Package com.mapr.fs

Class JobTrackerWatcher

java.lang.Object

com.mapr.fs.JobTrackerWatcher

All Implemented Interfaces:

org.apache.zookeeper.Watcher

public class JobTrackerWatcher
extends java.lang.Object
implements org.apache.zookeeper.Watcher

Nested Class Summary

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

org.apache.zookeeper.Watcher.Event, org.apache.zookeeper.Watcher.WatcherType

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	JT_ZK_SERVICE_PATH
static java.lang.String	JT_ZK_SERVICE_PATH_OLD
static org.apache.commons.logging.Log	LOG
static java.lang.String	SERVICE_MASTER_NODE
static int	ZK_CONNECTION_TIMEOUT

Constructor Summary

Constructors

Constructor	Description
JobTrackerWatcher(java.lang.String zkConnectString)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	connect()
void	decCount()
java.net.InetSocketAddress	findJobTrackerAddr()
java.lang.String	getZKString()
void	incCount()
boolean	isZeroReference()
void	process(org.apache.zookeeper.WatchedEvent event)
boolean	reconnect()

Methods inherited from class java.lang.Object

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

Field Detail

SERVICE_MASTER_NODE

public static final java.lang.String SERVICE_MASTER_NODE

See Also:

Constant Field Values

LOG

public static final org.apache.commons.logging.Log LOG

ZK_CONNECTION_TIMEOUT

public static final int ZK_CONNECTION_TIMEOUT

See Also:

Constant Field Values

JT_ZK_SERVICE_PATH

public static java.lang.String JT_ZK_SERVICE_PATH

JT_ZK_SERVICE_PATH_OLD

public static java.lang.String JT_ZK_SERVICE_PATH_OLD

Constructor Detail

JobTrackerWatcher

public JobTrackerWatcher(java.lang.String zkConnectString)

Method Detail

getZKString

public java.lang.String getZKString()

incCount

public void incCount()

decCount

public void decCount()

isZeroReference

public boolean isZeroReference()

connect

public boolean connect()

reconnect

public boolean reconnect()

close

public void close()

findJobTrackerAddr

public java.net.InetSocketAddress findJobTrackerAddr()
                                              throws org.apache.zookeeper.KeeperException.SessionExpiredException,
                                                     org.apache.zookeeper.KeeperException.SessionMovedException,
                                                     org.apache.zookeeper.KeeperException.ConnectionLossException

Throws:

org.apache.zookeeper.KeeperException.SessionExpiredException

org.apache.zookeeper.KeeperException.SessionMovedException

org.apache.zookeeper.KeeperException.ConnectionLossException

process

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

Specified by:

process in interface org.apache.zookeeper.Watcher