Package io.debezium.connector.spanner.db.stream

Class PartitionQueryingMonitor

java.lang.Object

io.debezium.connector.spanner.db.stream.PartitionQueryingMonitor

public class PartitionQueryingMonitor
extends Object

Monitors partition querying. If maxMissedEvents is reached, onStuckPartitionConsumer is called.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Duration	CHECK_INTERVAL
private final Consumer<ChangeStreamException>	errorConsumer
private final long	heartBeatIntervalMillis
private final Map<String,Instant>	lastEventTimestampMap
private final MetricsEventPublisher	metricsEventPublisher
private final Consumer<String>	onStuckPartitionConsumer
private final PartitionThreadPool	partitionThreadPool
private Thread	thread
private final Duration	timeout

Constructor Summary

Constructors

Constructor	Description
PartitionQueryingMonitor(PartitionThreadPool partitionThreadPool, Duration heartBeatInterval, Consumer<String> onStuckPartitionConsumer, Consumer<ChangeStreamException> errorConsumer, MetricsEventPublisher metricsEventPublisher, int maxMissedEvents)

Method Summary

Modifier and Type	Method	Description
void	acceptStreamEvent(ChangeStreamEvent changeStreamEvent)
void	checkPartitionThreads()
private boolean	isPartitionStuck(Instant lastEventInstant)
void	start()
void	stop()
private int	stuckHeartbeatIntervals(Instant lastEventInstant)

Methods inherited from class java.lang.Object

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

Field Details

CHECK_INTERVAL

private static final Duration CHECK_INTERVAL

partitionThreadPool

private final PartitionThreadPool partitionThreadPool

heartBeatIntervalMillis

private final long heartBeatIntervalMillis

timeout

private final Duration timeout

thread

private volatile Thread thread

lastEventTimestampMap

private final Map<String,Instant> lastEventTimestampMap

errorConsumer

private final Consumer<ChangeStreamException> errorConsumer

onStuckPartitionConsumer

private final Consumer<String> onStuckPartitionConsumer

metricsEventPublisher

private final MetricsEventPublisher metricsEventPublisher

Constructor Details

PartitionQueryingMonitor

public PartitionQueryingMonitor(PartitionThreadPool partitionThreadPool,
 Duration heartBeatInterval,
 Consumer<String> onStuckPartitionConsumer,
 Consumer<ChangeStreamException> errorConsumer,
 MetricsEventPublisher metricsEventPublisher,
 int maxMissedEvents)

Method Details

checkPartitionThreads

public void checkPartitionThreads()
                           throws InterruptedException

Throws:

InterruptedException

stuckHeartbeatIntervals

private int stuckHeartbeatIntervals(Instant lastEventInstant)

isPartitionStuck

private boolean isPartitionStuck(Instant lastEventInstant)

start

public void start()

stop

public void stop()

acceptStreamEvent

public void acceptStreamEvent(ChangeStreamEvent changeStreamEvent)