Package org.apache.druid.segment.realtime.appenderator

Class SinkQuerySegmentWalker

java.lang.Object

org.apache.druid.segment.realtime.appenderator.SinkQuerySegmentWalker

All Implemented Interfaces:

QuerySegmentWalker

public class SinkQuerySegmentWalker
extends Object
implements QuerySegmentWalker

Query handler for indexing tasks.

Constructor Summary

Constructors

Constructor

Description

SinkQuerySegmentWalker(String dataSource, VersionedIntervalTimeline<String,org.apache.druid.segment.realtime.appenderator.SinkQuerySegmentWalker.SinkHolder> upgradedSegmentsTimeline, com.fasterxml.jackson.databind.ObjectMapper objectMapper, ServiceEmitter emitter, QueryRunnerFactoryConglomerate conglomerate, QueryProcessingPool queryProcessingPool, Cache cache, CacheConfig cacheConfig, CachePopulatorStats cachePopulatorStats, PolicyEnforcer policyEnforcer)

Method Summary

Modifier and Type	Method	Description
<T> QueryRunner<T>	getQueryRunnerForIntervals(Query<T> query, Iterable<org.joda.time.Interval> intervals)
<T> QueryRunner<T>	getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs)
static String	makeHydrantCacheIdentifier(FireHydrant hydrant)
static String	makeHydrantCacheIdentifier(SegmentId segmentId, int hydrantNumber)
void	registerUpgradedPendingSegment(SegmentIdWithShardSpec id, Sink sink)	Must be called when a segment is announced by a task.
void	unregisterUpgradedPendingSegment(SegmentIdWithShardSpec id, Sink sink)	Must be called when dropping sink from the sinkTimeline It is the responsibility of the caller to unregister all associated ids including the base id

Methods inherited from class java.lang.Object

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

Constructor Details

SinkQuerySegmentWalker

public SinkQuerySegmentWalker(String dataSource,
 VersionedIntervalTimeline<String,org.apache.druid.segment.realtime.appenderator.SinkQuerySegmentWalker.SinkHolder> upgradedSegmentsTimeline,
 com.fasterxml.jackson.databind.ObjectMapper objectMapper,
 ServiceEmitter emitter,
 QueryRunnerFactoryConglomerate conglomerate,
 QueryProcessingPool queryProcessingPool,
 Cache cache,
 CacheConfig cacheConfig,
 CachePopulatorStats cachePopulatorStats,
 PolicyEnforcer policyEnforcer)

Method Details

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

registerUpgradedPendingSegment

public void registerUpgradedPendingSegment(SegmentIdWithShardSpec id,
 Sink sink)

Must be called when a segment is announced by a task. Either the base segment upon allocation or any upgraded version due to a concurrent replace

unregisterUpgradedPendingSegment

public void unregisterUpgradedPendingSegment(SegmentIdWithShardSpec id,
 Sink sink)

Must be called when dropping sink from the sinkTimeline It is the responsibility of the caller to unregister all associated ids including the base id

makeHydrantCacheIdentifier

public static String makeHydrantCacheIdentifier(FireHydrant hydrant)

makeHydrantCacheIdentifier

public static String makeHydrantCacheIdentifier(SegmentId segmentId,
 int hydrantNumber)