org.apache.druid.server.coordination

Class SegmentLoadDropHandler

java.lang.Object

org.apache.druid.server.coordination.SegmentLoadDropHandler

All Implemented Interfaces:

DataSegmentChangeHandler

public class SegmentLoadDropHandler
extends Object
implements DataSegmentChangeHandler

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SegmentLoadDropHandler.DataSegmentChangeRequestAndStatus
static class	SegmentLoadDropHandler.Status

Constructor Summary

Constructors

Constructor and Description
SegmentLoadDropHandler(com.fasterxml.jackson.databind.ObjectMapper jsonMapper, SegmentLoaderConfig config, DataSegmentAnnouncer announcer, DataSegmentServerAnnouncer serverAnnouncer, SegmentManager segmentManager, SegmentCacheManager segmentCacheManager, ServerTypeConfig serverTypeConfig)

Method Summary

Modifier and Type	Method and Description
void	addSegment(DataSegment segment, DataSegmentChangeCallback callback)
Map<String,Long>	getAverageNumOfRowsPerSegmentForDatasource()
Collection<DataSegment>	getPendingDeleteSnapshot()
Map<String,SegmentRowCountDistribution>	getRowCountDistributionPerDatasource()
boolean	isStarted()
com.google.common.util.concurrent.ListenableFuture<List<SegmentLoadDropHandler.DataSegmentChangeRequestAndStatus>>	processBatch(List<DataSegmentChangeRequest> changeRequests)
void	removeSegment(DataSegment segment, DataSegmentChangeCallback callback)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentLoadDropHandler

@Inject
public SegmentLoadDropHandler(com.fasterxml.jackson.databind.ObjectMapper jsonMapper,
                                      SegmentLoaderConfig config,
                                      DataSegmentAnnouncer announcer,
                                      DataSegmentServerAnnouncer serverAnnouncer,
                                      SegmentManager segmentManager,
                                      SegmentCacheManager segmentCacheManager,
                                      ServerTypeConfig serverTypeConfig)

Method Detail

start

public void start()
           throws IOException

Throws:

IOException

stop

public void stop()

isStarted

public boolean isStarted()

getAverageNumOfRowsPerSegmentForDatasource

public Map<String,Long> getAverageNumOfRowsPerSegmentForDatasource()

getRowCountDistributionPerDatasource

public Map<String,SegmentRowCountDistribution> getRowCountDistributionPerDatasource()

addSegment

public void addSegment(DataSegment segment,
                       @Nullable
                       DataSegmentChangeCallback callback)

Specified by:

addSegment in interface DataSegmentChangeHandler

removeSegment

public void removeSegment(DataSegment segment,
                          @Nullable
                          DataSegmentChangeCallback callback)

Specified by:

removeSegment in interface DataSegmentChangeHandler

getPendingDeleteSnapshot

public Collection<DataSegment> getPendingDeleteSnapshot()

processBatch

public com.google.common.util.concurrent.ListenableFuture<List<SegmentLoadDropHandler.DataSegmentChangeRequestAndStatus>> processBatch(List<DataSegmentChangeRequest> changeRequests)