Template Class PVScalarValue¶

Defined in File pvData.h

Inheritance Relationships¶

Base Type¶

public epics::pvData::PVScalar (Class PVScalar)

Class Documentation¶

template<typename T> class PVScalarValue : public epics::pvData::PVScalar ¶

Class that holds the data for each possible scalar type.

Public Types

typedef T value_type¶

typedef T *pointer¶

typedef const T *const_pointer¶

Public Functions

POINTER_DEFINITIONS(PVScalarValue)¶

virtual ~PVScalarValue()¶: Destructor

inline storage_t::arg_type get() const¶

Get the value.

Returns: The value.

inline void put(typename storage_t::arg_type v)¶

Put a new value into the PVScalar.

Parameters: value – The value.

virtual std::ostream & dumpValue (std::ostream &o) const OVERRIDE

Puts the PVField raw value to the stream.

Parameters: o – output stream.
Returns: The output stream.

virtual void operator>>=(T &value) const¶

virtual void operator<<=(typename storage_t::arg_type value)¶

template<typename T1> inline T1 getAs() const¶

template<typename T1> inline void putFrom(typename detail::ScalarStorageOps<T1>::arg_type val)¶

inline void putFrom(const AnyScalar &v)¶

virtual void assign (const PVScalar &scalar) OVERRIDE FINAL

virtual void copy (const PVScalar &from) OVERRIDE FINAL

virtual void copyUnchecked (const PVScalar &from) OVERRIDE FINAL

virtual void serialize (ByteBuffer *pbuffer, SerializableControl *pflusher) const OVERRIDE

Serialize field into given buffer.

Parameters

buffer – serialization buffer.
flusher – flush interface.

virtual void deserialize (ByteBuffer *pbuffer, DeserializableControl *pflusher) OVERRIDE FINAL

Deserialize buffer.

Parameters

buffer – serialization buffer.
flusher – deserialization control.

inline virtual void getAs (AnyScalar &v) const OVERRIDE FINAL

inline virtual void putFrom (const void *src, ScalarType stype) OVERRIDE FINAL: Convert and assign.

template<> const ScalarType typeCode

template<> virtual void serialize(ByteBuffer *pbuffer, SerializableControl *pflusher) const¶

Serialize field into given buffer.

Parameters

buffer – serialization buffer.
flusher – flush interface.

template<> virtual void deserialize(ByteBuffer *pbuffer, DeserializableControl *pflusher)¶

Deserialize buffer.

Parameters

buffer – serialization buffer.
flusher – deserialization control.

template<> inline virtual std::ostream &dumpValue(std::ostream &o) const¶: Some explicit specializations exist.

template<> inline virtual std::ostream &dumpValue(std::ostream &o) const

Puts the PVField raw value to the stream.

Parameters: o – output stream.
Returns: The output stream.

template<> inline virtual std::ostream &dumpValue(std::ostream &o) const

Puts the PVField raw value to the stream.

Parameters: o – output stream.
Returns: The output stream.

Public Static Attributes

static const ScalarType typeCode = pvBoolean ¶

Protected Functions

inline explicit PVScalarValue(ScalarConstPtr const &scalar)¶

inline virtual void getAs (void *result, ScalarType rtype) const OVERRIDE FINAL

Protected Attributes

storage_t storage¶

Friends

friend class PVDataCreate