io.aeron

Interface CounterProvider

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface CounterProvider

Functional interface that abstracts creation of the counters.

Method Summary

Modifier and Type	Method and Description
AtomicCounter	newCounter(int typeId, DirectBuffer keyBuffer, int keyOffset, int keyLength, DirectBuffer labelBuffer, int labelOffset, int labelLength) Allocate a counter record and wrap it with a new AtomicCounter for use.

Method Detail

newCounter

AtomicCounter newCounter(int typeId,
                         DirectBuffer keyBuffer,
                         int keyOffset,
                         int keyLength,
                         DirectBuffer labelBuffer,
                         int labelOffset,
                         int labelLength)

Allocate a counter record and wrap it with a new AtomicCounter for use.

If the keyBuffer is null then a copy of the key is not attempted.

Parameters:

typeId - for the counter.

keyBuffer - containing the optional key for the counter.

keyOffset - within the keyBuffer at which the key begins.

keyLength - of the key in the keyBuffer.

labelBuffer - containing the mandatory label for the counter.

labelOffset - within the labelBuffer at which the label begins.

labelLength - of the label in the labelBuffer.

Returns:

the counter object.