Package io.debezium.connector.spanner.task

Class SyncEventHandler

java.lang.Object

io.debezium.connector.spanner.task.SyncEventHandler

public class SyncEventHandler
extends Object

Provides a logic for processing Sync Events of different types: New Epoch, Rebalance Answers, Regular events

Field Summary

Fields

Modifier and Type	Field	Description
private final io.debezium.function.BlockingConsumer<TaskStateChangeEvent>	eventConsumer
private static final org.slf4j.Logger	LOGGER
private final TaskSyncContextHolder	taskSyncContextHolder
private final TaskSyncPublisher	taskSyncPublisher

Constructor Summary

Constructors

Constructor	Description
SyncEventHandler(TaskSyncContextHolder taskSyncContextHolder, TaskSyncPublisher taskSyncPublisher, io.debezium.function.BlockingConsumer<TaskStateChangeEvent> eventConsumer)

Method Summary

Modifier and Type	Method	Description
void	process(TaskSyncEvent inSync, SyncEventMetadata metadata)
void	processNewEpoch(TaskSyncEvent inSync, SyncEventMetadata metadata)
void	processPreviousStates(TaskSyncEvent inSync, SyncEventMetadata metadata)
void	processRebalanceAnswer(TaskSyncEvent inSync, SyncEventMetadata metadata)
void	processRegularMessage(TaskSyncEvent inSync, SyncEventMetadata metadata)
void	processUpdateEpoch(TaskSyncEvent inSync, SyncEventMetadata metadata)
private boolean	skipFromMismatchingGeneration(TaskSyncEvent inSync)
void	updateCurrentOffset(TaskSyncEvent inSync, SyncEventMetadata metadata)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

taskSyncContextHolder

private final TaskSyncContextHolder taskSyncContextHolder

taskSyncPublisher

private final TaskSyncPublisher taskSyncPublisher

eventConsumer

private final io.debezium.function.BlockingConsumer<TaskStateChangeEvent> eventConsumer

Constructor Details

SyncEventHandler

public SyncEventHandler(TaskSyncContextHolder taskSyncContextHolder,
 TaskSyncPublisher taskSyncPublisher,
 io.debezium.function.BlockingConsumer<TaskStateChangeEvent> eventConsumer)

Method Details

updateCurrentOffset

public void updateCurrentOffset(TaskSyncEvent inSync,
 SyncEventMetadata metadata)

processPreviousStates

public void processPreviousStates(TaskSyncEvent inSync,
 SyncEventMetadata metadata)

processNewEpoch

public void processNewEpoch(TaskSyncEvent inSync,
 SyncEventMetadata metadata)
                     throws InterruptedException,
IllegalStateException

Throws:

InterruptedException

IllegalStateException

processUpdateEpoch

public void processUpdateEpoch(TaskSyncEvent inSync,
 SyncEventMetadata metadata)
                        throws InterruptedException

Throws:

InterruptedException

processRegularMessage

public void processRegularMessage(TaskSyncEvent inSync,
 SyncEventMetadata metadata)
                           throws InterruptedException

Throws:

InterruptedException

processRebalanceAnswer

public void processRebalanceAnswer(TaskSyncEvent inSync,
 SyncEventMetadata metadata)

skipFromMismatchingGeneration

private boolean skipFromMismatchingGeneration(TaskSyncEvent inSync)

process

public void process(TaskSyncEvent inSync,
 SyncEventMetadata metadata)
             throws InterruptedException,
IllegalStateException

Throws:

InterruptedException

IllegalStateException