Interface IVariableHistorian
Methods
extractDataValues
extractDataValues( historyReadRawModifiedDetails: ReadRawModifiedDetails , maxNumberToExtract: number , isReversed: boolean , reverseDataValue: boolean , callback: function ) : void
Parameters
historyReadRawModifiedDetails: ReadRawModifiedDetails
maxNumberToExtract: number
isReversed: boolean
reverseDataValue: boolean
callback: function
( err: Error | null , dataValue?: DataValue [] ) : void
Parameters
err: Error | null
Optional dataValue: DataValue []
Returns void
Returns void
push
push( newDataValue: DataValue ) : Promise < void >
Parameters
Returns Promise < void >
Legend
Module Object literal Variable Function Function with type parameter Index signature Type alias Type alias with type parameter
Enumeration Enumeration member Property Method
Interface Interface with type parameter Constructor Property Method Index signature
Class Class with type parameter Constructor Property Method Accessor Index signature
Inherited constructor Inherited property Inherited method Inherited accessor
Protected property Protected method Protected accessor
Private property Private method Private accessor
Static property Static method
Extract a series of dataValue from the History database for this value