class QOpcUaDataValue#

This class stores OPC UA value data and associated metadata. More…

New in version 6.3.

Synopsis#

Methods#

def __init__()
def __ne__()
def serverPicoseconds()
def serverTimestamp()
def setServerPicoseconds()
def setServerTimestamp()
def setSourcePicoseconds()
def setSourceTimestamp()
def setStatusCode()
def setValue()
def sourcePicoseconds()
def sourceTimestamp()
def statusCode()
def swap()
def value()

Note

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Detailed Description#

This class corresponds to the OPC UA DataValue type.

__init__()#

Constructs an invalid data value.

__init__(other)

Parameters:: other – QOpcUaDataValue

Constructs a data value from other.

__ne__(rhs)#

Parameters:: rhs – QOpcUaDataValue
Return type:: bool

Returns true if lhs is not equal to rhs.

serverPicoseconds()#

Return type:: int

Returns the number of 10 picosecond intervals for the server timestamp.

See also

setServerPicoseconds()

serverTimestamp()#

Return type:: QDateTime

Returns the server timestamp for value() .

See also

setServerTimestamp()

setServerPicoseconds(serverPicoseconds)#

Parameters:: serverPicoseconds – int

Sets the number of 10 picosecond intervals for the server timestamp to serverPicoseconds.

See also

serverPicoseconds()

setServerTimestamp(serverTimestamp)#

Parameters:: serverTimestamp – QDateTime

Sets the server timestamp to serverTimestamp.

See also

serverTimestamp()

setSourcePicoseconds(sourcePicoseconds)#

Parameters:: sourcePicoseconds – int

Sets the number of 10 picosecond intervals for the source timestamp to sourcePicoseconds.

See also

sourcePicoseconds()

setSourceTimestamp(sourceTimestamp)#

Parameters:: sourceTimestamp – QDateTime

Sets the source timestamp to sourceTimestamp.

See also

sourceTimestamp()

setStatusCode(statusCode)#

Parameters:: statusCode – UaStatusCode

Sets the status code to statusCode.

See also

statusCode()

setValue(value)#

Parameters:: value – object

Sets the value to value.

If this data value is to be used with QOpcUaBinaryDataEncoding or QOpcUaGenericStructHandler , the value’s type must be QOpcUaVariant .

See also

value()

sourcePicoseconds()#

Return type:: int

Returns the number of 10 picosecond intervals for the source timestamp.

See also

setSourcePicoseconds()

sourceTimestamp()#

Return type:: QDateTime

Returns the source timestamp for value() .

See also

setSourceTimestamp()

statusCode()#

Return type:: UaStatusCode

Returns the status code for this data value. If the status code is not Good , the value and the timestamps are invalid.

See also

setStatusCode()

swap(other)#

Parameters:: other – QOpcUaDataValue

Swaps this data value instance with other. This function is very fast and never fails.

value()#

Return type:: object

Returns the value.

See also

setValue()