org.jppf.management
Class JPPFDriverAdmin

java.lang.Object
  org.jppf.management.JPPFDriverAdmin

All Implemented Interfaces:

Serializable, JPPFAdminMBean, JPPFDriverAdminMBean

public class JPPFDriverAdmin
extends Object
implements JPPFDriverAdminMBean

Instances of this class encapsulate the administration functionalities for a JPPF driver.

Author:

Laurent Cohen

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.jppf.management.JPPFAdminMBean

DRIVER_MBEAN_NAME, DRIVER_SUFFIX, NODE_MBEAN_NAME, NODE_SUFFIX

Constructor Summary

JPPFDriverAdmin()

Method Summary

String	changeLoadBalancerSettings(String algorithm, Map<Object,Object> parameters) Change the bundle size tuning settings.
LoadBalancingInformation	loadBalancerInformation() Obtain the current load-balancing settings.
Collection<JPPFManagementInfo>	nodesInformation() Request the JMX connection information for all the nodes attached to the server.
void	resetStatistics() Reset this server's statistics.
String	restartShutdown(Long shutdownDelay, Long restartDelay) Perform a shutdown or restart of the server.
JPPFStats	statistics() Get the latest statistics snapshot from the JPPF driver.

Methods inherited from class java.lang.Object

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

Constructor Detail

JPPFDriverAdmin

public JPPFDriverAdmin()

Method Detail

nodesInformation

public Collection<JPPFManagementInfo> nodesInformation()

Request the JMX connection information for all the nodes attached to the server.

Specified by:

nodesInformation in interface JPPFDriverAdminMBean

Returns:

a collection of NodeManagementInfo instances.

See Also:

JPPFDriverAdminMBean.nodesInformation()

statistics

public JPPFStats statistics()
                     throws Exception

Get the latest statistics snapshot from the JPPF driver.

Specified by:

statistics in interface JPPFDriverAdminMBean

Returns:

a JPPFStats instance.

Throws:

Exception - if any error occurs.

See Also:

JPPFDriverAdminMBean.statistics()

changeLoadBalancerSettings

public String changeLoadBalancerSettings(String algorithm,
                                         Map<Object,Object> parameters)
                                  throws Exception

Change the bundle size tuning settings.

Specified by:

changeLoadBalancerSettings in interface JPPFDriverAdminMBean

Parameters:

algorithm - the name of the load-balancing algorithm to set.

parameters - the algorithm's parameters.

Returns:

an acknowledgement or error message.

Throws:

Exception - if an error occurred while updating the settings.

See Also:

JPPFDriverAdminMBean.changeLoadBalancerSettings(java.lang.String, java.util.Map)

restartShutdown

public String restartShutdown(Long shutdownDelay,
                              Long restartDelay)
                       throws Exception

Perform a shutdown or restart of the server.

Specified by:

restartShutdown in interface JPPFDriverAdminMBean

Parameters:

shutdownDelay - the delay before shutting down the server, once the command is received.

restartDelay - the delay before restarting, once the server is shutdown. If it is < 0, no restart occurs.

Returns:

an acknowledgement message.

Throws:

Exception - if any error occurs.

See Also:

JPPFDriverAdminMBean.restartShutdown(java.lang.Long, java.lang.Long)

loadBalancerInformation

public LoadBalancingInformation loadBalancerInformation()
                                                 throws Exception

Obtain the current load-balancing settings.

Specified by:

loadBalancerInformation in interface JPPFDriverAdminMBean

Returns:

an instance of LoadBalancingInformation.

Throws:

Exception - if any error occurs.

See Also:

JPPFDriverAdminMBean.loadBalancerInformation()

resetStatistics

public void resetStatistics()
                     throws Exception

Reset this server's statistics. This method triggers a reset() event via the JPPFDriverStatsManager instance.

Specified by:

resetStatistics in interface JPPFDriverAdminMBean

Throws:

Exception - if any error occurs.