Package io.debezium.pipeline.metrics

Class StreamingChangeEventSourceMetrics

java.lang.Object

io.debezium.metrics.Metrics

io.debezium.pipeline.metrics.PipelineMetrics

io.debezium.pipeline.metrics.StreamingChangeEventSourceMetrics

All Implemented Interfaces:

ChangeEventSourceMetricsMXBean, StreamingChangeEventSourceMetricsMXBean, DataChangeEventListener

@ThreadSafe
public class StreamingChangeEventSourceMetrics
extends PipelineMetrics
implements StreamingChangeEventSourceMetricsMXBean, DataChangeEventListener

Author:

Randall Hauch, Jiri Pechanec

Field Summary

Fields

Modifier and Type	Field	Description
private AtomicBoolean	connected
private AtomicReference<Duration>	lagBehindSource
private AtomicReference<String>	lastTransactionId
private static org.slf4j.Logger	LOGGER
private AtomicLong	numberOfCommittedTransactions
private AtomicReference<Map<String,String>>	sourceEventPosition

Fields inherited from class io.debezium.pipeline.metrics.PipelineMetrics

clock, lastEventTimestamp, metadataProvider, numberOfErroneousEvents, taskContext, totalNumberOfEventsSeen

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

NO_OP

Constructor Summary

Constructors

Constructor	Description
StreamingChangeEventSourceMetrics(T taskContext, ChangeEventQueueMetrics changeEventQueueMetrics, EventMetadataProvider metadataProvider)

Method Summary

Modifier and Type	Method	Description
void	connected(boolean connected)
String[]	getCapturedTables()
String	getLastTransactionId()
long	getMilliSecondsBehindSource()
String[]	getMonitoredTables()	Deprecated. Superseded by the 'Captured Tables' metric.
long	getNumberOfCommittedTransactions()
Map<String,String>	getSourceEventPosition()
boolean	isConnected()
void	onConnectorEvent(ConnectorEvent event)	Invoked for events that represent a connector event.
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	reset()

Methods inherited from class io.debezium.pipeline.metrics.PipelineMetrics

getCurrentQueueSizeInBytes, getLastEvent, getMaxQueueSizeInBytes, getMilliSecondsSinceLastEvent, getNumberOfErroneousEvents, getNumberOfEventsFiltered, getQueueRemainingCapacity, getQueueTotalCapacity, getTotalNumberOfEventsSeen, onErroneousEvent, onFilteredEvent

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

getCurrentQueueSizeInBytes, getLastEvent, getMaxQueueSizeInBytes, getMilliSecondsSinceLastEvent, getNumberOfErroneousEvents, getNumberOfEventsFiltered, getQueueRemainingCapacity, getQueueTotalCapacity, getTotalNumberOfEventsSeen

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

onErroneousEvent, onFilteredEvent

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

connected

private final AtomicBoolean connected

lagBehindSource

private final AtomicReference<Duration> lagBehindSource

numberOfCommittedTransactions

private final AtomicLong numberOfCommittedTransactions

sourceEventPosition

private final AtomicReference<Map<String,String>> sourceEventPosition

lastTransactionId

private final AtomicReference<String> lastTransactionId

Constructor Detail

StreamingChangeEventSourceMetrics

public StreamingChangeEventSourceMetrics(T taskContext,
                                         ChangeEventQueueMetrics changeEventQueueMetrics,
                                         EventMetadataProvider metadataProvider)

Method Detail

isConnected

public boolean isConnected()

Specified by:

isConnected in interface StreamingChangeEventSourceMetricsMXBean

getMonitoredTables

@Deprecated
public String[] getMonitoredTables()

Deprecated.

Superseded by the 'Captured Tables' metric. Use getCapturedTables(). Scheduled for removal in a future release.

Specified by:

getMonitoredTables in interface ChangeEventSourceMetricsMXBean

getCapturedTables

public String[] getCapturedTables()

Specified by:

getCapturedTables in interface ChangeEventSourceMetricsMXBean

connected

public void connected(boolean connected)

getSourceEventPosition

public Map<String,String> getSourceEventPosition()

Specified by:

getSourceEventPosition in interface StreamingChangeEventSourceMetricsMXBean

getMilliSecondsBehindSource

public long getMilliSecondsBehindSource()

Specified by:

getMilliSecondsBehindSource in interface StreamingChangeEventSourceMetricsMXBean

getNumberOfCommittedTransactions

public long getNumberOfCommittedTransactions()

Specified by:

getNumberOfCommittedTransactions in interface StreamingChangeEventSourceMetricsMXBean

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

Overrides:

onEvent in class PipelineMetrics

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

Overrides:

onConnectorEvent in class PipelineMetrics

getLastTransactionId

public String getLastTransactionId()

Specified by:

getLastTransactionId in interface StreamingChangeEventSourceMetricsMXBean

reset

public void reset()

Specified by:

reset in interface ChangeEventSourceMetricsMXBean

Overrides:

reset in class PipelineMetrics