org.togglz.core.repository.property

Interface PropertySource

public interface PropertySource

Manages a source of property-like values.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	PropertySource.Editor Provides a means to update the underlying store in a thread-safe manner.

Method Summary

Modifier and Type	Method and Description
PropertySource.Editor	getEditor() Returns a class suitable for editing the properties in the underlying representation in a thread-safe manner.
Set<String>	getKeysStartingWith(String prefix) Returns the keys from the source that start with the specified prefix.
String	getValue(String key, String defaultValue) Returns the value of the specified key.
void	reloadIfUpdated() Reloads the properties from the source if they have been changed since the last load.

Method Detail

reloadIfUpdated

void reloadIfUpdated()

Reloads the properties from the source if they have been changed since the last load.

getKeysStartingWith

Set<String> getKeysStartingWith(String prefix)

Returns the keys from the source that start with the specified prefix.

Parameters:

prefix - the prefix to find

Returns:

the keys starting with the specified prefix; an empty collection if no keys are found

getValue

String getValue(String key,
                String defaultValue)

Returns the value of the specified key. If the key is not found the specified default value is returned.

Parameters:

key - the key

defaultValue - the default value if the key is not found

Returns:

the value for the key

getEditor

PropertySource.Editor getEditor()

Returns a class suitable for editing the properties in the underlying representation in a thread-safe manner.

Returns:

an editor instance

Throws:

UnsupportedOperationException - if this property source does not support updates