Package org.apache.pulsar.broker.loadbalance.extensions

Class BrokerRegistryImpl

java.lang.Object

org.apache.pulsar.broker.loadbalance.extensions.BrokerRegistryImpl

All Implemented Interfaces:

AutoCloseable, BrokerRegistry

public class BrokerRegistryImpl
extends Object
implements BrokerRegistry

The broker registry impl, base on the LockManager.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static enum	BrokerRegistryImpl.State

Constructor Summary

Constructors

Constructor	Description
BrokerRegistryImpl(PulsarService pulsar)

Method Summary

Modifier and Type	Method	Description
void	addListener(BiConsumer<String,org.apache.pulsar.metadata.api.NotificationType> listener)	Add listener to listen the broker register change.
void	close()	Close the broker registry.
CompletableFuture<Map<String,BrokerLookupData>>	getAvailableBrokerLookupDataAsync()	Get the map of brokerId->brokerLookupData.
CompletableFuture<List<String>>	getAvailableBrokersAsync()	Async get available brokers.
String	getBrokerId()	Get the current broker ID.
boolean	isRegistered()	Return the broker has been registered.
boolean	isStarted()	Return the broker registry is started.
protected static boolean	isVerifiedNotification(org.apache.pulsar.metadata.api.Notification t)
protected static String	keyPath(String brokerId)
CompletableFuture<Optional<BrokerLookupData>>	lookupAsync(String broker)	Get the broker lookup data.
CompletableFuture<Void>	registerAsync()	Register local broker to metadata store.
void	start()	Start broker registry.
void	unregister()	Unregister the broker.

Methods inherited from class java.lang.Object

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

Constructor Details

BrokerRegistryImpl

public BrokerRegistryImpl(PulsarService pulsar)

Method Details

start

public void start()
           throws PulsarServerException

Description copied from interface: BrokerRegistry

Start broker registry.

Specified by:

start in interface BrokerRegistry

Throws:

PulsarServerException

isStarted

public boolean isStarted()

Description copied from interface: BrokerRegistry

Return the broker registry is started.

Specified by:

isStarted in interface BrokerRegistry

isRegistered

public boolean isRegistered()

Description copied from interface: BrokerRegistry

Return the broker has been registered.

Specified by:

isRegistered in interface BrokerRegistry

registerAsync

public CompletableFuture<Void> registerAsync()

Description copied from interface: BrokerRegistry

Register local broker to metadata store.

Specified by:

registerAsync in interface BrokerRegistry

unregister

public void unregister()
                throws org.apache.pulsar.metadata.api.MetadataStoreException

Description copied from interface: BrokerRegistry

Unregister the broker. Same as ModularLoadManager.disableBroker()

Specified by:

unregister in interface BrokerRegistry

Throws:

org.apache.pulsar.metadata.api.MetadataStoreException

getBrokerId

public String getBrokerId()

Description copied from interface: BrokerRegistry

Get the current broker ID.

Specified by:

getBrokerId in interface BrokerRegistry

Returns:

The service url without the protocol prefix, 'http://'. e.g. broker-xyz:port

getAvailableBrokersAsync

public CompletableFuture<List<String>> getAvailableBrokersAsync()

Description copied from interface: BrokerRegistry

Async get available brokers.

Specified by:

getAvailableBrokersAsync in interface BrokerRegistry

Returns:

The brokers service url list.

lookupAsync

public CompletableFuture<Optional<BrokerLookupData>> lookupAsync(String broker)

Description copied from interface: BrokerRegistry

Get the broker lookup data.

Specified by:

lookupAsync in interface BrokerRegistry

Parameters:

broker - The service url without the protocol prefix, 'http://'. e.g. broker-xyz:port

getAvailableBrokerLookupDataAsync

public CompletableFuture<Map<String,BrokerLookupData>> getAvailableBrokerLookupDataAsync()

Description copied from interface: BrokerRegistry

Get the map of brokerId->brokerLookupData.

Specified by:

getAvailableBrokerLookupDataAsync in interface BrokerRegistry

Returns:

Map of broker lookup data.

addListener

public void addListener(BiConsumer<String,org.apache.pulsar.metadata.api.NotificationType> listener)

Description copied from interface: BrokerRegistry

Add listener to listen the broker register change.

Specified by:

addListener in interface BrokerRegistry

Parameters:

listener - Key is broker IdBrokerRegistry.getBrokerId() Value is notification type.

close

public void close()
           throws PulsarServerException

Description copied from interface: BrokerRegistry

Close the broker registry.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface BrokerRegistry

Throws:

PulsarServerException - if it fails to close the broker registry.

isVerifiedNotification

protected static boolean isVerifiedNotification(org.apache.pulsar.metadata.api.Notification t)

keyPath

protected static String keyPath(String brokerId)