org.apache.activemq.leveldb.replicated.groups

Class ZKClient

java.lang.Object

org.linkedin.zookeeper.client.AbstractZooKeeper

org.linkedin.zookeeper.client.AbstractZKClient

org.apache.activemq.leveldb.replicated.groups.ZKClient

All Implemented Interfaces:

org.apache.zookeeper.Watcher, org.linkedin.zookeeper.client.IZKClient, org.linkedin.zookeeper.client.IZooKeeper

public class ZKClient
extends org.linkedin.zookeeper.client.AbstractZKClient
implements org.apache.zookeeper.Watcher

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ZKClient.State

Nested classes/interfaces inherited from interface org.apache.zookeeper.Watcher

org.apache.zookeeper.Watcher.Event

Field Summary

Fields

Modifier and Type	Field and Description
protected org.linkedin.zookeeper.client.IZooKeeperFactory	_factory
protected Object	_lock
protected org.linkedin.util.clock.Timespan	_reconnectTimeout
protected ZKClient.State	_state
protected org.linkedin.zookeeper.client.IZooKeeper	_zk
protected org.linkedin.util.clock.Timespan	sessionTimeout

Fields inherited from class org.linkedin.zookeeper.client.AbstractZKClient

log, MODULE

Constructor Summary

Constructors

Constructor and Description
ZKClient(org.linkedin.zookeeper.client.IZooKeeperFactory factory) Constructor
ZKClient(org.linkedin.zookeeper.client.IZooKeeperFactory factory, String chroot) Constructor
ZKClient(String connectString, org.linkedin.util.clock.Timespan sessionTimeout, org.apache.zookeeper.Watcher watcher) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
protected Map<Object,Boolean>	callListeners(Map<Object,Boolean> history, Boolean connectedEvent)
protected Object	callMethod(Object obj, String name, Object... args)
protected void	changeState(ZKClient.State newState)
org.linkedin.zookeeper.client.IZKClient	chroot(String path)
void	close()
void	connect()
String	create(String path, byte[] data, org.apache.zookeeper.CreateMode createMode)
String	create(String path, org.apache.zookeeper.CreateMode createMode)
String	create(String path, String data, org.apache.zookeeper.CreateMode createMode)
org.apache.zookeeper.data.Stat	createOrSetByteWithParents(String path, byte[] data, List<org.apache.zookeeper.data.ACL> acl, org.apache.zookeeper.CreateMode createMode)
org.apache.zookeeper.data.Stat	createOrSetWithParents(String path, byte[] data, org.apache.zookeeper.CreateMode createMode)
org.apache.zookeeper.data.Stat	createOrSetWithParents(String path, String data, org.apache.zookeeper.CreateMode createMode)
String	createWithParents(String path, byte[] data, org.apache.zookeeper.CreateMode createMode)
String	createWithParents(String path, org.apache.zookeeper.CreateMode createMode)
String	createWithParents(String path, String data, org.apache.zookeeper.CreateMode createMode)
protected String	doGetNodeACLs(String path)
protected void	doStart()
void	fixACLs(String path, boolean recursive)
String	getConnectString()
protected Object	getField(Object obj, String... names)
protected Object	getField(Object obj, String name)
protected Thread	getSendThread()
protected org.linkedin.zookeeper.client.IZooKeeper	getZk()
boolean	isConfigured()
boolean	isConnected()
void	process(org.apache.zookeeper.WatchedEvent event)
void	registerListener(org.linkedin.zookeeper.client.LifecycleListener listener)
void	removeListener(org.linkedin.zookeeper.client.LifecycleListener listener)
void	setACLs(Map<String,String> acls)
void	setPassword(String password)
void	start()
void	testGenerateConnectionLoss()
protected void	tryConnect()
void	waitForConnected()
void	waitForConnected(org.linkedin.util.clock.Timespan timeout)
void	waitForState(ZKClient.State state, org.linkedin.util.clock.Timespan timeout)

Methods inherited from class org.linkedin.zookeeper.client.AbstractZKClient

create, createBytesNode, createBytesNodeWithParents, createOrSetWithParents, createWithParents, delete, deleteWithChildren, exists, getAllChildren, getChildren, getData, getStringData, getZKByteData, getZKByteData, getZKChildren, getZKStringData, getZKStringData, setByteData, setData

Methods inherited from class org.linkedin.zookeeper.client.AbstractZooKeeper

addAuthInfo, adjustPath, adjustPath, create, create, delete, delete, exists, exists, exists, exists, getACL, getACL, getChildren, getChildren, getChildren, getChildren, getChildren, getChildren, getChildren, getChildren, getData, getData, getData, getData, getSessionId, getSessionPasswd, getSessionTimeout, getState, register, setACL, setACL, setData, setData, sync

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.linkedin.zookeeper.client.IZooKeeper

addAuthInfo, create, create, delete, delete, exists, exists, exists, exists, getACL, getACL, getChildren, getChildren, getChildren, getChildren, getChildren, getChildren, getChildren, getChildren, getData, getData, getData, getData, getSessionId, getSessionPasswd, getSessionTimeout, getState, register, setACL, setACL, setData, setData, sync

Field Detail

_lock

protected final Object _lock

_state

protected volatile ZKClient.State _state

_factory

protected org.linkedin.zookeeper.client.IZooKeeperFactory _factory

_zk

protected org.linkedin.zookeeper.client.IZooKeeper _zk

_reconnectTimeout

protected org.linkedin.util.clock.Timespan _reconnectTimeout

sessionTimeout

protected org.linkedin.util.clock.Timespan sessionTimeout

Constructor Detail

ZKClient

public ZKClient(String connectString,
        org.linkedin.util.clock.Timespan sessionTimeout,
        org.apache.zookeeper.Watcher watcher)

Constructor

ZKClient

public ZKClient(org.linkedin.zookeeper.client.IZooKeeperFactory factory)

Constructor

ZKClient

public ZKClient(org.linkedin.zookeeper.client.IZooKeeperFactory factory,
        String chroot)

Constructor

Method Detail

start

public void start()
           throws Exception

Throws:

Exception

setACLs

public void setACLs(Map<String,String> acls)

setPassword

public void setPassword(String password)

doStart

protected void doStart()
                throws org.osgi.framework.InvalidSyntaxException,
                       org.osgi.service.cm.ConfigurationException,
                       UnsupportedEncodingException

Throws:

org.osgi.framework.InvalidSyntaxException

org.osgi.service.cm.ConfigurationException

UnsupportedEncodingException

close

public void close()

Specified by:

close in interface org.linkedin.zookeeper.client.IZooKeeper

Overrides:

close in class org.linkedin.zookeeper.client.AbstractZooKeeper

getSendThread

protected Thread getSendThread()

getField

protected Object getField(Object obj,
              String... names)
                   throws Exception

Throws:

Exception

getField

protected Object getField(Object obj,
              String name)
                   throws Exception

Throws:

Exception

changeState

protected void changeState(ZKClient.State newState)

testGenerateConnectionLoss

public void testGenerateConnectionLoss()
                                throws Exception

Throws:

Exception

callMethod

protected Object callMethod(Object obj,
                String name,
                Object... args)
                     throws Exception

Throws:

Exception

tryConnect

protected void tryConnect()

connect

public void connect()
             throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

process

public void process(org.apache.zookeeper.WatchedEvent event)

Specified by:

process in interface org.apache.zookeeper.Watcher

getZk

protected org.linkedin.zookeeper.client.IZooKeeper getZk()

Specified by:

getZk in class org.linkedin.zookeeper.client.AbstractZooKeeper

waitForConnected

public void waitForConnected(org.linkedin.util.clock.Timespan timeout)
                      throws InterruptedException,
                             TimeoutException

Throws:

InterruptedException

TimeoutException

waitForConnected

public void waitForConnected()
                      throws InterruptedException,
                             TimeoutException

Throws:

InterruptedException

TimeoutException

waitForState

public void waitForState(ZKClient.State state,
                org.linkedin.util.clock.Timespan timeout)
                  throws TimeoutException,
                         InterruptedException

Throws:

TimeoutException

InterruptedException

registerListener

public void registerListener(org.linkedin.zookeeper.client.LifecycleListener listener)

Specified by:

registerListener in interface org.linkedin.zookeeper.client.IZKClient

removeListener

public void removeListener(org.linkedin.zookeeper.client.LifecycleListener listener)

Specified by:

removeListener in interface org.linkedin.zookeeper.client.IZKClient

chroot

public org.linkedin.zookeeper.client.IZKClient chroot(String path)

Specified by:

chroot in interface org.linkedin.zookeeper.client.IZKClient

isConnected

public boolean isConnected()

Specified by:

isConnected in interface org.linkedin.zookeeper.client.IZKClient

isConfigured

public boolean isConfigured()

getConnectString

public String getConnectString()

Specified by:

getConnectString in interface org.linkedin.zookeeper.client.IZKClient

callListeners

protected Map<Object,Boolean> callListeners(Map<Object,Boolean> history,
                                Boolean connectedEvent)

createOrSetByteWithParents

public org.apache.zookeeper.data.Stat createOrSetByteWithParents(String path,
                                                        byte[] data,
                                                        List<org.apache.zookeeper.data.ACL> acl,
                                                        org.apache.zookeeper.CreateMode createMode)
                                                          throws InterruptedException,
                                                                 org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

create

public String create(String path,
            org.apache.zookeeper.CreateMode createMode)
              throws InterruptedException,
                     org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

create

public String create(String path,
            String data,
            org.apache.zookeeper.CreateMode createMode)
              throws InterruptedException,
                     org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

create

public String create(String path,
            byte[] data,
            org.apache.zookeeper.CreateMode createMode)
              throws InterruptedException,
                     org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

createWithParents

public String createWithParents(String path,
                       org.apache.zookeeper.CreateMode createMode)
                         throws InterruptedException,
                                org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

createWithParents

public String createWithParents(String path,
                       String data,
                       org.apache.zookeeper.CreateMode createMode)
                         throws InterruptedException,
                                org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

createWithParents

public String createWithParents(String path,
                       byte[] data,
                       org.apache.zookeeper.CreateMode createMode)
                         throws InterruptedException,
                                org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

createOrSetWithParents

public org.apache.zookeeper.data.Stat createOrSetWithParents(String path,
                                                    String data,
                                                    org.apache.zookeeper.CreateMode createMode)
                                                      throws InterruptedException,
                                                             org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

createOrSetWithParents

public org.apache.zookeeper.data.Stat createOrSetWithParents(String path,
                                                    byte[] data,
                                                    org.apache.zookeeper.CreateMode createMode)
                                                      throws InterruptedException,
                                                             org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

fixACLs

public void fixACLs(String path,
           boolean recursive)
             throws InterruptedException,
                    org.apache.zookeeper.KeeperException

Throws:

InterruptedException

org.apache.zookeeper.KeeperException

doGetNodeACLs

protected String doGetNodeACLs(String path)