Package org.apache.druid.server.coordination

Class ServerManager

java.lang.Object

org.apache.druid.server.coordination.ServerManager

All Implemented Interfaces:

org.apache.druid.query.QuerySegmentWalker

public class ServerManager
extends Object
implements org.apache.druid.query.QuerySegmentWalker

Query handler for Historical processes (see CliHistorical).

In tests, this class's behavior is partially mimicked by TestClusterQuerySegmentWalker.

Constructor Summary

Constructors

Constructor

Description

ServerManager(org.apache.druid.query.QueryRunnerFactoryConglomerate conglomerate, org.apache.druid.java.util.emitter.service.ServiceEmitter emitter, org.apache.druid.query.QueryProcessingPool queryProcessingPool, CachePopulator cachePopulator, com.fasterxml.jackson.databind.ObjectMapper objectMapper, Cache cache, CacheConfig cacheConfig, SegmentManager segmentManager, org.apache.druid.segment.join.JoinableFactoryWrapper joinableFactoryWrapper, ServerConfig serverConfig)

Method Summary

Modifier and Type	Method	Description
protected <T> org.apache.druid.query.QueryRunner<T>	buildQueryRunnerForSegment(org.apache.druid.query.Query<T> query, org.apache.druid.query.SegmentDescriptor descriptor, org.apache.druid.query.QueryRunnerFactory<T,org.apache.druid.query.Query<T>> factory, org.apache.druid.query.QueryToolChest<T,org.apache.druid.query.Query<T>> toolChest, org.apache.druid.timeline.VersionedIntervalTimeline<String,org.apache.druid.segment.ReferenceCountingSegment> timeline, Function<org.apache.druid.segment.SegmentReference,org.apache.druid.segment.SegmentReference> segmentMapFn, AtomicLong cpuTimeAccumulator, Optional<byte[]> cacheKeyPrefix)
<T> org.apache.druid.query.QueryRunner<T>	getQueryRunnerForIntervals(org.apache.druid.query.Query<T> query, Iterable<org.joda.time.Interval> intervals)
<T> org.apache.druid.query.QueryRunner<T>	getQueryRunnerForSegments(org.apache.druid.query.Query<T> query, Iterable<org.apache.druid.query.SegmentDescriptor> specs)

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerManager

@Inject
public ServerManager(org.apache.druid.query.QueryRunnerFactoryConglomerate conglomerate,
                     org.apache.druid.java.util.emitter.service.ServiceEmitter emitter,
                     org.apache.druid.query.QueryProcessingPool queryProcessingPool,
                     CachePopulator cachePopulator,
                     com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                     Cache cache,
                     CacheConfig cacheConfig,
                     SegmentManager segmentManager,
                     org.apache.druid.segment.join.JoinableFactoryWrapper joinableFactoryWrapper,
                     ServerConfig serverConfig)

Method Detail

getQueryRunnerForIntervals

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

Specified by:

getQueryRunnerForIntervals in interface org.apache.druid.query.QuerySegmentWalker

getQueryRunnerForSegments

public <T> org.apache.druid.query.QueryRunner<T> getQueryRunnerForSegments(org.apache.druid.query.Query<T> query,
                                                                           Iterable<org.apache.druid.query.SegmentDescriptor> specs)

Specified by:

getQueryRunnerForSegments in interface org.apache.druid.query.QuerySegmentWalker

buildQueryRunnerForSegment

protected <T> org.apache.druid.query.QueryRunner<T> buildQueryRunnerForSegment(org.apache.druid.query.Query<T> query,
                                                                               org.apache.druid.query.SegmentDescriptor descriptor,
                                                                               org.apache.druid.query.QueryRunnerFactory<T,org.apache.druid.query.Query<T>> factory,
                                                                               org.apache.druid.query.QueryToolChest<T,org.apache.druid.query.Query<T>> toolChest,
                                                                               org.apache.druid.timeline.VersionedIntervalTimeline<String,org.apache.druid.segment.ReferenceCountingSegment> timeline,
                                                                               Function<org.apache.druid.segment.SegmentReference,org.apache.druid.segment.SegmentReference> segmentMapFn,
                                                                               AtomicLong cpuTimeAccumulator,
                                                                               Optional<byte[]> cacheKeyPrefix)