org.ow2.jonas.lib.management.reconfig.actuator
Class PropertiesConfigurationActuator

java.lang.Object
  org.ow2.jonas.lib.management.reconfig.actuator.BaseConfigurationActuator
      org.ow2.jonas.lib.management.reconfig.actuator.PropertiesConfigurationActuator

All Implemented Interfaces:

IConfigurationActuator

public class PropertiesConfigurationActuator
extends BaseConfigurationActuator

This class allows for persistent reconfiguration of a JOnAS service or of a JOnAS resource being configured by a .properties file.

Author:

Adriana Danes

Field Summary

Fields inherited from class org.ow2.jonas.lib.management.reconfig.actuator.BaseConfigurationActuator

configFileName, lastSequence, logger, name

Constructor Summary

PropertiesConfigurationActuator(String name, String configFileName, Properties config)
Construct an IConfigurationActuator for a JOnAS service or a JOnAS resource

Method Summary

void	saveConfig(long sequence) Saves the updated configuration
void	updateConfig(Properties props, long sequence) Updates the configuration file
void	updateConfig(String key, String value, boolean add, long sequence) Updates the configuration file
void	updateConfig(String key, String value, long sequence) Updates the configuration file
String	updateValue(String oldValue, String value, boolean add)

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertiesConfigurationActuator

public PropertiesConfigurationActuator(String name,
                                       String configFileName,
                                       Properties config)

Construct an IConfigurationActuator for a JOnAS service or a JOnAS resource

Parameters:

name - the name of the .properties configuration file to be updated. It may be 'jonas.properties' if the IConfigurationActuator is associated to a JOnAS service, or a 'resource.properties' if the IConfigurationActuator is associated to a data source or a mail factory.

config - the initial content of the .properties configuration file

Method Detail

updateConfig

public void updateConfig(String key,
                         String value,
                         long sequence)

Updates the configuration file

Parameters:

key - the modified property name

value - the new value

sequence - the sequence number of management notification producing the update

updateConfig

public void updateConfig(String key,
                         String value,
                         boolean add,
                         long sequence)

Updates the configuration file

Parameters:

key - the modified property name

value - the new value

add - if true, the value has to be appended to the old value, if false, it has to be removed from the old value

sequence - the sequence number of management notification producing the update

updateConfig

public void updateConfig(Properties props,
                         long sequence)

Updates the configuration file

Parameters:

props - set of modified properties with their associated values

sequence - the sequence number of management notification producing the update

updateValue

public String updateValue(String oldValue,
                          String value,
                          boolean add)

saveConfig

public void saveConfig(long sequence)
                throws ReconfigException

Saves the updated configuration

Parameters:

sequence - the sequence number of management notification producing the save (in fact store) operation

Throws:

ReconfigException - if the saveConfig could not be done