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Class VariableHistorian

Hierarchy

  • VariableHistorian

Implements

Index

Constructors

Methods

Constructors

constructor

Methods

extractDataValues

  • extractDataValues(historyReadRawModifiedDetails: ReadRawModifiedDetails, maxNumberToExtract: number, isReversed: boolean, reverseDataValue: boolean, callback: function): void
  • Extract a series of dataValue from the History database for this value

    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>

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