org.objectweb.jonas.cluster.daemon
Class ClusterDaemon

java.lang.Object
  org.objectweb.jonas.cluster.daemon.ClusterDaemon

All Implemented Interfaces:

ClusterDaemonMBean

public class ClusterDaemon
extends java.lang.Object
implements ClusterDaemonMBean

ClusterDaemon is provided to control JOnAS instances remotely. The ClusterDaemon is an independent Java program, and runs on every node (machine) in the cluster. It receives remote commands (JMX), and does something such as starting or stopping JOnAS instances.

Author:

zhengzz (initial version for PKUAS), Benoit Pelletier (integration in JOnAS), S. Ali Tokmen (JMX security)

Field Summary

static java.lang.String	JONAS_CMD_NAME_UNIX_DEF JOnAS command name in unix environmment
static java.lang.String	JONAS_CMD_NAME_WIN_DEF JOnAS command name in windows environmment
static int	SLEEP_DELAY Sleep before exit of JVM

Method Summary

void	addServer(java.lang.String name, java.lang.String description, java.lang.String javaHome, java.lang.String jonasRoot, java.lang.String jonasBase, java.lang.String xprm, java.lang.String autoBoot, java.lang.String jonasCmd) Add a server configuration (MBean interface)
java.lang.String	getAutoBoot4Server(java.lang.String name)
java.lang.String	getJavaHome4Server(java.lang.String name) (MBean interface)
java.lang.String	getJonasBase4Server(java.lang.String name) (MBean interface)
java.lang.String	getJonasCmd4Server(java.lang.String name)
java.lang.String	getJonasRoot4Server(java.lang.String name) (MBean interface)
java.lang.String	getName()
java.lang.String	getobjectName()
java.lang.String	getServersList()
java.lang.String	getXprm4Server(java.lang.String name)
boolean	iseventProvider()
boolean	isstateManageable()
boolean	isstatisticsProvider()
static void	main(java.lang.String[] args) Main method
void	modifyServer(java.lang.String name, java.lang.String description, java.lang.String javaHome, java.lang.String jonasRoot, java.lang.String jonasBase, java.lang.String xprm, java.lang.String autoBoot, java.lang.String jonasCmd) Modify a server configuration (MBean interface)
int	pingJOnAS(java.lang.String name) Ping a JOnAS instance (MBean interface)
void	reloadConfiguration() Reload the configuration (MBean interface)
void	removeServer(java.lang.String name) Remove a server configuration (MBean interface)
void	setobjectName(java.lang.String name) Sets the object name of this mbean
void	start(java.lang.String[] args) Main function
java.lang.String	startAllJOnAS(java.lang.String domainName, java.lang.String prm) Start all the JOnAS instances configured with auto-reboot
void	startJOnAS(java.lang.String name, java.lang.String domainName, java.lang.String prm) Start a JOnAS instance (MBean interface)
java.lang.String	stopAllJOnAS() Stop all the JOnAS instances
void	stopClusterDaemon() Stop the current instance
void	stopJOnAS(java.lang.String name) Stop a JOnAS instance (MBean interface)

Methods inherited from class java.lang.Object

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

Field Detail

SLEEP_DELAY

public static final int SLEEP_DELAY

Sleep before exit of JVM

See Also:

Constant Field Values

JONAS_CMD_NAME_WIN_DEF

public static final java.lang.String JONAS_CMD_NAME_WIN_DEF

JOnAS command name in windows environmment

See Also:

Constant Field Values

JONAS_CMD_NAME_UNIX_DEF

public static final java.lang.String JONAS_CMD_NAME_UNIX_DEF

JOnAS command name in unix environmment

See Also:

Constant Field Values

Method Detail

start

public void start(java.lang.String[] args)
           throws ClusterDaemonException

Main function

Parameters:

args - arguments list

Throws:

ClusterDaemonException - if an error occurs

main

public static void main(java.lang.String[] args)

Main method

Parameters:

args - the arguments of the cluster daemon

getobjectName

public java.lang.String getobjectName()

Specified by:

getobjectName in interface ClusterDaemonMBean

Returns:

Object Name

setobjectName

public void setobjectName(java.lang.String name)

Sets the object name of this mbean

Specified by:

setobjectName in interface ClusterDaemonMBean

Parameters:

name - the Object Name

iseventProvider

public boolean iseventProvider()

Specified by:

iseventProvider in interface ClusterDaemonMBean

Returns:

true if it is an event provider

isstateManageable

public boolean isstateManageable()

Specified by:

isstateManageable in interface ClusterDaemonMBean

Returns:

true if this managed object implements J2EE State Management Model

isstatisticsProvider

public boolean isstatisticsProvider()

Specified by:

isstatisticsProvider in interface ClusterDaemonMBean

Returns:

true if this managed object implements the J2EE StatisticProvider Model

getJavaHome4Server

public java.lang.String getJavaHome4Server(java.lang.String name)

(MBean interface)

Specified by:

getJavaHome4Server in interface ClusterDaemonMBean

Parameters:

name - JOnAS instance name

Returns:

the JAVA_HOME for a specified server name

getJonasBase4Server

public java.lang.String getJonasBase4Server(java.lang.String name)

(MBean interface)

Specified by:

getJonasBase4Server in interface ClusterDaemonMBean

Parameters:

name - JOnAS instance name

Returns:

the JONAS_BASE for a specified server name

getJonasRoot4Server

public java.lang.String getJonasRoot4Server(java.lang.String name)

(MBean interface)

Specified by:

getJonasRoot4Server in interface ClusterDaemonMBean

Parameters:

name - JOnAS instance name

Returns:

the JONAS_ROOT for a specified server name

getJonasCmd4Server

public java.lang.String getJonasCmd4Server(java.lang.String name)

Specified by:

getJonasCmd4Server in interface ClusterDaemonMBean

Parameters:

name - JOnAS instance name

Returns:

the user command for a specified server name

getXprm4Server

public java.lang.String getXprm4Server(java.lang.String name)

Specified by:

getXprm4Server in interface ClusterDaemonMBean

Parameters:

name - JOnAS instance name

Returns:

the xprm for a specified server name

getAutoBoot4Server

public java.lang.String getAutoBoot4Server(java.lang.String name)

Specified by:

getAutoBoot4Server in interface ClusterDaemonMBean

Parameters:

name - JOnAS instance name

Returns:

the autoboot value for a specified server name

getServersList

public java.lang.String getServersList()

Specified by:

getServersList in interface ClusterDaemonMBean

Returns:

the list of JOnAS instances

addServer

public void addServer(java.lang.String name,
                      java.lang.String description,
                      java.lang.String javaHome,
                      java.lang.String jonasRoot,
                      java.lang.String jonasBase,
                      java.lang.String xprm,
                      java.lang.String autoBoot,
                      java.lang.String jonasCmd)
               throws ClusterDaemonException

Add a server configuration (MBean interface)

Specified by:

addServer in interface ClusterDaemonMBean

Parameters:

name - server name

description - server description

javaHome - JAVA_HOME dir

jonasBase - JONAS_BASE dir

jonasRoot - JONAS_ROOT dir

xprm - extra JVM parameters

autoBoot - automatic start

jonasCmd - user command

Throws:

ClusterDaemonException - if an error occurs

removeServer

public void removeServer(java.lang.String name)
                  throws ClusterDaemonException

Remove a server configuration (MBean interface)

Specified by:

removeServer in interface ClusterDaemonMBean

Parameters:

name - server name

Throws:

ClusterDaemonException - if an error occurs

modifyServer

public void modifyServer(java.lang.String name,
                         java.lang.String description,
                         java.lang.String javaHome,
                         java.lang.String jonasRoot,
                         java.lang.String jonasBase,
                         java.lang.String xprm,
                         java.lang.String autoBoot,
                         java.lang.String jonasCmd)
                  throws ClusterDaemonException

Modify a server configuration (MBean interface)

Specified by:

modifyServer in interface ClusterDaemonMBean

Parameters:

name - server name

description - server description

javaHome - JAVA_HOME dir

jonasBase - JONAS_BASE dir

jonasRoot - JONAS_ROOT dir

xprm - extra JVM parameters

autoBoot - automatic start

jonasCmd - user command

Throws:

ClusterDaemonException - if an error occurs

reloadConfiguration

public void reloadConfiguration()
                         throws ClusterDaemonException

Reload the configuration (MBean interface)

Specified by:

reloadConfiguration in interface ClusterDaemonMBean

Throws:

ClusterDaemonException - if an error occurs

startJOnAS

public void startJOnAS(java.lang.String name,
                       java.lang.String domainName,
                       java.lang.String prm)
                throws ClusterDaemonException

Start a JOnAS instance (MBean interface)

Specified by:

startJOnAS in interface ClusterDaemonMBean

Parameters:

name - instance name

domainName - domain name

prm - extra parameters

Throws:

ClusterDaemonException - if an error occurs

stopJOnAS

public void stopJOnAS(java.lang.String name)
               throws ClusterDaemonException

Stop a JOnAS instance (MBean interface)

Specified by:

stopJOnAS in interface ClusterDaemonMBean

Parameters:

name - instance name

Throws:

ClusterDaemonException - if an error occurs

pingJOnAS

public int pingJOnAS(java.lang.String name)
              throws ClusterDaemonException

Ping a JOnAS instance (MBean interface)

Specified by:

pingJOnAS in interface ClusterDaemonMBean

Parameters:

name - instance name

Returns:

exit code of the ping (0 ok, 1 ko)

Throws:

ClusterDaemonException - if an error occurs

startAllJOnAS

public java.lang.String startAllJOnAS(java.lang.String domainName,
                                      java.lang.String prm)

Start all the JOnAS instances configured with auto-reboot

Specified by:

startAllJOnAS in interface ClusterDaemonMBean

Parameters:

domainName - domain name

prm - extra parameters

Returns:

the nodes list with an indicator started/starting failed

stopAllJOnAS

public java.lang.String stopAllJOnAS()

Stop all the JOnAS instances

Specified by:

stopAllJOnAS in interface ClusterDaemonMBean

Returns:

the nodes list with an indicator stopped/stopping failed

stopClusterDaemon

public void stopClusterDaemon()

Stop the current instance

Specified by:

stopClusterDaemon in interface ClusterDaemonMBean

getName

public java.lang.String getName()