uk.ac.ed.epcc.webapp.config

Interface ConfigService

All Superinterfaces:

AppContextCleanup, AppContextService<ConfigService>, Contexed

All Known Implementing Classes:

AbstractConfigService, CachedConfigService, DataBaseConfigService, DefaultConfigService, OverrideConfigService, ServletConfigService, ServletContextConfigService

public interface ConfigService
extends Contexed, AppContextService<ConfigService>

Interface for configuration service A configurations service is usually a pre-requisite for any other service so these are usually explicitly added to an AppContext when the AppContext is created

Method Summary

Modifier and Type	Method and Description
void	addListener(ConfigServiceListener listener) register a ConfigServiceListener
void	clearServiceProperties() clear any cached properties.
java.util.Properties	getServiceProperties() return the set of properties defined by the service
void	setProperty(java.lang.String name, java.lang.String value) Set a property This method is for making persistent changes to the configuration.

Methods inherited from interface uk.ac.ed.epcc.webapp.Contexed

getContext

Methods inherited from interface uk.ac.ed.epcc.webapp.AppContextService

getType

Methods inherited from interface uk.ac.ed.epcc.webapp.AppContextCleanup

cleanup

Method Detail

getServiceProperties

java.util.Properties getServiceProperties()

return the set of properties defined by the service

Returns:

Properties

clearServiceProperties

void clearServiceProperties()

clear any cached properties. This will cause the properties to be re-read the next time getServiceProperties is called. Implementations are permitted not to cache data in which case this is a No-op.

setProperty

void setProperty(java.lang.String name,
                 java.lang.String value)
          throws java.lang.UnsupportedOperationException

Set a property This method is for making persistent changes to the configuration. if the service is not capable of making persistent changes it should forward the request to a nested service or throw an UnsupportedOperationException

Parameters:

name -

value -

Throws:

java.lang.UnsupportedOperationException

addListener

void addListener(ConfigServiceListener listener)

register a ConfigServiceListener

Parameters:

listener -