org.apache.druid.client

Class CachingClusteredClient

java.lang.Object

org.apache.druid.client.CachingClusteredClient

All Implemented Interfaces:

QuerySegmentWalker

public class CachingClusteredClient
extends Object
implements QuerySegmentWalker

This is the class on the Broker that is responsible for making native Druid queries to a cluster of data servers. The main user of this class is ClientQuerySegmentWalker. In tests, its behavior is partially mimicked by TestClusterQuerySegmentWalker.

Constructor Summary

Constructors

Constructor and Description
CachingClusteredClient(QueryToolChestWarehouse warehouse, TimelineServerView serverView, Cache cache, com.fasterxml.jackson.databind.ObjectMapper objectMapper, CachePopulator cachePopulator, CacheConfig cacheConfig, DruidHttpClientConfig httpClientConfig, DruidProcessingConfig processingConfig, ForkJoinPool pool, QueryScheduler scheduler)

Method Summary

Modifier and Type	Method and Description
<T> QueryRunner<T>	getQueryRunnerForIntervals(Query<T> query, Iterable<org.joda.time.Interval> intervals)
<T> QueryRunner<T>	getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs)

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingClusteredClient

@Inject
public CachingClusteredClient(QueryToolChestWarehouse warehouse,
                                      TimelineServerView serverView,
                                      Cache cache,
                                      com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                      CachePopulator cachePopulator,
                                      CacheConfig cacheConfig,
                                      DruidHttpClientConfig httpClientConfig,
                                      DruidProcessingConfig processingConfig,
                                      ForkJoinPool pool,
                                      QueryScheduler scheduler)

Method Detail

getQueryRunnerForIntervals

public <T> QueryRunner<T> getQueryRunnerForIntervals(Query<T> query,
                                                     Iterable<org.joda.time.Interval> intervals)

Specified by:

getQueryRunnerForIntervals in interface QuerySegmentWalker

getQueryRunnerForSegments

public <T> QueryRunner<T> getQueryRunnerForSegments(Query<T> query,
                                                    Iterable<SegmentDescriptor> specs)

Specified by:

getQueryRunnerForSegments in interface QuerySegmentWalker