io.nats.client

Interface StatisticsCollector

All Superinterfaces:

Statistics

public interface StatisticsCollector
extends Statistics

A collector for connection metrics.

Information about key metrics is incremented on this collector by the connection.

See Statistics for accessing the collected metrics.

Method Summary

Modifier and Type	Method and Description
void	decrementOutstandingRequests() Decrements the count of outstanding of requests from this connection.
void	incrementDroppedCount() Increments the total number of messages dropped by this connection across all slow consumers.
void	incrementDuplicateRepliesReceived() Increments the total number of duplicate replies received by this connection.
void	incrementErrCount() Increments the total number of op -ERRs received by this connection.
void	incrementExceptionCount() Increments the total number of exceptions seen by this connection.
void	incrementFlushCounter() Increment the total number of outgoing message flushes by this connection.
void	incrementInBytes(long bytes) Increment the total number of message bytes that have come in to this connection.
void	incrementInMsgs() Increments the total number of messages that have come in to this connection.
void	incrementOkCount() Increments the total number of op +OKs received by this connection.
void	incrementOrphanRepliesReceived() Increments the total number of orphan replies received by this connection.
void	incrementOutBytes(long bytes) Increment the total number of message bytes that have gone out of this connection.
void	incrementOutMsgs() Increments the total number of messages that have gone out of this connection.
void	incrementOutstandingRequests() Increments the count of outstanding of requests from this connection.
void	incrementPingCount() Increments the total number of pings that have been sent from this connection.
void	incrementReconnects() Increments the total number of times this connection has tried to reconnect.
void	incrementRepliesReceived() Increments the total number of replies received by this connection.
void	incrementRequestsSent() Increments the total number of requests sent by this connection.
void	registerRead(long bytes) Registers a Socket read by this connection.
void	registerWrite(long bytes) Registers a Socket write by this connection.
void	setAdvancedTracking(boolean trackAdvanced) Sets whether advanced stats are/should be tracked.

Methods inherited from interface io.nats.client.Statistics

getDroppedCount, getDuplicateRepliesReceived, getErrs, getExceptions, getFlushCounter, getInBytes, getInMsgs, getOKs, getOrphanRepliesReceived, getOutBytes, getOutMsgs, getOutstandingRequests, getPings, getReconnects, getRepliesReceived, getRequestsSent

Method Detail

setAdvancedTracking

void setAdvancedTracking(boolean trackAdvanced)

Sets whether advanced stats are/should be tracked.

Parameters:

trackAdvanced - the advanced tracking flag. set to true to turn on advanced tracking

incrementPingCount

void incrementPingCount()

Increments the total number of pings that have been sent from this connection.

incrementReconnects

void incrementReconnects()

Increments the total number of times this connection has tried to reconnect.

incrementDroppedCount

void incrementDroppedCount()

Increments the total number of messages dropped by this connection across all slow consumers.

incrementOkCount

void incrementOkCount()

Increments the total number of op +OKs received by this connection.

incrementErrCount

void incrementErrCount()

Increments the total number of op -ERRs received by this connection.

incrementExceptionCount

void incrementExceptionCount()

Increments the total number of exceptions seen by this connection.

incrementRequestsSent

void incrementRequestsSent()

Increments the total number of requests sent by this connection.

incrementRepliesReceived

void incrementRepliesReceived()

Increments the total number of replies received by this connection.

incrementDuplicateRepliesReceived

void incrementDuplicateRepliesReceived()

Increments the total number of duplicate replies received by this connection.

NOTE: This is only counted if advanced stats are enabled.

incrementOrphanRepliesReceived

void incrementOrphanRepliesReceived()

Increments the total number of orphan replies received by this connection.

NOTE: This is only counted if advanced stats are enabled.

incrementInMsgs

void incrementInMsgs()

Increments the total number of messages that have come in to this connection.

incrementOutMsgs

void incrementOutMsgs()

Increments the total number of messages that have gone out of this connection.

incrementInBytes

void incrementInBytes(long bytes)

Increment the total number of message bytes that have come in to this connection.

Parameters:

bytes - the number of bytes coming in

incrementOutBytes

void incrementOutBytes(long bytes)

Increment the total number of message bytes that have gone out of this connection.

Parameters:

bytes - the number of bytes going out

incrementFlushCounter

void incrementFlushCounter()

Increment the total number of outgoing message flushes by this connection.

incrementOutstandingRequests

void incrementOutstandingRequests()

Increments the count of outstanding of requests from this connection.

decrementOutstandingRequests

void decrementOutstandingRequests()

Decrements the count of outstanding of requests from this connection.

registerRead

void registerRead(long bytes)

Registers a Socket read by this connection.

NOTE: Implementations should only count this if advanced stats are enabled.

Parameters:

bytes - the number of bytes being read

registerWrite

void registerWrite(long bytes)

Registers a Socket write by this connection.

NOTE: Implementations should only count this if advanced stats are enabled.

Parameters:

bytes - the number of bytes being written