org.togglz.core.repository

Interface StateRepository

All Known Implementing Classes:

CachingStateRepository, CompositeStateRepository, FileBasedStateRepository, InMemoryStateRepository, JDBCStateRepository, ListenableStateRepository, LoggingStateRepository, PropertyBasedStateRepository

public interface StateRepository

This interface defines the contract for a class that stores the feature state. Typical implementations are storing the state in a persistent way that works even across application restarts.

Author:

Christian Kaltepoth

Method Summary

Modifier and Type	Method and Description
FeatureState	getFeatureState(Feature feature) Get the persisted state of a feature from the repository.
void	setFeatureState(FeatureState featureState) Persist the supplied feature state.

Method Detail

getFeatureState

FeatureState getFeatureState(Feature feature)

Get the persisted state of a feature from the repository. If the repository doesn't contain any information regarding this feature it must return null.

Parameters:

feature - The feature to read the state for

Returns:

The persisted feature state or null

setFeatureState

void setFeatureState(FeatureState featureState)

Persist the supplied feature state. The repository implementation must ensure that subsequent calls to getFeatureState(Feature) return the same state as persisted using this method.

Parameters:

featureState - The feature state to persist

Throws:

UnsupportedOperationException - if this state repository does not support updates