org.apache.pulsar.zookeeper

Class LocalZooKeeperConnectionService

java.lang.Object

org.apache.pulsar.zookeeper.LocalZooKeeperConnectionService

All Implemented Interfaces:

Closeable, AutoCloseable

public class LocalZooKeeperConnectionService
extends Object
implements Closeable

This class provides functions to create ZooKeeper connection

Constructor Summary

Constructors

Constructor and Description
LocalZooKeeperConnectionService(ZooKeeperClientFactory zkClientFactory, String zkConnect, long zkSessionTimeoutMillis)

Method Summary

Modifier and Type	Method and Description
static void	checkAndCreatePersistNode(ZooKeeper zkc, String path) Check if a persist node exists.
void	close()
static String	createIfAbsent(ZooKeeper zk, String path, byte[] data, CreateMode createMode)
static String	createIfAbsent(ZooKeeper zk, String path, byte[] data, CreateMode createMode, boolean gc)
static String	createIfAbsent(ZooKeeper zk, String path, String data, CreateMode createMode)
static String	createIfAbsent(ZooKeeper zk, String path, String data, CreateMode createMode, boolean gc)
static void	deleteIfExists(ZooKeeper zk, String path, int version)
ZooKeeper	getLocalZooKeeper()
void	start(ZookeeperSessionExpiredHandler sessionExpiredHandler)

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalZooKeeperConnectionService

public LocalZooKeeperConnectionService(ZooKeeperClientFactory zkClientFactory,
                                       String zkConnect,
                                       long zkSessionTimeoutMillis)

Method Detail

start

public void start(ZookeeperSessionExpiredHandler sessionExpiredHandler)
           throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

getLocalZooKeeper

public ZooKeeper getLocalZooKeeper()

checkAndCreatePersistNode

public static void checkAndCreatePersistNode(ZooKeeper zkc,
                                             String path)
                                      throws KeeperException,
                                             InterruptedException

Check if a persist node exists. If not, it attempts to create the znode.

Parameters:

path - znode path

Throws:

KeeperException - zookeeper exception.

InterruptedException - zookeeper exception.

createIfAbsent

public static String createIfAbsent(ZooKeeper zk,
                                    String path,
                                    String data,
                                    CreateMode createMode)
                             throws KeeperException,
                                    InterruptedException

Throws:

KeeperException

InterruptedException

createIfAbsent

public static String createIfAbsent(ZooKeeper zk,
                                    String path,
                                    String data,
                                    CreateMode createMode,
                                    boolean gc)
                             throws KeeperException,
                                    InterruptedException

Throws:

KeeperException

InterruptedException

createIfAbsent

public static String createIfAbsent(ZooKeeper zk,
                                    String path,
                                    byte[] data,
                                    CreateMode createMode)
                             throws KeeperException,
                                    InterruptedException

Throws:

KeeperException

InterruptedException

createIfAbsent

public static String createIfAbsent(ZooKeeper zk,
                                    String path,
                                    byte[] data,
                                    CreateMode createMode,
                                    boolean gc)
                             throws KeeperException,
                                    InterruptedException

Throws:

KeeperException

InterruptedException

deleteIfExists

public static void deleteIfExists(ZooKeeper zk,
                                  String path,
                                  int version)
                           throws KeeperException,
                                  InterruptedException

Throws:

KeeperException

InterruptedException