Package io.opentelemetry.sdk.metrics.internal.export

Class RegisteredReader

java.lang.Object

io.opentelemetry.sdk.metrics.internal.export.RegisteredReader

public class RegisteredReader
extends Object

Represents a MetricReader registered with SdkMeterProvider.

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 final int	id
private static final AtomicInteger	ID_COUNTER
private long	lastCollectEpochNanos
private final MetricReader	metricReader
private final ViewRegistry	viewRegistry

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RegisteredReader(MetricReader metricReader, ViewRegistry viewRegistry)

Method Summary

Modifier and Type	Method	Description
static RegisteredReader	create(MetricReader reader, ViewRegistry viewRegistry)	Construct a new collection info object storing information for collection against a reader.
boolean	equals(Object o)
long	getLastCollectEpochNanos()	Get the time of the last collection for the reader.
MetricReader	getReader()
ViewRegistry	getViewRegistry()	Get the ViewRegistry for the reader.
int	hashCode()
void	setLastCollectEpochNanos(long epochNanos)	Set the time the last collection took place for the reader.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

ID_COUNTER

private static final AtomicInteger ID_COUNTER

id

private final int id

metricReader

private final MetricReader metricReader

viewRegistry

private final ViewRegistry viewRegistry

lastCollectEpochNanos

private volatile long lastCollectEpochNanos

Constructor Details

RegisteredReader

private RegisteredReader(MetricReader metricReader,
 ViewRegistry viewRegistry)

Method Details

create

public static RegisteredReader create(MetricReader reader,
 ViewRegistry viewRegistry)

Construct a new collection info object storing information for collection against a reader.

getReader

public MetricReader getReader()

setLastCollectEpochNanos

public void setLastCollectEpochNanos(long epochNanos)

Set the time the last collection took place for the reader.

Called by SdkMeterProvider's MetricProducer after collection.

getLastCollectEpochNanos

public long getLastCollectEpochNanos()

Get the time of the last collection for the reader.

Used to compute the PointData.getStartEpochNanos() for instruments aggregations with AggregationTemporality.DELTA temporality.

getViewRegistry

public ViewRegistry getViewRegistry()

Get the ViewRegistry for the reader.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@Nullable
 Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object