Package net.shibboleth.idp.metrics

Class ReloadableServiceGaugeSet<T>

java.lang.Object

net.shibboleth.utilities.java.support.component.AbstractInitializableComponent

net.shibboleth.idp.metrics.ReloadableServiceGaugeSet<T>

Type Parameters:

T - Type of service we are monitoring

All Implemented Interfaces:

com.codahale.metrics.Metric, com.codahale.metrics.MetricFilter, com.codahale.metrics.MetricSet, Component, DestructableComponent, InitializableComponent

Direct Known Subclasses:

AttributeResolverServiceGaugeSet, MetadataResolverServiceGaugeSet

public class ReloadableServiceGaugeSet<T>
extends AbstractInitializableComponent
implements com.codahale.metrics.MetricSet, com.codahale.metrics.MetricFilter

A set of gauges for a reloadable service.

Field Summary

Fields

Modifier and Type	Field	Description
protected static String	DEFAULT_METRIC_NAME	Default prefix for metrics.
private Map<String,com.codahale.metrics.Metric>	gauges	The map of gauges.
private String	logPrefix	The log Prefix.
private ReloadableService<T>	service	The service to report on.

Fields inherited from interface com.codahale.metrics.MetricFilter

ALL

Constructor Summary

Constructors

Constructor	Description
ReloadableServiceGaugeSet(String metricName)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected void	doInitialize()
protected String	getLogPrefix()	Get the log prefix.
protected Map<String,com.codahale.metrics.Metric>	getMetricMap()	Get the underlying map of metrics.
Map<String,com.codahale.metrics.Metric>	getMetrics()
ReloadableService<T>	getService()	Get the service to report on.
boolean	matches(String name, com.codahale.metrics.Metric metric)
void	setService(ReloadableService<T> svc)	Set the service to report on.

Methods inherited from class net.shibboleth.utilities.java.support.component.AbstractInitializableComponent

destroy, doDestroy, initialize, isDestroyed, isInitialized

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_METRIC_NAME

@Nonnull
@NotEmpty
protected static final String DEFAULT_METRIC_NAME

Default prefix for metrics.

See Also:

Constant Field Values

gauges

@Nonnull
@NonnullElements
private final Map<String,com.codahale.metrics.Metric> gauges

The map of gauges.

service

@NonnullAfterInit
private ReloadableService<T> service

The service to report on.

logPrefix

@Nonnull
@NotEmpty
private final String logPrefix

The log Prefix.

Constructor Detail

ReloadableServiceGaugeSet

public ReloadableServiceGaugeSet(@Nonnull @NotEmpty @ParameterName(name="metricName")
                                 String metricName)

Constructor.

Parameters:

metricName - name to include in metric names produced by this set

Method Detail

getService

@NonnullAfterInit
public ReloadableService<T> getService()

Get the service to report on.

Returns:

service to report on

setService

public void setService(@Nonnull
                       ReloadableService<T> svc)

Set the service to report on.

Parameters:

svc - service instance

doInitialize

protected void doInitialize()
                     throws ComponentInitializationException

Overrides:

doInitialize in class AbstractInitializableComponent

Throws:

ComponentInitializationException

getMetrics

public Map<String,com.codahale.metrics.Metric> getMetrics()

Specified by:

getMetrics in interface com.codahale.metrics.MetricSet

matches

public boolean matches(String name,
                       com.codahale.metrics.Metric metric)

Specified by:

matches in interface com.codahale.metrics.MetricFilter

getMetricMap

@Nonnull
@NonnullElements
@Live
protected Map<String,com.codahale.metrics.Metric> getMetricMap()

Get the underlying map of metrics.

Returns:

map of metrics

getLogPrefix

@Nonnull
@NotEmpty
protected final String getLogPrefix()

Get the log prefix.

Returns:

the log prefix (usually the metric name).