Package com.wavefront.agent.handlers

Class DeltaCounterAccumulationHandlerImpl

java.lang.Object

com.wavefront.agent.handlers.DeltaCounterAccumulationHandlerImpl

All Implemented Interfaces:

ReportableEntityHandler<wavefront.report.ReportPoint,String>

public class DeltaCounterAccumulationHandlerImpl
extends Object

Handler that processes incoming DeltaCounter objects, aggregates them and hands it over to one of the SenderTask threads according to deltaCountersAggregationIntervalSeconds or before cache expires.

Author:

[email protected]

Field Summary

Fields

Modifier and Type	Field	Description
protected static com.yammer.metrics.core.MetricsRegistry	LOCAL_REGISTRY

Constructor Summary

Constructors

Constructor	Description
DeltaCounterAccumulationHandlerImpl(HandlerKey handlerKey, int blockedItemsPerBatch, Collection<SenderTask<String>> senderTasks, com.wavefront.api.agent.ValidationConfiguration validationConfig, long aggregationIntervalSeconds, Consumer<Long> receivedRateSink, Logger blockedItemLogger, Logger validItemsLogger)

Method Summary

Modifier and Type	Method	Description
void	block(T item)	Handle the input object as blocked.
void	block(T item, String message)	Handle the input object as blocked.
void	flushDeltaCounters()
protected com.yammer.metrics.core.Counter	getReceivedCounter()
protected SenderTask<U>	getTask()
protected void	printStats()
protected void	printTotal()
void	reject(String line, String message)	Reject the input object as invalid, i.e.
void	reject(T item, String message)	Reject the input object as invalid, i.e.
void	report(T item)	Validate and accept the input object.
void	shutdown()	Gracefully shutdown the pipeline.

Methods inherited from class java.lang.Object

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

Field Detail

LOCAL_REGISTRY

protected static final com.yammer.metrics.core.MetricsRegistry LOCAL_REGISTRY

Constructor Detail

DeltaCounterAccumulationHandlerImpl

public DeltaCounterAccumulationHandlerImpl(HandlerKey handlerKey,
                                           int blockedItemsPerBatch,
                                           @Nullable
                                           Collection<SenderTask<String>> senderTasks,
                                           @Nonnull
                                           com.wavefront.api.agent.ValidationConfiguration validationConfig,
                                           long aggregationIntervalSeconds,
                                           @Nullable
                                           Consumer<Long> receivedRateSink,
                                           @Nullable
                                           Logger blockedItemLogger,
                                           @Nullable
                                           Logger validItemsLogger)

Parameters:

handlerKey - metrics pipeline key.

blockedItemsPerBatch - controls sample rate of how many blocked points are written into the main log file.

senderTasks - sender tasks.

validationConfig - validation configuration.

aggregationIntervalSeconds - aggregation interval for delta counters.

receivedRateSink - where to report received rate.

blockedItemLogger - logger for blocked items.

validItemsLogger - logger for valid items.

Method Detail

flushDeltaCounters

public void flushDeltaCounters()

shutdown

public void shutdown()

Description copied from interface: ReportableEntityHandler

Gracefully shutdown the pipeline.

Specified by:

shutdown in interface ReportableEntityHandler<wavefront.report.ReportPoint,String>

reject

public void reject(@Nullable
                   T item,
                   @Nullable
                   String message)

Description copied from interface: ReportableEntityHandler

Reject the input object as invalid, i.e. rejected based on criteria defined by Wavefront.

Specified by:

reject in interface ReportableEntityHandler<T,U>

Parameters:

item - object to reject.

message - more user-friendly message to write to the main log.

reject

public void reject(@Nonnull
                   String line,
                   @Nullable
                   String message)

Description copied from interface: ReportableEntityHandler

Reject the input object as invalid, i.e. rejected based on criteria defined by Wavefront.

Specified by:

reject in interface ReportableEntityHandler<T,U>

Parameters:

line - string to reject and to write to RawBlockedPointsLog.

message - more user-friendly message to write to the main log.

block

public void block(T item)

Description copied from interface: ReportableEntityHandler

Handle the input object as blocked. Blocked objects are otherwise valid objects that are rejected based on user-defined criteria.

Specified by:

block in interface ReportableEntityHandler<T,U>

Parameters:

item - object to block.

block

public void block(@Nullable
                  T item,
                  @Nullable
                  String message)

Description copied from interface: ReportableEntityHandler

Handle the input object as blocked. Blocked objects are otherwise valid objects that are rejected based on user-defined criteria.

Specified by:

block in interface ReportableEntityHandler<T,U>

Parameters:

item - object to block.

message - message to write to the main log.

report

public void report(T item)

Description copied from interface: ReportableEntityHandler

Validate and accept the input object.

Specified by:

report in interface ReportableEntityHandler<T,U>

Parameters:

item - object to accept.

getReceivedCounter

protected com.yammer.metrics.core.Counter getReceivedCounter()

getTask

protected SenderTask<U> getTask()

printStats

protected void printStats()

printTotal

protected void printTotal()