org.apache.solr.util.stats

Class InstrumentedPoolingClientConnectionManager

java.lang.Object

org.apache.http.impl.conn.PoolingClientConnectionManager

org.apache.solr.util.stats.InstrumentedPoolingClientConnectionManager

All Implemented Interfaces:

org.apache.http.conn.ClientConnectionManager, org.apache.http.pool.ConnPoolControl<org.apache.http.conn.routing.HttpRoute>, SolrMetricProducer

public class InstrumentedPoolingClientConnectionManager
extends org.apache.http.impl.conn.PoolingClientConnectionManager
implements SolrMetricProducer

Sub-class of PoolingHttpClientConnectionManager which tracks metrics interesting to Solr. Inspired by dropwizard metrics-httpclient library implementation.

Field Summary

Fields

Modifier and Type	Field and Description
protected com.codahale.metrics.MetricRegistry	metricsRegistry

Constructor Summary

Constructors

Constructor and Description
InstrumentedPoolingClientConnectionManager(org.apache.http.conn.scheme.SchemeRegistry schreg)

Method Summary

Modifier and Type	Method and Description
com.codahale.metrics.MetricRegistry	getMetricsRegistry()
void	initializeMetrics(SolrMetricManager manager, String registry, String scope) Initializes metrics specific to this producer
void	setMetricsRegistry(com.codahale.metrics.MetricRegistry metricRegistry)

Methods inherited from class org.apache.http.impl.conn.PoolingClientConnectionManager

closeExpiredConnections, closeIdleConnections, createConnectionOperator, finalize, getDefaultMaxPerRoute, getMaxPerRoute, getMaxTotal, getSchemeRegistry, getStats, getTotalStats, releaseConnection, requestConnection, setDefaultMaxPerRoute, setMaxPerRoute, setMaxTotal, shutdown

Methods inherited from class java.lang.Object

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

Field Detail

metricsRegistry

protected com.codahale.metrics.MetricRegistry metricsRegistry

Constructor Detail

InstrumentedPoolingClientConnectionManager

public InstrumentedPoolingClientConnectionManager(org.apache.http.conn.scheme.SchemeRegistry schreg)

Method Detail

getMetricsRegistry

public com.codahale.metrics.MetricRegistry getMetricsRegistry()

setMetricsRegistry

public void setMetricsRegistry(com.codahale.metrics.MetricRegistry metricRegistry)

initializeMetrics

public void initializeMetrics(SolrMetricManager manager,
                              String registry,
                              String scope)

Description copied from interface: SolrMetricProducer

Initializes metrics specific to this producer

Specified by:

initializeMetrics in interface SolrMetricProducer

Parameters:

manager - an instance of SolrMetricManager

registry - registry name where metrics are registered

scope - scope of the metrics (eg. handler name) to separate metrics of instances of the same component executing in different contexts