629c8346d2
Call when appropriate (putFrom(), copyIn(), and replace()). Not called by swap(), take(), reuse(), or shareData(). Users of the second set of methods are expected to call one of the methods in the first set, or call postPut() directly. Document when postPut is (not) called.
98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/* StandardPVField.cpp */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvData 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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/**
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* @author mrk
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*/
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#include <string>
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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 <pv/lock.h>
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#include <pv/pvIntrospect.h>
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#include <pv/pvData.h>
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#include <pv/convert.h>
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#include <pv/standardField.h>
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#include <pv/standardPVField.h>
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namespace epics { namespace pvData {
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StandardPVField::StandardPVField()
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: standardField(getStandardField()),
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fieldCreate(getFieldCreate()),
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pvDataCreate(getPVDataCreate()),
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notImplemented("not implemented")
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{}
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StandardPVField::~StandardPVField(){}
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PVStructurePtr StandardPVField::scalar(
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ScalarType type,String const & properties)
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{
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StructureConstPtr field = standardField->scalar(type,properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::scalarArray(
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ScalarType elementType, String const & properties)
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{
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StructureConstPtr field = standardField->scalarArray(elementType,properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::structureArray(
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StructureConstPtr const & structure,String const & properties)
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{
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StructureConstPtr field = standardField->structureArray(structure,properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::enumerated(StringArray const &choices)
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{
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StructureConstPtr field = standardField->enumerated();
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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PVScalarArrayPtr pvScalarArray = pvStructure->getScalarArrayField(
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"choices",pvString);
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PVStringArray::svector cdata(choices.size());
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std::copy(choices.begin(), choices.end(), cdata.begin());
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static_cast<PVStringArray&>(*pvScalarArray).replace(cdata);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::enumerated(
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StringArray const &choices,String const & properties)
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{
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StructureConstPtr field = standardField->enumerated(properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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PVScalarArrayPtr pvScalarArray = pvStructure->getScalarArrayField(
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"value.choices",pvString);
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PVStringArray::svector cdata(choices.size());
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std::copy(choices.begin(), choices.end(), cdata.begin());
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static_cast<PVStringArray&>(*pvScalarArray).replace(cdata);
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return pvStructure;
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}
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StandardPVFieldPtr StandardPVField::getStandardPVField()
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{
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static StandardPVFieldPtr standardPVField;
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static Mutex mutex;
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Lock xx(mutex);
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if(standardPVField.get()==NULL) {
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standardPVField= StandardPVFieldPtr(new StandardPVField());
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}
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return standardPVField;
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}
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StandardPVFieldPtr getStandardPVField() {
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return StandardPVField::getStandardPVField();
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}
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}}
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