructureConstPtr StandardField::intAlarm()
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{
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return intAlarmField;
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}
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StructureConstPtr StandardField::longAlarm()
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{
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return longAlarmField;
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}
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StructureConstPtr StandardField::floatAlarm()
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{
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return floatAlarmField;
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}
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StructureConstPtr StandardField::doubleAlarm()
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{
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return doubleAlarmField;
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}
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StructureConstPtr StandardField::enumeratedAlarm()
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{
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return enumeratedAlarmField;
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}
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void StandardField::init()
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{
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createAlarm();
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createTimeStamp();
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createDisplay();
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createControl();
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createBooleanAlarm();
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createByteAlarm();
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createShortAlarm();
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createIntAlarm();
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createLongAlarm();
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createFloatAlarm();
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createDoubleAlarm();
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createEnumeratedAlarm();
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}
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StandardField::StandardField(){init();}
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StandardField::~StandardField(){
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}
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static void myDeleteStatic(void*)
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{
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alarmField.reset();
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timeStampField.reset();
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displayField.reset();
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controlField.reset();
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booleanAlarmField.reset();
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byteAlarmField.reset();
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shortAlarmField.reset();
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intAlarmField.reset();
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|
longAlarmField.reset();
|
|
floatAlarmField.reset();
|
|
doubleAlarmField.reset();
|
|
enumeratedAlarmField.reset();
|
|
|
|
}
|
|
|
|
static void myInitStatic(void*)
|
|
{
|
|
standardField = new StandardField();
|
|
fieldCreate = getFieldCreate();
|
|
epicsAtExit(&myDeleteStatic,0);
|
|
}
|
|
|
|
static
|
|
epicsThreadOnceId myInitOnce = EPICS_THREAD_ONCE_INIT;
|
|
|
|
StandardField * getStandardField() {
|
|
epicsThreadOnce(&myInitOnce,&myInitStatic,0);
|
|
return standardField;
|
|
}
|
|
|
|
}}
|