org.apache.lens.server.query

Class QueryExecutionStatisticsGenerator

java.lang.Object

org.apache.lens.server.api.events.AsyncEventListener<QueryEnded>

org.apache.lens.server.query.QueryExecutionStatisticsGenerator

All Implemented Interfaces:

LensEventListener<QueryEnded>

public class QueryExecutionStatisticsGenerator
extends AsyncEventListener<QueryEnded>

Top level class which handles all Query Events.

Field Summary

Fields inherited from interface org.apache.lens.server.api.events.LensEventListener

HANDLER_METHOD_NAME

Constructor Summary

Constructors

Constructor and Description
QueryExecutionStatisticsGenerator(QueryExecutionServiceImpl queryService, LensEventService eventService) Instantiates a new query execution statistics generator.

Method Summary

Methods

Modifier and Type	Method and Description
void	process(QueryEnded ended) Should implement the actual event handling.

Methods inherited from class org.apache.lens.server.api.events.AsyncEventListener

getEventQueue, onEvent, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryExecutionStatisticsGenerator

public QueryExecutionStatisticsGenerator(QueryExecutionServiceImpl queryService,
                                 LensEventService eventService)

Instantiates a new query execution statistics generator.

Parameters:

queryService - the query service

eventService - the event service

Method Detail

process

public void process(QueryEnded ended)

Description copied from class: AsyncEventListener

Should implement the actual event handling.

Specified by:

process in class AsyncEventListener<QueryEnded>

Parameters:

ended - the event