Package io.debezium.metrics

Class Metrics

java.lang.Object

io.debezium.metrics.Metrics

Direct Known Subclasses:

DatabaseHistoryMetrics, PipelineMetrics

@ThreadSafe
public abstract class Metrics
extends Object

Base for metrics implementations.

Author:

Jiri Pechanec

Field Summary

Fields

Modifier and Type	Field	Description
private ObjectName	name
private boolean	registered

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Metrics(CommonConnectorConfig connectorConfig, String contextName)
protected	Metrics(CdcSourceTaskContext taskContext, String contextName)

Method Summary

Modifier and Type	Method	Description
ObjectName	metricName(String connectorType, String connectorName, String contextName)	Create a JMX metric name for the given metric.
void	register(org.slf4j.Logger logger)	Registers a metrics MBean into the platform MBean server.
void	unregister(org.slf4j.Logger logger)	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 Detail

name

private final ObjectName name

registered

private volatile boolean registered

Constructor Detail

Metrics

protected Metrics(CdcSourceTaskContext taskContext,
                  String contextName)

Metrics

protected Metrics(CommonConnectorConfig connectorConfig,
                  String contextName)

Method Detail

register

public void register(org.slf4j.Logger logger)

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

unregister

public final void unregister(org.slf4j.Logger logger)

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

metricName

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

Create a JMX metric name for the given metric.

Parameters:

contextName - the name of the context

Returns:

the JMX metric name

Throws:

MalformedObjectNameException - if the name is invalid