io.siddhi.core.query.output.ratelimit.event

Class LastGroupByPerEventOutputRateLimiter

java.lang.Object

io.siddhi.core.query.output.ratelimit.OutputRateLimiter<io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter.RateLimiterState>

io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter

All Implemented Interfaces:

PartitionCreationListener

public class LastGroupByPerEventOutputRateLimiter
extends OutputRateLimiter<io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter.RateLimiterState>

Implementation of OutputRateLimiter which will collect pre-defined number of events and the emit only the last event. This implementation specifically handle queries with group by.

Field Summary

Fields inherited from class io.siddhi.core.query.output.ratelimit.OutputRateLimiter

latencyTracker, lockWrapper, outputCallback, queryCallbacks, siddhiQueryContext, stateHolder

Constructor Summary

Constructors

Constructor and Description
LastGroupByPerEventOutputRateLimiter(String id, Integer value)

Method Summary

Modifier and Type	Method and Description
protected StateFactory<io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter.RateLimiterState>	init()
void	partitionCreated() Get called when partition is created
void	process(ComplexEventChunk complexEventChunk)

Methods inherited from class io.siddhi.core.query.output.ratelimit.OutputRateLimiter

addQueryCallback, getOutputCallback, hasCallBack, init, sendToCallBacks, setOutputCallback

Methods inherited from class java.lang.Object

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

Constructor Detail

LastGroupByPerEventOutputRateLimiter

public LastGroupByPerEventOutputRateLimiter(String id,
                                            Integer value)

Method Detail

init

protected StateFactory<io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter.RateLimiterState> init()

Specified by:

init in class OutputRateLimiter<io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter.RateLimiterState>

process

public void process(ComplexEventChunk complexEventChunk)

Specified by:

process in class OutputRateLimiter<io.siddhi.core.query.output.ratelimit.event.LastGroupByPerEventOutputRateLimiter.RateLimiterState>

partitionCreated

public void partitionCreated()

Description copied from interface: PartitionCreationListener

Get called when partition is created