org.apache.pulsar.zookeeper

Class ZkBookieRackAffinityMapping

java.lang.Object

org.apache.bookkeeper.net.AbstractDNSToSwitchMapping

org.apache.pulsar.zookeeper.ZkBookieRackAffinityMapping

All Implemented Interfaces:

RackChangeNotifier, org.apache.bookkeeper.conf.Configurable, org.apache.bookkeeper.net.DNSToSwitchMapping, ZooKeeperCacheListener<BookiesRackConfiguration>

public class ZkBookieRackAffinityMapping
extends org.apache.bookkeeper.net.AbstractDNSToSwitchMapping
implements ZooKeeperCacheListener<BookiesRackConfiguration>, RackChangeNotifier

It provides the mapping of bookies to its rack from zookeeper.

Field Summary

Fields

Modifier and Type	Field and Description
static String	BOOKIE_INFO_ROOT_PATH
static String	ZK_DATA_CACHE_BK_RACK_CONF_INSTANCE

Constructor Summary

Constructors

Constructor and Description
ZkBookieRackAffinityMapping()

Method Summary

Modifier and Type	Method and Description
void	onUpdate(String path, BookiesRackConfiguration data, org.apache.zookeeper.data.Stat stat)
void	registerRackChangeListener(ITopologyAwareEnsemblePlacementPolicy<org.apache.bookkeeper.net.BookieNode> rackawarePolicy)
void	reloadCachedMappings()
List<String>	resolve(List<String> bookieAddressList)
void	setConf(org.apache.commons.configuration.Configuration conf)
String	toString()

Methods inherited from class org.apache.bookkeeper.net.AbstractDNSToSwitchMapping

dumpTopology, getBookieAddressResolver, getConf, getSwitchMap, isMappingSingleSwitch, isSingleSwitch, isSingleSwitchByScriptPolicy, setBookieAddressResolver, validateConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.bookkeeper.net.DNSToSwitchMapping

useHostName

Field Detail

BOOKIE_INFO_ROOT_PATH

public static final String BOOKIE_INFO_ROOT_PATH

See Also:

Constant Field Values

ZK_DATA_CACHE_BK_RACK_CONF_INSTANCE

public static final String ZK_DATA_CACHE_BK_RACK_CONF_INSTANCE

See Also:

Constant Field Values

Constructor Detail

ZkBookieRackAffinityMapping

public ZkBookieRackAffinityMapping()

Method Detail

setConf

public void setConf(org.apache.commons.configuration.Configuration conf)

Specified by:

setConf in interface org.apache.bookkeeper.conf.Configurable

Overrides:

setConf in class org.apache.bookkeeper.net.AbstractDNSToSwitchMapping

resolve

public List<String> resolve(List<String> bookieAddressList)

Specified by:

resolve in interface org.apache.bookkeeper.net.DNSToSwitchMapping

toString

public String toString()

Overrides:

toString in class Object

reloadCachedMappings

public void reloadCachedMappings()

Specified by:

reloadCachedMappings in interface org.apache.bookkeeper.net.DNSToSwitchMapping

onUpdate

public void onUpdate(String path,
                     BookiesRackConfiguration data,
                     org.apache.zookeeper.data.Stat stat)

Specified by:

onUpdate in interface ZooKeeperCacheListener<BookiesRackConfiguration>

registerRackChangeListener

public void registerRackChangeListener(ITopologyAwareEnsemblePlacementPolicy<org.apache.bookkeeper.net.BookieNode> rackawarePolicy)

Specified by:

registerRackChangeListener in interface RackChangeNotifier