org.apache.hadoop.hbase.regionserver

Class MetricsUserAggregateSourceImpl

java.lang.Object

org.apache.hadoop.hbase.metrics.BaseSourceImpl

org.apache.hadoop.hbase.regionserver.MetricsUserAggregateSourceImpl

All Implemented Interfaces:

BaseSource, MetricsUserAggregateSource, org.apache.hadoop.metrics2.MetricsSource

@InterfaceAudience.Private
public class MetricsUserAggregateSourceImpl
extends BaseSourceImpl
implements MetricsUserAggregateSource

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	LOG
private ConcurrentHashMap<String,MetricsUserSource>	userSources

Fields inherited from class org.apache.hadoop.hbase.metrics.BaseSourceImpl

metricsAdapter, metricsContext, metricsDescription, metricsJmxContext, metricsName, metricsRegistry, registry

Fields inherited from interface org.apache.hadoop.hbase.regionserver.MetricsUserAggregateSource

METRICS_CONTEXT, METRICS_DESCRIPTION, METRICS_JMX_CONTEXT, METRICS_NAME, NUM_USERS, NUMBER_OF_USERS_DESC

Fields inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

HBASE_METRICS_SYSTEM_NAME

Constructor Summary

Constructors

Constructor and Description
MetricsUserAggregateSourceImpl()
MetricsUserAggregateSourceImpl(String metricsName, String metricsDescription, String metricsContext, String metricsJmxContext)

Method Summary

Modifier and Type	Method and Description
void	deregister(MetricsUserSource toRemove)
void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, boolean all)
MetricsUserSource	getOrCreateMetricsUser(String user) Returns a MetricsUserSource if already exists, or creates and registers one for this user
Map<String,MetricsUserSource>	getUserSources()
void	register(MetricsUserSource source)

Methods inherited from class org.apache.hadoop.hbase.metrics.BaseSourceImpl

decGauge, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, getMetricsRegistry, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

decGauge, getMetricRegistryInfo, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram

Field Detail

LOG

private static final org.slf4j.Logger LOG

userSources

private final ConcurrentHashMap<String,MetricsUserSource> userSources

Constructor Detail

MetricsUserAggregateSourceImpl

public MetricsUserAggregateSourceImpl()

MetricsUserAggregateSourceImpl

public MetricsUserAggregateSourceImpl(String metricsName,
                                      String metricsDescription,
                                      String metricsContext,
                                      String metricsJmxContext)

Method Detail

getOrCreateMetricsUser

public MetricsUserSource getOrCreateMetricsUser(String user)

Description copied from interface: MetricsUserAggregateSource

Returns a MetricsUserSource if already exists, or creates and registers one for this user

Specified by:

getOrCreateMetricsUser in interface MetricsUserAggregateSource

Parameters:

user - the user name

Returns:

a metrics user source

register

public void register(MetricsUserSource source)

deregister

public void deregister(MetricsUserSource toRemove)

Specified by:

deregister in interface MetricsUserAggregateSource

getUserSources

public Map<String,MetricsUserSource> getUserSources()

Specified by:

getUserSources in interface MetricsUserAggregateSource

getMetrics

public void getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector,
                       boolean all)

Specified by:

getMetrics in interface org.apache.hadoop.metrics2.MetricsSource

Overrides:

getMetrics in class BaseSourceImpl