io.siddhi.extension.io.kafka.multidc.sink

Class KafkaMultiDCSink

java.lang.Object

io.siddhi.core.stream.output.sink.Sink<KafkaSink.KafkaSinkState>

io.siddhi.extension.io.kafka.sink.KafkaSink

io.siddhi.extension.io.kafka.multidc.sink.KafkaMultiDCSink

All Implemented Interfaces:

io.siddhi.core.stream.output.sink.SinkListener

public class KafkaMultiDCSink
extends KafkaSink

This class implements a Kafka sink to publish Siddhi events to multiple kafka clusters. This sink is useful in multi data center deployments where we have two identical setups replicated in two physical locations

Nested Class Summary

Nested classes/interfaces inherited from class io.siddhi.extension.io.kafka.sink.KafkaSink

KafkaSink.KafkaSinkState

Nested classes/interfaces inherited from class io.siddhi.core.stream.output.sink.Sink

io.siddhi.core.stream.output.sink.Sink.OnErrorAction

Field Summary

Fields inherited from class io.siddhi.extension.io.kafka.sink.KafkaSink

bootstrapServers, isBinaryMessage, KAFKA_MESSAGE_KEY, KAFKA_PARTITION_NO, KAFKA_PUBLISH_TOPIC, keyOption, optionalConfigs, SEQ_NO_HEADER_DELIMITER, SEQ_NO_HEADER_FIELD_SEPERATOR, sequenceId

Fields inherited from class io.siddhi.core.stream.output.sink.Sink

isTryingToConnect

Constructor Summary

Constructors

Constructor and Description
KafkaMultiDCSink()

Method Summary

Modifier and Type	Method and Description
void	connect()
void	disconnect()
String[]	getSupportedDynamicOptions()
protected io.siddhi.core.util.snapshot.state.StateFactory<KafkaSink.KafkaSinkState>	init(io.siddhi.query.api.definition.StreamDefinition outputStreamDefinition, io.siddhi.core.util.transport.OptionHolder optionHolder, io.siddhi.core.util.config.ConfigReader sinkConfigReader, io.siddhi.core.config.SiddhiAppContext siddhiAppContext)
void	publish(Object payload, io.siddhi.core.util.transport.DynamicOptions dynamicOptions, KafkaSink.KafkaSinkState kafkaSinkState)

Methods inherited from class io.siddhi.extension.io.kafka.sink.KafkaSink

destroy, exposeServiceDeploymentInfo, getSequencedBinaryPayloadToSend, getSupportedInputEventClasses

Methods inherited from class io.siddhi.core.stream.output.sink.Sink

connectWithRetry, getHandler, getMapper, getServiceDeploymentInfoList, getStreamDefinition, getType, init, initOnlyTransport, isConnected, isStateful, publish, setConnected, shutdown

Methods inherited from class java.lang.Object

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

Constructor Detail

KafkaMultiDCSink

public KafkaMultiDCSink()

Method Detail

init

protected io.siddhi.core.util.snapshot.state.StateFactory<KafkaSink.KafkaSinkState> init(io.siddhi.query.api.definition.StreamDefinition outputStreamDefinition,
                                                                                         io.siddhi.core.util.transport.OptionHolder optionHolder,
                                                                                         io.siddhi.core.util.config.ConfigReader sinkConfigReader,
                                                                                         io.siddhi.core.config.SiddhiAppContext siddhiAppContext)

Overrides:

init in class KafkaSink

getSupportedDynamicOptions

public String[] getSupportedDynamicOptions()

Overrides:

getSupportedDynamicOptions in class KafkaSink

connect

public void connect()
             throws io.siddhi.core.exception.ConnectionUnavailableException

Overrides:

connect in class KafkaSink

Throws:

io.siddhi.core.exception.ConnectionUnavailableException

publish

public void publish(Object payload,
                    io.siddhi.core.util.transport.DynamicOptions dynamicOptions,
                    KafkaSink.KafkaSinkState kafkaSinkState)
             throws io.siddhi.core.exception.ConnectionUnavailableException

Overrides:

publish in class KafkaSink

Throws:

io.siddhi.core.exception.ConnectionUnavailableException

disconnect

public void disconnect()

Overrides:

disconnect in class KafkaSink