Package io.debezium.metrics

Class Metrics

java.lang.Object

io.debezium.metrics.Metrics

Direct Known Subclasses:

PipelineMetrics, SchemaHistoryMetrics

@ThreadSafe
public abstract class Metrics
extends Object

Base for metrics implementations.

Author:

Jiri Pechanec

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOGGER
private final ObjectName	name
private boolean	registered
private static final int	REGISTRATION_RETRIES
private static final Duration	REGISTRATION_RETRY_DELAY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Metrics(CommonConnectorConfig connectorConfig, String contextName, boolean multiPartitionMode)
protected	Metrics(CdcSourceTaskContext taskContext, String contextName)
protected	Metrics(CdcSourceTaskContext taskContext, Map<String,String> tags)

Method Summary

Modifier and Type	Method	Description
protected ObjectName	metricName(String connectorType, String connectorName, String contextName)
protected ObjectName	metricName(String connectorType, Map<String,String> tags)	Create a JMX metric name for the given metric.
void	register()	Registers a metrics MBean into the platform MBean server.
void	unregister()	Unregisters a metrics MBean from the platform MBean server.

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

REGISTRATION_RETRIES

private static final int REGISTRATION_RETRIES

See Also:

• Constant Field Values

REGISTRATION_RETRY_DELAY

private static final Duration REGISTRATION_RETRY_DELAY

name

private final ObjectName name

registered

private volatile boolean registered

Constructor Details

Metrics

protected Metrics(CdcSourceTaskContext taskContext,
 String contextName)

Metrics

protected Metrics(CdcSourceTaskContext taskContext,
 Map<String,String> tags)

Metrics

protected Metrics(CommonConnectorConfig connectorConfig,
 String contextName,
 boolean multiPartitionMode)

Method Details

register

public void register()

Registers a metrics MBean into the platform MBean server. The method is intentionally synchronized to prevent preemption between registration and unregistration.

unregister

public void unregister()

Unregisters a metrics MBean from the platform MBean server. The method is intentionally synchronized to prevent preemption between registration and unregistration.

metricName

protected ObjectName metricName(String connectorType,
 String connectorName,
 String contextName)

metricName

protected ObjectName metricName(String connectorType,
 Map<String,String> tags)

Create a JMX metric name for the given metric.

Returns:

the JMX metric name