Package org.apache.dubbo.metrics.collector.sample

Class ThreadPoolMetricsSampler

java.lang.Object

org.apache.dubbo.metrics.collector.sample.ThreadPoolMetricsSampler

All Implemented Interfaces:

org.apache.dubbo.common.store.DataStoreUpdateListener, MetricsSampler

public class ThreadPoolMetricsSampler
extends Object
implements MetricsSampler, org.apache.dubbo.common.store.DataStoreUpdateListener

Constructor Summary

Constructors

Constructor	Description
ThreadPoolMetricsSampler(DefaultMetricsCollector collector)

Method Summary

Modifier and Type	Method	Description
void	addExecutors(String name, ExecutorService executorService)
boolean	calSamplesChanged()	Check if samples have been changed.
void	onUpdate(String componentName, String key, Object value)
void	registryDefaultSampleThreadPoolExecutor()
List<MetricSample>	sample()

Methods inherited from class java.lang.Object

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

Constructor Details

ThreadPoolMetricsSampler

public ThreadPoolMetricsSampler(DefaultMetricsCollector collector)

Method Details

onUpdate

public void onUpdate(String componentName,
 String key,
 Object value)

Specified by:

onUpdate in interface org.apache.dubbo.common.store.DataStoreUpdateListener

addExecutors

public void addExecutors(String name,
 ExecutorService executorService)

sample

public List<MetricSample> sample()

Specified by:

sample in interface MetricsSampler

registryDefaultSampleThreadPoolExecutor

public void registryDefaultSampleThreadPoolExecutor()

calSamplesChanged

public boolean calSamplesChanged()

Description copied from interface: MetricsSampler

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

Specified by:

calSamplesChanged in interface MetricsSampler

Returns:

true if samples have been changed