Function timestampHasChanged

timestampHasChanged(
    dataValue1: DataValue,
    dataValue2: DataValue,
    timestampsToReturn?: TimestampsToReturn,
): boolean
return if the timestamps of the two dataValue are different
- if timestampsToReturn is not specified, both sourceTimestamp are compared
- if timestampsToReturn is Neither, the function returns false
- if timestampsToReturn is Both, both sourceTimestamp and serverTimestamp are compared
- if timestampsToReturn is Source, only sourceTimestamp are compared
- if timestampsToReturn is Server, only serverTimestamp are compared
Parameters
- dataValue1: DataValue
- dataValue2: DataValue
- OptionaltimestampsToReturn: TimestampsToReturn
Returns boolean
- Defined in packages/node-opcua-data-value/dist/datavalue.d.ts:105