uk.ac.starlink.ttools.task

Interface Aggregator.Accumulator

Enclosing interface:

Aggregator

public static interface Aggregator.Accumulator

Can accumulate multiple data items of a consistent type and yield an aggregate value corresponding to the set.

Method Summary

Modifier and Type	Method and Description
void	add(Aggregator.Accumulator other) Combines the content of another compatible accumulator with the content of this one.
Object	getResult() Returns the aggregated value for the values accumulated so far.
void	submit(Object datum) Submits a value for accumulation.

Method Detail

submit

void submit(Object datum)

Submits a value for accumulation.

Parameters:

datum - value to accumulate

getResult

Object getResult()

Returns the aggregated value for the values accumulated so far.

Returns:

accumulated result

add

void add(Aggregator.Accumulator other)

Combines the content of another compatible accumulator with the content of this one. The effect is as if all the data that have been accumulated into other were accumulated additionally into this one.

Parameters:

other - other compatible accumulator