Package io.debezium.transforms.outbox

Class EventRouterDelegate<R extends org.apache.kafka.connect.connector.ConnectRecord<R>>

java.lang.Object

io.debezium.transforms.outbox.EventRouterDelegate<R>

public class EventRouterDelegate<R extends org.apache.kafka.connect.connector.ConnectRecord<R>>
extends Object

A delegate class having common logic between Outbox Event Routers for SQL DBs and MongoDB

Author:

Sungho Hwang

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	EventRouterDelegate.DefaultConfigurationProvider
static interface	EventRouterDelegate.RecordConverter<R>

Field Summary

Fields

Modifier and Type	Field	Description
private List<EventRouterConfigDefinition.AdditionalField>	additionalFields
private org.apache.kafka.connect.transforms.ExtractField<R>	afterExtractor
private Map<String,EventRouterConfigurationProvider>	configurationProviders
private EventRouterDelegate.DefaultConfigurationProvider	defaultConfigurationProvider
private org.apache.kafka.connect.data.Schema	defaultValueSchema
private static String	ENVELOPE_PAYLOAD
private boolean	expandJsonPayload
private String	fieldSchemaVersion
private EventRouterConfigDefinition.InvalidOperationBehavior	invalidOperationBehavior
private static org.slf4j.Logger	LOGGER
private com.fasterxml.jackson.databind.ObjectMapper	objectMapper
private boolean	onlyHeadersInOutputMessage
private org.apache.kafka.connect.transforms.RegexRouter<R>	regexRouter
private boolean	routeTombstoneOnEmptyPayload
private SmtManager<R>	smtManager
private ActivateTracingSpan<R>	tracingSmt
private Map<Integer,org.apache.kafka.connect.data.Schema>	versionedValueSchema

Constructor Summary

Constructors

Constructor	Description
EventRouterDelegate()

Method Summary

Modifier and Type	Method	Description
R	apply(R r, EventRouterDelegate.RecordConverter<R> recordConverter)
void	close()
org.apache.kafka.common.config.ConfigDef	config()
void	configure(Map<String,?> configMap)
private Object	defineRecordKey(String fieldEventKey, org.apache.kafka.connect.data.Struct eventStruct, Object fallbackKey)
private org.apache.kafka.connect.data.Schema	defineRecordKeySchema(String fieldEventKey, org.apache.kafka.connect.data.Schema eventStruct, org.apache.kafka.connect.data.Field fallbackKeyField)
private Long	getEventTimestampMs(String fieldEventTimestamp, org.apache.kafka.connect.data.Struct debeziumEventValue, org.apache.kafka.connect.data.Struct eventStruct)	Returns the Kafka record timestamp for the outgoing record.
private org.apache.kafka.connect.data.SchemaBuilder	getSchemaBuilder(String fieldPayload, org.apache.kafka.connect.data.Schema debeziumEventSchema, String routedTopic)
private String	getSchemaName(org.apache.kafka.connect.data.Schema debeziumEventSchema, String routedTopic)
private org.apache.kafka.connect.data.Schema	getValueSchema(String fieldPayload, org.apache.kafka.connect.data.Schema debeziumEventSchema, Integer version, String routedTopic)
private org.apache.kafka.connect.data.Schema	getValueSchema(String fieldPayload, org.apache.kafka.connect.data.Schema debeziumEventSchema, String routedTopic)
private void	handleUnexpectedOperation(R r)
private EventRouterConfigurationProvider	lookupConfigurationProvider(org.apache.kafka.connect.data.Struct record)	Lookup the configuration provider for the source connector or use the default if not found.
private com.fasterxml.jackson.databind.JsonNode	parseJsonPayload(String jsonString)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

ENVELOPE_PAYLOAD

private static final String ENVELOPE_PAYLOAD

See Also:

Constant Field Values

afterExtractor

private final org.apache.kafka.connect.transforms.ExtractField<R extends org.apache.kafka.connect.connector.ConnectRecord<R>> afterExtractor

regexRouter

private final org.apache.kafka.connect.transforms.RegexRouter<R extends org.apache.kafka.connect.connector.ConnectRecord<R>> regexRouter

invalidOperationBehavior

private EventRouterConfigDefinition.InvalidOperationBehavior invalidOperationBehavior

tracingSmt

private final ActivateTracingSpan<R extends org.apache.kafka.connect.connector.ConnectRecord<R>> tracingSmt

configurationProviders

private final Map<String,EventRouterConfigurationProvider> configurationProviders

defaultConfigurationProvider

private final EventRouterDelegate.DefaultConfigurationProvider defaultConfigurationProvider

fieldSchemaVersion

private String fieldSchemaVersion

routeTombstoneOnEmptyPayload

private boolean routeTombstoneOnEmptyPayload

additionalFields

private List<EventRouterConfigDefinition.AdditionalField> additionalFields

defaultValueSchema

private org.apache.kafka.connect.data.Schema defaultValueSchema

versionedValueSchema

private final Map<Integer,org.apache.kafka.connect.data.Schema> versionedValueSchema

onlyHeadersInOutputMessage

private boolean onlyHeadersInOutputMessage

expandJsonPayload

private boolean expandJsonPayload

objectMapper

private com.fasterxml.jackson.databind.ObjectMapper objectMapper

smtManager

private SmtManager<R extends org.apache.kafka.connect.connector.ConnectRecord<R>> smtManager

Constructor Detail

EventRouterDelegate

public EventRouterDelegate()

Method Detail

apply

public R apply(R r,
               EventRouterDelegate.RecordConverter<R> recordConverter)

getEventTimestampMs

private Long getEventTimestampMs(String fieldEventTimestamp,
                                 org.apache.kafka.connect.data.Struct debeziumEventValue,
                                 org.apache.kafka.connect.data.Struct eventStruct)

Returns the Kafka record timestamp for the outgoing record. Either obtained from the configured field or the timestamp when Debezium processed the event.

defineRecordKeySchema

private org.apache.kafka.connect.data.Schema defineRecordKeySchema(String fieldEventKey,
                                                                   org.apache.kafka.connect.data.Schema eventStruct,
                                                                   org.apache.kafka.connect.data.Field fallbackKeyField)

defineRecordKey

private Object defineRecordKey(String fieldEventKey,
                               org.apache.kafka.connect.data.Struct eventStruct,
                               Object fallbackKey)

handleUnexpectedOperation

private void handleUnexpectedOperation(R r)

parseJsonPayload

private com.fasterxml.jackson.databind.JsonNode parseJsonPayload(String jsonString)
                                                          throws Exception

Throws:

Exception

config

public org.apache.kafka.common.config.ConfigDef config()

close

public void close()

configure

public void configure(Map<String,?> configMap)

getValueSchema

private org.apache.kafka.connect.data.Schema getValueSchema(String fieldPayload,
                                                            org.apache.kafka.connect.data.Schema debeziumEventSchema,
                                                            String routedTopic)

getValueSchema

private org.apache.kafka.connect.data.Schema getValueSchema(String fieldPayload,
                                                            org.apache.kafka.connect.data.Schema debeziumEventSchema,
                                                            Integer version,
                                                            String routedTopic)

getSchemaBuilder

private org.apache.kafka.connect.data.SchemaBuilder getSchemaBuilder(String fieldPayload,
                                                                     org.apache.kafka.connect.data.Schema debeziumEventSchema,
                                                                     String routedTopic)

getSchemaName

private String getSchemaName(org.apache.kafka.connect.data.Schema debeziumEventSchema,
                             String routedTopic)

lookupConfigurationProvider

private EventRouterConfigurationProvider lookupConfigurationProvider(org.apache.kafka.connect.data.Struct record)

Lookup the configuration provider for the source connector or use the default if not found.