org.n52.faroe

Interface SettingsService

All Known Implementing Classes:

SettingsServiceImpl

public interface SettingsService

Method Summary

Modifier and Type	Method and Description
void	addSetting(SettingDefinition<?> def)
void	addSettings(Collection<SettingDefinition<?>> defs)
void	changeSetting(SettingValue<?> newValue) Changes a setting.
void	configure(Object object) Configure o with the required settings.
void	configureOnce(Object object) Configure o with the required settings.
void	deleteAll() Deletes all settings and users.
void	deleteSetting(SettingDefinition<?> setting) Deletes the setting defined by setting.
SettingDefinition<?>	getDefinitionByKey(String key) Get the definition that is defined with the specified key.
Set<String>	getKeys()
<T> SettingValue<T>	getSetting(SettingDefinition<T> key) Gets the value of the setting defined by key.
<T> SettingValue<T>	getSetting(String key) Gets the value of the setting defined by key.
Set<SettingDefinition<?>>	getSettingDefinitions() Gets all SettingDefinitions known by this class.
SettingValueFactory	getSettingFactory()
Map<SettingDefinition<?>,SettingValue<?>>	getSettings() Gets all values for all definitions.
void	reconfigure() Gets all values for all definitions and udpates (changes or configures) all configured objets.

Method Detail

changeSetting

void changeSetting(SettingValue<?> newValue)
            throws ConfigurationError

Changes a setting. The change is propagated to all Objects that are configured. If the change fails for one of these objects, the setting is reverted to the old value of the setting for all objects.

Parameters:

newValue - the new value of the setting

Throws:

ConfigurationError - if there is a problem changing the setting.

configure

void configure(Object object)
        throws ConfigurationError

Configure o with the required settings. All changes to a setting required by the object will be applied.

Parameters:

object - the object to configure

Throws:

ConfigurationError - if there is a problem configuring the object

See Also:

Configurable, Setting

configureOnce

void configureOnce(Object object)
            throws ConfigurationError

Configure o with the required settings. Future changes to settings will not be propagated to the object.

Parameters:

object - the object to configure

Throws:

ConfigurationError - if there is a problem configuring the object

See Also:

configure(java.lang.Object)

deleteAll

void deleteAll()

Deletes all settings and users.

deleteSetting

void deleteSetting(SettingDefinition<?> setting)
            throws ConfigurationError

Deletes the setting defined by setting.

Parameters:

setting - the definition

Throws:

ConfigurationError - if there is a problem deleting the setting

getDefinitionByKey

SettingDefinition<?> getDefinitionByKey(String key)

Get the definition that is defined with the specified key.

Parameters:

key - the key

Returns:

the definition or null if there is no definition for the key

getKeys

Set<String> getKeys()

Returns:

the keys for all definitions

getSetting

<T> SettingValue<T> getSetting(SettingDefinition<T> key)

Gets the value of the setting defined by key.

Type Parameters:

T - the type of the setting and value

Parameters:

key - the definition of the setting

Returns:

the value of the setting

getSetting

<T> SettingValue<T> getSetting(String key)

Gets the value of the setting defined by key.

Type Parameters:

T - the type of the setting and value

Parameters:

key - the id of the setting

Returns:

the value of the setting

getSettingDefinitions

Set<SettingDefinition<?>> getSettingDefinitions()

Gets all SettingDefinitions known by this class.

Returns:

the definitions

getSettingFactory

SettingValueFactory getSettingFactory()

Returns:

the SettingValueFactory to produce values

getSettings

Map<SettingDefinition<?>,SettingValue<?>> getSettings()

Gets all values for all definitions. If there is no value for a definition null is added to the map.

Returns:

all values by definition

reconfigure

void reconfigure()

Gets all values for all definitions and udpates (changes or configures) all configured objets.

addSetting

void addSetting(SettingDefinition<?> def)

addSettings

void addSettings(Collection<SettingDefinition<?>> defs)