Constructor Detail

• RegisterBlockFetcher

  RegisterBlockFetcher(SchemaDevice schemaDevice, ModbusDevice modbusDevice)

Method Detail

• getNeededFields

   final List<Field> getNeededFields()

• initialize

   final Unit initialize()

• need

   final Unit need(Field field)

  Parameters:

  field - The field that must be kept up-to-date

• unNeed

   final Unit unNeed(Field field)

  Parameters:

  field - The field that no longer needs to be kept up-to-date

• needAll

   final Unit needAll()

  We want all fields to be kept up-to-date

• unNeedAll

   final Unit unNeedAll()

  We no longer want all fields to be kept up-to-date

• updateAll

  @JvmOverloads() final Unit updateAll(Long maxAge)

  Make sure all registers mentioned in all known fields are retrieved.

• updateAll

  @JvmOverloads() final Unit updateAll()

  Make sure all registers mentioned in all known fields are retrieved.

• update

   final Unit update(Field field)

  We force an immediate update of all registers needed for the provided field. No batching, buffering or any optimization is done.

  Parameters:

  field - The field that must be updated

• update

   final Unit update(Long maxAge)

  Update all registers related to the needed fields to be updated with a maximum age of the provided milliseconds

  Parameters:

  maxAge - maximum age of the fields in milliseconds

• calculateFetchBatches

   List<RegisterBlockFetcher.FetchBatch> calculateFetchBatches(Long maxAge)

  Determine which sets of registers need to be retrieved again.

  Parameters:

  maxAge - The maximum age (in milliseconds) of the data for it to need an update.

  Returns:

  The list of address ranges that must be retrieved (Sorted by the start address)