org.apache.dubbo.metrics.data

Class ApplicationStatComposite

java.lang.Object

org.apache.dubbo.metrics.report.AbstractMetricsExport

org.apache.dubbo.metrics.data.ApplicationStatComposite

All Implemented Interfaces:

MetricsExport

public class ApplicationStatComposite
extends AbstractMetricsExport

Application-level data container, for the initialized MetricsKey, different from the null value of the Map type (the key is not displayed when there is no data), the key is displayed and the initial data is 0 value of the AtomicLong type

Constructor Summary

Constructors

Constructor and Description
ApplicationStatComposite(ApplicationModel applicationModel)

Method Summary

Modifier and Type	Method and Description
boolean	calSamplesChanged() Check if samples have been changed.
List<MetricSample>	export(MetricsCategory category) export all.
Map<MetricsKey,AtomicLong>	getApplicationNumStats()
void	incrementSize(MetricsKey metricsKey, int size)
void	init(List<MetricsKey> appKeys)

Methods inherited from class org.apache.dubbo.metrics.report.AbstractMetricsExport

getApplicationModel, getAppName

Methods inherited from class java.lang.Object

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

Constructor Detail

ApplicationStatComposite

public ApplicationStatComposite(ApplicationModel applicationModel)

Method Detail

init

public void init(List<MetricsKey> appKeys)

incrementSize

public void incrementSize(MetricsKey metricsKey,
                          int size)

export

public List<MetricSample> export(MetricsCategory category)

Description copied from interface: MetricsExport

export all.

getApplicationNumStats

public Map<MetricsKey,AtomicLong> getApplicationNumStats()

calSamplesChanged

public boolean calSamplesChanged()

Description copied from interface: MetricsExport

Check if samples have been changed. Note that this method will reset the changed flag to false using CAS.

Returns:

true if samples have been changed