io.druid.emitter.ambari.metrics

Class WhiteListBasedDruidToTimelineEventConverter

java.lang.Object

io.druid.emitter.ambari.metrics.WhiteListBasedDruidToTimelineEventConverter

All Implemented Interfaces:

DruidToTimelineMetricConverter

public class WhiteListBasedDruidToTimelineEventConverter
extends Object
implements DruidToTimelineMetricConverter

Constructor Summary

Constructors

Constructor and Description
WhiteListBasedDruidToTimelineEventConverter(String namespacePrefix, String appName, String mapPath, com.fasterxml.jackson.databind.ObjectMapper mapper)

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.metrics2.sink.timeline.TimelineMetric	druidEventToTimelineMetric(com.metamx.emitter.service.ServiceMetricEvent serviceMetricEvent) This function acts as a filter.
boolean	equals(Object o)
String	getNamespacePrefix()
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

WhiteListBasedDruidToTimelineEventConverter

public WhiteListBasedDruidToTimelineEventConverter(String namespacePrefix,
                                                   String appName,
                                                   String mapPath,
                                                   com.fasterxml.jackson.databind.ObjectMapper mapper)

Method Detail

getNamespacePrefix

public String getNamespacePrefix()

druidEventToTimelineMetric

public org.apache.hadoop.metrics2.sink.timeline.TimelineMetric druidEventToTimelineMetric(com.metamx.emitter.service.ServiceMetricEvent serviceMetricEvent)

Description copied from interface: DruidToTimelineMetricConverter

This function acts as a filter. It returns null if the event is not suppose to be emitted to Ambari Server Also This function will define the mapping between the druid event dimension's values and Ambari Metric Name

Specified by:

druidEventToTimelineMetric in interface DruidToTimelineMetricConverter

Parameters:

serviceMetricEvent - druid metric event to convert

Returns:

null if the event is not white listed, otherwise return TimelineMetric

The metric name of the ambari timeline metric event is: ...

The order of the dimension is the order returned by getOrderedDimValues() Note that this name will be sanitized by replacing all the `.` or space by `_` AmbariMetricsEmitter.sanitize(String)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object