Class JcTools

java.lang.Object

io.opentelemetry.sdk.trace.internal.JcTools

public final class JcTools
extends Object

Internal accessor of JCTools package for fast queues.

This class is internal and is hence not for public use. Its APIs are unstable and can change at any time.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Logger	logger
private static final AtomicBoolean	queueCreationWarningLogged

Constructor Summary

Constructors

Modifier	Constructor	Description
private	JcTools()

Method Summary

Modifier and Type	Method	Description
static long	capacity(Queue<?> queue)	Returns the capacity of the Queue.
static <T> void	drain(Queue<T> queue, int limit, Consumer<T> consumer)	Remove up to limit elements from the Queue and hand to consume.
private static <T> void	drainNonJcQueue(Queue<T> queue, int maxExportBatchSize, Consumer<T> consumer)
static <T> Queue<T>	newFixedSizeQueue(int capacity)	Returns a new Queue appropriate for use with multiple producers and a single consumer.

Methods inherited from class Object

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

Field Details

queueCreationWarningLogged

private static final AtomicBoolean queueCreationWarningLogged

logger

private static final Logger logger

Constructor Details

JcTools

private JcTools()

Method Details

newFixedSizeQueue

public static <T> Queue<T> newFixedSizeQueue(int capacity)

Returns a new Queue appropriate for use with multiple producers and a single consumer.

capacity

public static long capacity(Queue<?> queue)

Returns the capacity of the Queue. We cast to the implementation so callers do not need to use the shaded classes.

drain

public static <T> void drain(Queue<T> queue,
 int limit,
 Consumer<T> consumer)

Remove up to limit elements from the Queue and hand to consume.

Throws:

IllegalArgumentException - consumer is null

IllegalArgumentException - if maxExportBatchSize is negative

drainNonJcQueue

private static <T> void drainNonJcQueue(Queue<T> queue,
 int maxExportBatchSize,
 Consumer<T> consumer)