com.hazelcast.util.counters

Interface Counter

All Known Implementing Classes:

MwCounter, SwCounter

public interface Counter

A Counter keeps track of a long value. It depends on the counter if increments are thread-safe. The get is thread-safe in the sense that it will see a recently published value. It doesn't mean that it will see the most recently published value.

Method Summary

Methods

Modifier and Type	Method and Description
long	get() Gets the current value of the counter.
long	inc() Increments the counter by one.
long	inc(long amount) Increments (or decrements) the counter by the given amount.

Method Detail

get

long get()

Gets the current value of the counter.

Returns:

the current value of the counter.

inc

long inc()

Increments the counter by one.

Returns:

the new counter state

inc

long inc(long amount)

Increments (or decrements) the counter by the given amount. If the amount is negative, the counter is decremented.

Parameters:

amount - the amount to increase or decrease the counter with.

Returns:

the new counter state