io.debezium.pipeline.metrics

Class PipelineMetrics

java.lang.Object

io.debezium.metrics.Metrics

io.debezium.pipeline.metrics.PipelineMetrics

All Implemented Interfaces:

ChangeEventSourceMetricsMXBean, DataChangeEventListener

Direct Known Subclasses:

SnapshotChangeEventSourceMetrics, StreamingChangeEventSourceMetrics

@ThreadSafe
public abstract class PipelineMetrics
extends Metrics
implements DataChangeEventListener, ChangeEventSourceMetricsMXBean

Base for metrics implementations.

Author:

Randall Hauch, Jiri Pechanec

Field Summary

Fields

Modifier and Type	Field and Description
private ChangeEventQueueMetrics	changeEventQueueMetrics
protected Clock	clock
private String	lastEvent
protected AtomicLong	lastEventTimestamp
protected EventMetadataProvider	metadataProvider
protected AtomicLong	numberOfErroneousEvents
private AtomicLong	numberOfEventsFiltered
protected CdcSourceTaskContext	taskContext
protected AtomicLong	totalNumberOfEventsSeen

Fields inherited from interface io.debezium.pipeline.source.spi.DataChangeEventListener

NO_OP

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PipelineMetrics(T taskContext, String contextName, ChangeEventQueueMetrics changeEventQueueMetrics, EventMetadataProvider metadataProvider)

Method Summary

Modifier and Type	Method and Description
String	getLastEvent()
long	getMilliSecondsSinceLastEvent()
long	getNumberOfErroneousEvents()
long	getNumberOfEventsFiltered()
int	getQueueRemainingCapacity()
int	getQueueTotalCapacity()
long	getTotalNumberOfEventsSeen()
void	onConnectorEvent(ConnectorEvent event) Invoked for events that represent a connector event.
void	onErroneousEvent(String event) Invoked for events that cannot be processed.
void	onEvent(DataCollectionId source, OffsetContext offset, Object key, org.apache.kafka.connect.data.Struct value) Invoked if an event is processed for a captured table.
void	onFilteredEvent(String event) Invoked for events pertaining to non-captured tables.
void	reset()
private void	updateCommonEventMetrics()

Methods inherited from class io.debezium.metrics.Metrics

metricName, register, unregister

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.pipeline.metrics.ChangeEventSourceMetricsMXBean

getMonitoredTables

Field Detail

metadataProvider

protected final EventMetadataProvider metadataProvider

totalNumberOfEventsSeen

protected final AtomicLong totalNumberOfEventsSeen

numberOfEventsFiltered

private final AtomicLong numberOfEventsFiltered

numberOfErroneousEvents

protected final AtomicLong numberOfErroneousEvents

lastEventTimestamp

protected final AtomicLong lastEventTimestamp

lastEvent

private volatile String lastEvent

clock

protected final Clock clock

changeEventQueueMetrics

private final ChangeEventQueueMetrics changeEventQueueMetrics

taskContext

protected final CdcSourceTaskContext taskContext

Constructor Detail

PipelineMetrics

protected PipelineMetrics(T taskContext,
                          String contextName,
                          ChangeEventQueueMetrics changeEventQueueMetrics,
                          EventMetadataProvider metadataProvider)

Method Detail

onEvent

public void onEvent(DataCollectionId source,
                    OffsetContext offset,
                    Object key,
                    org.apache.kafka.connect.data.Struct value)

Description copied from interface: DataChangeEventListener

Invoked if an event is processed for a captured table.

Specified by:

onEvent in interface DataChangeEventListener

updateCommonEventMetrics

private void updateCommonEventMetrics()

onFilteredEvent

public void onFilteredEvent(String event)

Description copied from interface: DataChangeEventListener

Invoked for events pertaining to non-captured tables.

Specified by:

onFilteredEvent in interface DataChangeEventListener

onErroneousEvent

public void onErroneousEvent(String event)

Description copied from interface: DataChangeEventListener

Invoked for events that cannot be processed.

Specified by:

onErroneousEvent in interface DataChangeEventListener

onConnectorEvent

public void onConnectorEvent(ConnectorEvent event)

Description copied from interface: DataChangeEventListener

Invoked for events that represent a connector event.

Specified by:

onConnectorEvent in interface DataChangeEventListener

getLastEvent

public String getLastEvent()

Specified by:

getLastEvent in interface ChangeEventSourceMetricsMXBean

getMilliSecondsSinceLastEvent

public long getMilliSecondsSinceLastEvent()

Specified by:

getMilliSecondsSinceLastEvent in interface ChangeEventSourceMetricsMXBean

getTotalNumberOfEventsSeen

public long getTotalNumberOfEventsSeen()

Specified by:

getTotalNumberOfEventsSeen in interface ChangeEventSourceMetricsMXBean

getNumberOfEventsFiltered

public long getNumberOfEventsFiltered()

Specified by:

getNumberOfEventsFiltered in interface ChangeEventSourceMetricsMXBean

getNumberOfErroneousEvents

public long getNumberOfErroneousEvents()

Specified by:

getNumberOfErroneousEvents in interface ChangeEventSourceMetricsMXBean

reset

public void reset()

Specified by:

reset in interface ChangeEventSourceMetricsMXBean

getQueueTotalCapacity

public int getQueueTotalCapacity()

Specified by:

getQueueTotalCapacity in interface ChangeEventSourceMetricsMXBean

getQueueRemainingCapacity

public int getQueueRemainingCapacity()

Specified by:

getQueueRemainingCapacity in interface ChangeEventSourceMetricsMXBean