org.apache.druid.client.selector

Class ServerSelector

java.lang.Object

org.apache.druid.client.selector.ServerSelector

All Implemented Interfaces:

DiscoverySelector<QueryableDruidServer>, Overshadowable<ServerSelector>

public class ServerSelector
extends Object
implements DiscoverySelector<QueryableDruidServer>, Overshadowable<ServerSelector>

Constructor Summary

Constructors

Constructor and Description
ServerSelector(DataSegment segment, TierSelectorStrategy strategy)

Method Summary

Modifier and Type	Method and Description
void	addServerAndUpdateSegment(QueryableDruidServer server, DataSegment segment)
List<DruidServerMetadata>	getAllServers()
short	getAtomicUpdateGroupSize()
List<DruidServerMetadata>	getCandidates(int numCandidates)
int	getEndRootPartitionId()
short	getMinorVersion()
DataSegment	getSegment()
int	getStartRootPartitionId()
String	getVersion()
boolean	isEmpty()
boolean	overshadows(ServerSelector other)
QueryableDruidServer	pick()
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 Detail

ServerSelector

public ServerSelector(DataSegment segment,
                      TierSelectorStrategy strategy)

Method Detail

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)

getAllServers

public List<DruidServerMetadata> getAllServers()

pick

@Nullable
public QueryableDruidServer pick()

Specified by:

pick in interface DiscoverySelector<QueryableDruidServer>

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>