Package io.debezium.connector.spanner.task

Class LowWatermarkCalculationJob

java.lang.Object

io.debezium.connector.spanner.task.LowWatermarkCalculationJob

public class LowWatermarkCalculationJob
extends Object

Creates threads form watermark calculations

Field Summary

Fields

Modifier and Type	Field	Description
private Thread	calculationThread
private final boolean	enabled
private final Consumer<Throwable>	errorHandler
private final Lock	lock
private static final org.slf4j.Logger	LOGGER
private final LowWatermarkCalculator	lowWatermarkCalculator
private final LowWatermarkHolder	lowWatermarkHolder
private Thread	mainThread
private final long	period
private final Duration	pollInterval
private final Condition	signal

Constructor Summary

Constructors

Constructor	Description
LowWatermarkCalculationJob(SpannerConnectorConfig connectorConfig, Consumer<Throwable> errorHandler, LowWatermarkCalculator lowWatermarkCalculator, LowWatermarkHolder lowWatermarkHolder)

Method Summary

Modifier and Type	Method	Description
private Thread	createCalculationThread()
private Thread	createMainThread()
private void	getLowWatermark(boolean printOffsets)
void	start()
void	stop()

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

mainThread

private volatile Thread mainThread

calculationThread

private volatile Thread calculationThread

pollInterval

private final Duration pollInterval

errorHandler

private final Consumer<Throwable> errorHandler

enabled

private final boolean enabled

period

private final long period

lowWatermarkCalculator

private final LowWatermarkCalculator lowWatermarkCalculator

lowWatermarkHolder

private final LowWatermarkHolder lowWatermarkHolder

lock

private final Lock lock

signal

private final Condition signal

Constructor Details

LowWatermarkCalculationJob

public LowWatermarkCalculationJob(SpannerConnectorConfig connectorConfig,
 Consumer<Throwable> errorHandler,
 LowWatermarkCalculator lowWatermarkCalculator,
 LowWatermarkHolder lowWatermarkHolder)

Method Details

createMainThread

private Thread createMainThread()

createCalculationThread

private Thread createCalculationThread()

getLowWatermark

private void getLowWatermark(boolean printOffsets)
                      throws InterruptedException

Throws:

InterruptedException

start

public void start()

stop

public void stop()