Package org.apache.druid.client.selector

Class ServerSelector

java.lang.Object

org.apache.druid.client.selector.ServerSelector

All Implemented Interfaces:

Overshadowable<ServerSelector>

public class ServerSelector
extends Object
implements Overshadowable<ServerSelector>

Constructor Summary

Constructors

Constructor	Description
ServerSelector(DataSegment segment, TierSelectorStrategy strategy, HistoricalFilter filter)

Method Summary

Modifier and Type	Method	Description
void	addServerAndUpdateSegment(QueryableDruidServer server, DataSegment segment)
List<DruidServerMetadata>	getAllServers(CloneQueryMode cloneQueryMode)
short	getAtomicUpdateGroupSize()
List<DruidServerMetadata>	getCandidates(int numCandidates, CloneQueryMode cloneQueryMode)
int	getEndRootPartitionId()
short	getMinorVersion()
DataSegment	getSegment()
int	getStartRootPartitionId()
String	getVersion()
boolean	hasData()
boolean	isEmpty()
boolean	isRealtimeSegment()	Checks if the segment is currently served by a realtime server, and is not served by a historical.
boolean	overshadows(ServerSelector other)
<T> QueryableDruidServer	pick(Query<T> query, CloneQueryMode cloneQueryMode)
boolean	removeServer(QueryableDruidServer server)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.timeline.Overshadowable

containsRootPartition

Constructor Details

ServerSelector

public ServerSelector(DataSegment segment,
 TierSelectorStrategy strategy,
 HistoricalFilter filter)

Method Details

getSegment

public DataSegment getSegment()

addServerAndUpdateSegment

public void addServerAndUpdateSegment(QueryableDruidServer server,
 DataSegment segment)

removeServer

public boolean removeServer(QueryableDruidServer server)

isEmpty

public boolean isEmpty()

getCandidates

public List<DruidServerMetadata> getCandidates(int numCandidates,
 CloneQueryMode cloneQueryMode)

getAllServers

public List<DruidServerMetadata> getAllServers(CloneQueryMode cloneQueryMode)

pick

@Nullable
public <T> QueryableDruidServer pick(@Nullable
 Query<T> query,
 CloneQueryMode cloneQueryMode)

overshadows

public boolean overshadows(ServerSelector other)

Specified by:

overshadows in interface Overshadowable<ServerSelector>

getStartRootPartitionId

public int getStartRootPartitionId()

Specified by:

getStartRootPartitionId in interface Overshadowable<ServerSelector>

getEndRootPartitionId

public int getEndRootPartitionId()

Specified by:

getEndRootPartitionId in interface Overshadowable<ServerSelector>

getVersion

public String getVersion()

Specified by:

getVersion in interface Overshadowable<ServerSelector>

getMinorVersion

public short getMinorVersion()

Specified by:

getMinorVersion in interface Overshadowable<ServerSelector>

getAtomicUpdateGroupSize

public short getAtomicUpdateGroupSize()

Specified by:

getAtomicUpdateGroupSize in interface Overshadowable<ServerSelector>

hasData

public boolean hasData()

Specified by:

hasData in interface Overshadowable<ServerSelector>

isRealtimeSegment

public boolean isRealtimeSegment()

Checks if the segment is currently served by a realtime server, and is not served by a historical.