org.apache.storm.metric

Interface IEventLogger

All Known Implementing Classes:

FileBasedEventLogger

public interface IEventLogger

EventLogger interface for logging the event info to a sink like log file or db for inspecting the events via UI for debugging.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	IEventLogger.EventInfo A wrapper for the fields that we would log.

Method Summary

Modifier and Type	Method and Description
void	close()
void	log(IEventLogger.EventInfo e) This method would be invoked when the EventLoggerBolt receives a tuple from the spouts or bolts that has event logging enabled.
void	prepare(Map<String,Object> conf, Map<String,Object> arguments, TopologyContext context)

Method Detail

prepare

void prepare(Map<String,Object> conf,
             Map<String,Object> arguments,
             TopologyContext context)

log

void log(IEventLogger.EventInfo e)

This method would be invoked when the EventLoggerBolt receives a tuple from the spouts or bolts that has event logging enabled.

Parameters:

e - the event

close

void close()