Package org.apache.solr.prometheus.scraper

Class SolrScraper

java.lang.Object

org.apache.solr.prometheus.scraper.SolrScraper

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

SolrCloudScraper, SolrStandaloneScraper

public abstract class SolrScraper
extends Object
implements Closeable

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	BASE_URL_LABEL
protected static final String	CLUSTER_ID_LABEL
protected final String	clusterId
protected final ExecutorService	executor
protected static final com.fasterxml.jackson.databind.ObjectMapper	OBJECT_MAPPER
protected static final String	ZK_HOST_LABEL

Constructor Summary

Constructors

Constructor	Description
SolrScraper(ExecutorService executor, String clusterId)

Method Summary

Modifier and Type	Method	Description
abstract MetricSamples	collections(MetricsQuery metricsQuery)
abstract Map<String,MetricSamples>	metricsForAllHosts(MetricsQuery query)
abstract Map<String,MetricSamples>	pingAllCollections(MetricsQuery query)
abstract Map<String,MetricSamples>	pingAllCores(MetricsQuery query)
protected MetricSamples	request(org.apache.solr.client.solrj.SolrClient client, MetricsQuery query)
abstract MetricSamples	search(MetricsQuery query)
protected Map<String,MetricSamples>	sendRequestsInParallel(Collection<String> items, Function<String,MetricSamples> samplesCallable)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Field Details

ZK_HOST_LABEL

protected static final String ZK_HOST_LABEL

See Also:

• Constant Field Values

BASE_URL_LABEL

protected static final String BASE_URL_LABEL

See Also:

• Constant Field Values

CLUSTER_ID_LABEL

protected static final String CLUSTER_ID_LABEL

See Also:

• Constant Field Values

OBJECT_MAPPER

protected static final com.fasterxml.jackson.databind.ObjectMapper OBJECT_MAPPER

clusterId

protected final String clusterId

executor

protected final ExecutorService executor

Constructor Details

SolrScraper

public SolrScraper(ExecutorService executor,
 String clusterId)

Method Details

metricsForAllHosts

public abstract Map<String,MetricSamples> metricsForAllHosts(MetricsQuery query)
                                                      throws IOException

Throws:

IOException

pingAllCores

public abstract Map<String,MetricSamples> pingAllCores(MetricsQuery query)
                                                throws IOException

Throws:

IOException

pingAllCollections

public abstract Map<String,MetricSamples> pingAllCollections(MetricsQuery query)
                                                      throws IOException

Throws:

IOException

search

public abstract MetricSamples search(MetricsQuery query)
                              throws IOException

Throws:

IOException

collections

public abstract MetricSamples collections(MetricsQuery metricsQuery)
                                   throws IOException

Throws:

IOException

sendRequestsInParallel

protected Map<String,MetricSamples> sendRequestsInParallel(Collection<String> items,
 Function<String,MetricSamples> samplesCallable)
                                                    throws IOException

Throws:

IOException

request

protected MetricSamples request(org.apache.solr.client.solrj.SolrClient client,
 MetricsQuery query)
                         throws IOException

Throws:

IOException