de.lmu.ifi.dbs.elki.logging.statistics

Interface Counter

All Superinterfaces:

Statistic

All Known Implementing Classes:

AtomicLongCounter, UnsynchronizedLongCounter

public interface Counter
extends Statistic

Simple statistic by counting. For example: invocations of a method.

Author:

Erich Schubert

Method Summary

Methods

Modifier and Type	Method and Description
long	decrement() Decrement the counter.
long	getValue() Get the current count.
long	increment() Increment the counter.
long	increment(long i) Increment the counter by i.

Methods inherited from interface de.lmu.ifi.dbs.elki.logging.statistics.Statistic

formatValue, getKey

Method Detail

increment

long increment()

Increment the counter.

Returns:

Current value.

decrement

long decrement()

Decrement the counter.

Returns:

Current value.

getValue

long getValue()

Get the current count.

Returns:

Current count.

increment

long increment(long i)

Increment the counter by i. Note: the increment may be negative!

Parameters:

i - increment.

Returns:

Current count.