Package com.wavefront.agent.handlers

Class EventHandlerImpl

java.lang.Object

com.wavefront.agent.handlers.EventHandlerImpl

All Implemented Interfaces:

ReportableEntityHandler<wavefront.report.ReportEvent,com.wavefront.dto.Event>

public class EventHandlerImpl
extends Object

This class will validate parsed events and distribute them among SenderTask threads.

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
EventHandlerImpl(HandlerKey handlerKey, int blockedItemsPerBatch, Collection<SenderTask<com.wavefront.dto.Event>> senderTasks, Consumer<Long> receivedRateSink, Logger blockedEventsLogger, Logger validEventsLogger)

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.
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.
protected void	reportInternal(wavefront.report.ReportEvent event)
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

EventHandlerImpl

public EventHandlerImpl(HandlerKey handlerKey,
                        int blockedItemsPerBatch,
                        @Nullable
                        Collection<SenderTask<com.wavefront.dto.Event>> senderTasks,
                        @Nullable
                        Consumer<Long> receivedRateSink,
                        @Nullable
                        Logger blockedEventsLogger,
                        @Nullable
                        Logger validEventsLogger)

Parameters:

handlerKey - pipeline key.

blockedItemsPerBatch - number of blocked items that are allowed to be written into the main log.

senderTasks - sender tasks.

receivedRateSink - where to report received rate.

blockedEventsLogger - logger for blocked events.

validEventsLogger - logger for valid events.

Method Detail

reportInternal

protected void reportInternal(wavefront.report.ReportEvent event)

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.

shutdown

public void shutdown()

Description copied from interface: ReportableEntityHandler

Gracefully shutdown the pipeline.

Specified by:

shutdown in interface ReportableEntityHandler<T,U>

getReceivedCounter

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

getTask

protected SenderTask<U> getTask()

printStats

protected void printStats()

printTotal

protected void printTotal()