Package org.apache.druid.server.coordinator.loading

Class HttpLoadQueuePeon

java.lang.Object

org.apache.druid.server.coordinator.loading.HttpLoadQueuePeon

All Implemented Interfaces:

LoadQueuePeon

public class HttpLoadQueuePeon
extends Object
implements LoadQueuePeon

Field Summary

Fields

Modifier and Type	Field	Description
static com.fasterxml.jackson.core.type.TypeReference<List<DataSegmentChangeRequest>>	REQUEST_ENTITY_TYPE_REF
static com.fasterxml.jackson.core.type.TypeReference<List<SegmentLoadDropHandler.DataSegmentChangeRequestAndStatus>>	RESPONSE_ENTITY_TYPE_REF

Constructor Summary

Constructors

Constructor	Description
HttpLoadQueuePeon(String baseUrl, com.fasterxml.jackson.databind.ObjectMapper jsonMapper, org.apache.druid.java.util.http.client.HttpClient httpClient, DruidCoordinatorConfig config, ScheduledExecutorService processingExecutor, ExecutorService callBackExecutor)

Method Summary

Modifier and Type	Method	Description
boolean	cancelOperation(org.apache.druid.timeline.DataSegment segment)	Tries to cancel a load/drop operation.
void	dropSegment(org.apache.druid.timeline.DataSegment segment, LoadPeonCallback callback)
CoordinatorRunStats	getAndResetStats()
Set<SegmentHolder>	getSegmentsInQueue()
Set<org.apache.druid.timeline.DataSegment>	getSegmentsMarkedToDrop()
Set<org.apache.druid.timeline.DataSegment>	getSegmentsToDrop()
Set<org.apache.druid.timeline.DataSegment>	getSegmentsToLoad()
long	getSizeOfSegmentsToLoad()
Set<org.apache.druid.timeline.DataSegment>	getTimedOutSegments()
void	loadSegment(org.apache.druid.timeline.DataSegment segment, SegmentAction action, LoadPeonCallback callback)
void	markSegmentToDrop(org.apache.druid.timeline.DataSegment dataSegment)
void	start()
void	stop()
void	unmarkSegmentToDrop(org.apache.druid.timeline.DataSegment dataSegment)

Methods inherited from class java.lang.Object

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

Field Detail

REQUEST_ENTITY_TYPE_REF

public static final com.fasterxml.jackson.core.type.TypeReference<List<DataSegmentChangeRequest>> REQUEST_ENTITY_TYPE_REF

RESPONSE_ENTITY_TYPE_REF

public static final com.fasterxml.jackson.core.type.TypeReference<List<SegmentLoadDropHandler.DataSegmentChangeRequestAndStatus>> RESPONSE_ENTITY_TYPE_REF

Constructor Detail

HttpLoadQueuePeon

public HttpLoadQueuePeon(String baseUrl,
                         com.fasterxml.jackson.databind.ObjectMapper jsonMapper,
                         org.apache.druid.java.util.http.client.HttpClient httpClient,
                         DruidCoordinatorConfig config,
                         ScheduledExecutorService processingExecutor,
                         ExecutorService callBackExecutor)

Method Detail

start

public void start()

Specified by:

start in interface LoadQueuePeon

stop

public void stop()

Specified by:

stop in interface LoadQueuePeon

loadSegment

public void loadSegment(org.apache.druid.timeline.DataSegment segment,
                        SegmentAction action,
                        LoadPeonCallback callback)

Specified by:

loadSegment in interface LoadQueuePeon

dropSegment

public void dropSegment(org.apache.druid.timeline.DataSegment segment,
                        LoadPeonCallback callback)

Specified by:

dropSegment in interface LoadQueuePeon

getSegmentsToLoad

public Set<org.apache.druid.timeline.DataSegment> getSegmentsToLoad()

Specified by:

getSegmentsToLoad in interface LoadQueuePeon

getSegmentsToDrop

public Set<org.apache.druid.timeline.DataSegment> getSegmentsToDrop()

Specified by:

getSegmentsToDrop in interface LoadQueuePeon

getTimedOutSegments

public Set<org.apache.druid.timeline.DataSegment> getTimedOutSegments()

Specified by:

getTimedOutSegments in interface LoadQueuePeon

getSegmentsInQueue

public Set<SegmentHolder> getSegmentsInQueue()

Specified by:

getSegmentsInQueue in interface LoadQueuePeon

getSizeOfSegmentsToLoad

public long getSizeOfSegmentsToLoad()

Specified by:

getSizeOfSegmentsToLoad in interface LoadQueuePeon

getAndResetStats

public CoordinatorRunStats getAndResetStats()

Specified by:

getAndResetStats in interface LoadQueuePeon

markSegmentToDrop

public void markSegmentToDrop(org.apache.druid.timeline.DataSegment dataSegment)

Specified by:

markSegmentToDrop in interface LoadQueuePeon

unmarkSegmentToDrop

public void unmarkSegmentToDrop(org.apache.druid.timeline.DataSegment dataSegment)

Specified by:

unmarkSegmentToDrop in interface LoadQueuePeon

getSegmentsMarkedToDrop

public Set<org.apache.druid.timeline.DataSegment> getSegmentsMarkedToDrop()

Specified by:

getSegmentsMarkedToDrop in interface LoadQueuePeon

cancelOperation

public boolean cancelOperation(org.apache.druid.timeline.DataSegment segment)

Tries to cancel a load/drop operation. An load/drop request can be cancelled only if it has not already been sent to the corresponding server.

Specified by:

cancelOperation in interface LoadQueuePeon

Returns:

true if the operation was successfully cancelled