Package org.apache.axis2.clustering.management

Class DefaultNodeManager

java.lang.Object

org.apache.axis2.clustering.management.DefaultNodeManager

All Implemented Interfaces:

NodeManager, ParameterInclude

public class DefaultNodeManager
extends Object
implements NodeManager

Constructor Summary

Constructors

Constructor	Description
DefaultNodeManager()

Method Summary

Modifier and Type	Method	Description
void	addParameter(Parameter param)	Method addParameter.
void	commit()	Second phase of the 2-phase commit protocol.
void	deserializeParameters(OMElement parameterElement)
void	exceptionOccurred(Throwable throwable)	To notify other nodes that an Exception occurred, during the processing of a NodeManagementCommand
Parameter	getParameter(String name)	Method getParameter.
ArrayList	getParameters()	Gets all the parameters in a given description.
boolean	isParameterLocked(String parameterName)	Checks whether the parameter is locked at any level.
void	prepare()	First phase of the 2-phase commit protocol.
void	removeParameter(Parameter param)
void	rollback()	Rollback whatever was done
protected void	send(Throwable throwable)
void	sendMessage(NodeManagementCommand command)	Execute a NodeManagementCommand
void	setConfigurationContext(ConfigurationContext configurationContext)	Set the system's configuration context.
void	setSender(MessageSender sender)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultNodeManager

public DefaultNodeManager()

Method Detail

commit

public void commit()
            throws ClusteringFault

Description copied from interface: NodeManager

Second phase of the 2-phase commit protocol. Notifies a node that it needs to switch to a new configuration.

Specified by:

commit in interface NodeManager

Throws:

ClusteringFault - If an error occurs while committing a cluster configuration transaction

exceptionOccurred

public void exceptionOccurred(Throwable throwable)
                       throws ClusteringFault

Description copied from interface: NodeManager

To notify other nodes that an Exception occurred, during the processing of a NodeManagementCommand

Specified by:

exceptionOccurred in interface NodeManager

Parameters:

throwable - The throwable which has to be propogated to other nodes

Throws:

ClusteringFault - If an error occurs while processing the exception message

prepare

public void prepare()
             throws ClusteringFault

Description copied from interface: NodeManager

First phase of the 2-phase commit protocol. Notifies a node that it needs to prepare to switch to a new configuration.

Specified by:

prepare in interface NodeManager

Throws:

ClusteringFault - If an error occurs while preparing to commit

rollback

public void rollback()
              throws ClusteringFault

Description copied from interface: NodeManager

Rollback whatever was done

Specified by:

rollback in interface NodeManager

Throws:

ClusteringFault - If an error occurs while rolling back a cluster configuration transaction

send

protected void send(Throwable throwable)
             throws ClusteringFault

Throws:

ClusteringFault

sendMessage

public void sendMessage(NodeManagementCommand command)
                 throws ClusteringFault

Description copied from interface: NodeManager

Execute a NodeManagementCommand

Specified by:

sendMessage in interface NodeManager

Parameters:

command - The command to be executed

Throws:

ClusteringFault - If an error occurs while sending the message

setSender

public void setSender(MessageSender sender)

setConfigurationContext

public void setConfigurationContext(ConfigurationContext configurationContext)

Description copied from interface: NodeManager

Set the system's configuration context. This will be used by the clustering implementations to get information about the Axis2 environment and to correspond with the Axis2 environment

Specified by:

setConfigurationContext in interface NodeManager

Parameters:

configurationContext - The configuration context

addParameter

public void addParameter(Parameter param)
                  throws AxisFault

Description copied from interface: ParameterInclude

Method addParameter.

Specified by:

addParameter in interface ParameterInclude

Throws:

AxisFault

removeParameter

public void removeParameter(Parameter param)
                     throws AxisFault

Specified by:

removeParameter in interface ParameterInclude

Throws:

AxisFault

getParameter

public Parameter getParameter(String name)

Description copied from interface: ParameterInclude

Method getParameter.

Specified by:

getParameter in interface ParameterInclude

Returns:

Returns Parameter.

getParameters

public ArrayList getParameters()

Description copied from interface: ParameterInclude

Gets all the parameters in a given description.

Specified by:

getParameters in interface ParameterInclude

Returns:

Returns ArrayList.

isParameterLocked

public boolean isParameterLocked(String parameterName)

Description copied from interface: ParameterInclude

Checks whether the parameter is locked at any level.

Specified by:

isParameterLocked in interface ParameterInclude

deserializeParameters

public void deserializeParameters(OMElement parameterElement)
                           throws AxisFault

Specified by:

deserializeParameters in interface ParameterInclude

Throws:

AxisFault