org.apache.pulsar.broker.namespace

Class ServiceUnitZkUtils

java.lang.Object

org.apache.pulsar.broker.namespace.ServiceUnitZkUtils

public final class ServiceUnitZkUtils
extends Object

This class encapsulate some utility functions for ServiceUnit related ZooKeeper operations

Field Summary

Fields

Modifier and Type	Field and Description
static String	OWNER_INFO_ROOT ZooKeeper root path for namespace ownership info
static String	UTF8

Constructor Summary

Constructors

Constructor and Description
ServiceUnitZkUtils()

Method Summary

Modifier and Type	Method and Description
static NamespaceEphemeralData	acquireNameSpace(ZooKeeper zkc, String path, NamespaceEphemeralData value) Create name space Ephemeral node.
static org.apache.pulsar.common.policies.data.BundlesData	createBundlesIfAbsent(ZooKeeper zkc, String path, org.apache.pulsar.common.policies.data.BundlesData initialBundles)
static void	initZK(ZooKeeper zkc, String selfBrokerUrl) initZK is only called when the NamespaceService is initialized.
static String	path(NamespaceBundle suname)
static NamespaceBundle	suBundleFromPath(String path, NamespaceBundleFactory factory)

Methods inherited from class java.lang.Object

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

Field Detail

UTF8

public static final String UTF8

See Also:

Constant Field Values

OWNER_INFO_ROOT

public static final String OWNER_INFO_ROOT

ZooKeeper root path for namespace ownership info

See Also:

Constant Field Values

Constructor Detail

ServiceUnitZkUtils

public ServiceUnitZkUtils()

Method Detail

path

public static String path(NamespaceBundle suname)

suBundleFromPath

public static NamespaceBundle suBundleFromPath(String path,
                                               NamespaceBundleFactory factory)

initZK

public static void initZK(ZooKeeper zkc,
                          String selfBrokerUrl)

initZK is only called when the NamespaceService is initialized. So, no need for synchronization.

Throws:

PulsarServerException

acquireNameSpace

public static NamespaceEphemeralData acquireNameSpace(ZooKeeper zkc,
                                                      String path,
                                                      NamespaceEphemeralData value)
                                               throws KeeperException,
                                                      InterruptedException,
                                                      com.fasterxml.jackson.core.JsonGenerationException,
                                                      com.fasterxml.jackson.databind.JsonMappingException,
                                                      IOException

Create name space Ephemeral node.

Parameters:

zkc - the ZooKeeper connected session object

path - the namespace path

value - the broker url that serves the name space.

Returns:

Throws:

KeeperException

InterruptedException

IOException

com.fasterxml.jackson.databind.JsonMappingException

com.fasterxml.jackson.core.JsonGenerationException

createBundlesIfAbsent

public static org.apache.pulsar.common.policies.data.BundlesData createBundlesIfAbsent(ZooKeeper zkc,
                                                                                       String path,
                                                                                       org.apache.pulsar.common.policies.data.BundlesData initialBundles)
                                                                                throws com.fasterxml.jackson.core.JsonGenerationException,
                                                                                       com.fasterxml.jackson.databind.JsonMappingException,
                                                                                       IOException,
                                                                                       KeeperException,
                                                                                       InterruptedException

Throws:

com.fasterxml.jackson.core.JsonGenerationException

com.fasterxml.jackson.databind.JsonMappingException

IOException

KeeperException

InterruptedException