Package org.apache.druid.client

Class BrokerServerView

java.lang.Object

org.apache.druid.client.BrokerServerView

All Implemented Interfaces:

ServerView, TimelineServerView

public class BrokerServerView
extends Object
implements TimelineServerView

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.druid.client.ServerView

ServerView.BaseSegmentCallback, ServerView.CallbackAction, ServerView.SegmentCallback, ServerView.ServerCallback

Nested classes/interfaces inherited from interface org.apache.druid.client.TimelineServerView

TimelineServerView.TimelineCallback

Constructor Summary

Constructors

Constructor	Description
BrokerServerView(QueryableDruidServer.Maker directDruidClientFactory, FilteredServerInventoryView baseView, TierSelectorStrategy tierSelectorStrategy, ServiceEmitter emitter, BrokerSegmentWatcherConfig segmentWatcherConfig, BrokerViewOfCoordinatorConfig brokerViewOfCoordinatorConfig)

Method Summary

Modifier and Type	Method	Description
void	awaitInitialization()
QueryableDruidServer.Maker	getDruidClientFactory()
List<DruidServerMetadata>	getDruidServerMetadatas()	Returns a snapshot of the current set of server metadata.
List<ImmutableDruidServer>	getDruidServers()	Returns a snapshot of the current servers, their metadata, and their inventory.
<T> QueryRunner<T>	getQueryRunner(DruidServer server)
Optional<VersionedIntervalTimeline<String,ServerSelector>>	getTimeline(TableDataSource dataSource)	Returns the timeline for a table, if it exists.
boolean	isInitialized()
void	registerSegmentCallback(Executor exec, ServerView.SegmentCallback callback)
void	registerServerCallback(Executor exec, ServerView.ServerCallback callback)
void	registerTimelineCallback(Executor exec, TimelineServerView.TimelineCallback callback)	Register a callback for state changes in the timeline managed by this TimelineServerView.
void	start()

Methods inherited from class java.lang.Object

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

Constructor Details

BrokerServerView

@Inject
public BrokerServerView(QueryableDruidServer.Maker directDruidClientFactory,
 FilteredServerInventoryView baseView,
 TierSelectorStrategy tierSelectorStrategy,
 ServiceEmitter emitter,
 BrokerSegmentWatcherConfig segmentWatcherConfig,
 BrokerViewOfCoordinatorConfig brokerViewOfCoordinatorConfig)

Method Details

start

public void start()
           throws InterruptedException

Throws:

InterruptedException

isInitialized

public boolean isInitialized()

awaitInitialization

public void awaitInitialization()
                         throws InterruptedException

Throws:

InterruptedException

getDruidClientFactory

public QueryableDruidServer.Maker getDruidClientFactory()

getTimeline

public Optional<VersionedIntervalTimeline<String,ServerSelector>> getTimeline(TableDataSource dataSource)

Description copied from interface: TimelineServerView

Returns the timeline for a table, if it exists.

Specified by:

getTimeline in interface TimelineServerView

Parameters:

dataSource - the table

Returns:

timeline, if it exists

registerTimelineCallback

public void registerTimelineCallback(Executor exec,
 TimelineServerView.TimelineCallback callback)

Description copied from interface: TimelineServerView

Register a callback for state changes in the timeline managed by this TimelineServerView. The callback will be called after the relevant change is made to this TimelineServerView's timeline.

Specified by:

registerTimelineCallback in interface TimelineServerView

Parameters:

exec - executor in which to run the callback

callback - the callback

getQueryRunner

public <T> QueryRunner<T> getQueryRunner(DruidServer server)

Specified by:

getQueryRunner in interface TimelineServerView

registerServerCallback

public void registerServerCallback(Executor exec,
 ServerView.ServerCallback callback)

Specified by:

registerServerCallback in interface ServerView

registerSegmentCallback

public void registerSegmentCallback(Executor exec,
 ServerView.SegmentCallback callback)

Specified by:

registerSegmentCallback in interface ServerView

getDruidServerMetadatas

public List<DruidServerMetadata> getDruidServerMetadatas()

Description copied from interface: TimelineServerView

Returns a snapshot of the current set of server metadata.

Specified by:

getDruidServerMetadatas in interface TimelineServerView

getDruidServers

public List<ImmutableDruidServer> getDruidServers()

Description copied from interface: TimelineServerView

Returns a snapshot of the current servers, their metadata, and their inventory.

Specified by:

getDruidServers in interface TimelineServerView