Package org.apache.solr.metrics

Class SolrDelegateRegistryMetricsContext

java.lang.Object

org.apache.solr.metrics.SolrMetricsContext

org.apache.solr.metrics.SolrDelegateRegistryMetricsContext

public class SolrDelegateRegistryMetricsContext
extends SolrMetricsContext

This class represents a metrics context that is delegate aware in that it is aware of multiple metric registries, a primary and a delegate. This enables creating metrics that are tracked at multiple levels, i.e. core-level and node-level. This class will create instances of new Timer, Meter, Counter, Histogram implementations that hold references to both primary and delegate implementations of corresponding classes. The DelegateRegistry* metric classes are just pass-through to two different implementations. As such the DelegateRegistry* metric classes do not hold any metric data themselves.

See Also:

• SolrMetricsContext

Constructor Summary

Constructors

Constructor	Description
SolrDelegateRegistryMetricsContext(SolrMetricManager metricManager, String registry, String tag, String delegateRegistry)

Method Summary

Modifier and Type	Method	Description
com.codahale.metrics.Counter	counter(String metricName, String... metricPath)	Convenience method for SolrMetricManager.counter(SolrMetricsContext, String, String, String...).
SolrMetricsContext	getChildContext(Object child)	Get a context with the same registry name but a tag that represents a parent-child relationship.
com.codahale.metrics.Histogram	histogram(String metricName, String... metricPath)	Convenience method for SolrMetricManager.histogram(SolrMetricsContext, String, String, String...).
com.codahale.metrics.Meter	meter(String metricName, String... metricPath)	Convenience method for SolrMetricManager.meter(SolrMetricsContext, String, String, String...).
com.codahale.metrics.Timer	timer(String metricName, String... metricPath)	Convenience method for SolrMetricManager.meter(SolrMetricsContext, String, String, String...).

Methods inherited from class org.apache.solr.metrics.SolrMetricsContext

gauge, getMetricManager, getMetricNames, getMetricRegistry, getMetricsSnapshot, getRegistryName, getTag, notANumber, nullNumber, nullObject, nullString, registerMetricName, unregister

Methods inherited from class java.lang.Object

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

Constructor Details

SolrDelegateRegistryMetricsContext

public SolrDelegateRegistryMetricsContext(SolrMetricManager metricManager,
 String registry,
 String tag,
 String delegateRegistry)

Method Details

meter

public com.codahale.metrics.Meter meter(String metricName,
 String... metricPath)

Description copied from class: SolrMetricsContext

Convenience method for SolrMetricManager.meter(SolrMetricsContext, String, String, String...).

Overrides:

meter in class SolrMetricsContext

counter

public com.codahale.metrics.Counter counter(String metricName,
 String... metricPath)

Description copied from class: SolrMetricsContext

Convenience method for SolrMetricManager.counter(SolrMetricsContext, String, String, String...).

Overrides:

counter in class SolrMetricsContext

timer

public com.codahale.metrics.Timer timer(String metricName,
 String... metricPath)

Description copied from class: SolrMetricsContext

Convenience method for SolrMetricManager.meter(SolrMetricsContext, String, String, String...).

Overrides:

timer in class SolrMetricsContext

histogram

public com.codahale.metrics.Histogram histogram(String metricName,
 String... metricPath)

Description copied from class: SolrMetricsContext

Convenience method for SolrMetricManager.histogram(SolrMetricsContext, String, String, String...).

Overrides:

histogram in class SolrMetricsContext

getChildContext

public SolrMetricsContext getChildContext(Object child)

Description copied from class: SolrMetricsContext

Get a context with the same registry name but a tag that represents a parent-child relationship. Since it's a different tag than the parent's context it is assumed that the life-cycle of the parent and child are different.

Overrides:

getChildContext in class SolrMetricsContext

Parameters:

child - child object that produces metrics with a different life-cycle than the parent.