io.aeron

Class Counter

java.lang.Object

org.agrona.concurrent.status.AtomicCounter

io.aeron.Counter

All Implemented Interfaces:

java.lang.AutoCloseable

public class Counter
extends org.agrona.concurrent.status.AtomicCounter

Counter stored in the counters file managed by the media driver which can be read with AeronStat.

Method Summary

Modifier and Type	Method and Description
void	close() Close the counter, releasing the resource managed by the media driver if this was the creator of the Counter.
boolean	isClosed() Has this object been closed and should no longer be used?
long	registrationId() Return the registration id used to register this counter with the media driver.

Methods inherited from class org.agrona.concurrent.status.AtomicCounter

compareAndSet, get, getAndAdd, getAndAddOrdered, getAndSet, getWeak, id, increment, incrementOrdered, proposeMax, proposeMaxOrdered, set, setOrdered, setWeak

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

registrationId

public long registrationId()

Return the registration id used to register this counter with the media driver.

Returns:

registration id

close

public void close()

Close the counter, releasing the resource managed by the media driver if this was the creator of the Counter.

This method is idempotent.

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class org.agrona.concurrent.status.AtomicCounter

isClosed

public boolean isClosed()

Has this object been closed and should no longer be used?

Overrides:

isClosed in class org.agrona.concurrent.status.AtomicCounter

Returns:

true if it has been closed otherwise false.