org.apache.hadoop.hbase.client

Class RegionServerRegistry

java.lang.Object

org.apache.hadoop.hbase.client.RegionServerRegistry

All Implemented Interfaces:

Closeable, AutoCloseable, ConnectionRegistry

@InterfaceAudience.Private
public class RegionServerRegistry
extends Object
implements ConnectionRegistry

Connection registry implementation for region server.

Field Summary

Fields

Modifier and Type	Field and Description
private HRegionServer	regionServer

Constructor Summary

Constructors

Constructor and Description
RegionServerRegistry(HRegionServer regionServer)

Method Summary

Modifier and Type	Method and Description
void	close() Closes this instance and releases any system resources associated with it
CompletableFuture<ServerName>	getActiveMaster() Get the address of active HMaster.
CompletableFuture<String>	getClusterId() Should only be called once.
String	getConnectionString() Return the connection string associated with this registry instance.
CompletableFuture<RegionLocations>	getMetaRegionLocations() Get the location of meta region(s).

Methods inherited from class java.lang.Object

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

Field Detail

regionServer

private final HRegionServer regionServer

Constructor Detail

RegionServerRegistry

public RegionServerRegistry(HRegionServer regionServer)

Method Detail

getMetaRegionLocations

public CompletableFuture<RegionLocations> getMetaRegionLocations()

Description copied from interface: ConnectionRegistry

Get the location of meta region(s).

Specified by:

getMetaRegionLocations in interface ConnectionRegistry

getClusterId

public CompletableFuture<String> getClusterId()

Description copied from interface: ConnectionRegistry

Should only be called once.

The upper layer should store this value somewhere as it will not be change any more.

Specified by:

getClusterId in interface ConnectionRegistry

getActiveMaster

public CompletableFuture<ServerName> getActiveMaster()

Description copied from interface: ConnectionRegistry

Get the address of active HMaster.

Specified by:

getActiveMaster in interface ConnectionRegistry

getConnectionString

public String getConnectionString()

Description copied from interface: ConnectionRegistry

Return the connection string associated with this registry instance. This value is informational, used for annotating traces. Values returned may not be valid for establishing a working cluster connection.

Specified by:

getConnectionString in interface ConnectionRegistry

close

public void close()

Description copied from interface: ConnectionRegistry

Closes this instance and releases any system resources associated with it

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ConnectionRegistry