com.amazon.carbonado

Interface TriggerFactory

public interface TriggerFactory

Can be used with RepositoryBuilder to automatically register triggers as Storable types become available.

Author:

Brian S O'Neill

Method Summary

Methods

Modifier and Type	Method and Description
<S extends Storable> Trigger<? super S>	triggerFor(java.lang.Class<S> type) Return an appropriate trigger for the given type, or null if none.

Method Detail

triggerFor

<S extends Storable> Trigger<? super S> triggerFor(java.lang.Class<S> type)
                                               throws RepositoryException

Return an appropriate trigger for the given type, or null if none. This method is expected to be called at most once per Storable type. As an extra safeguard, trigger implementations are encouraged to implement the equals method.

Parameters:

type - Storable type requesting an automatic trigger

Returns:

trigger instance or null if not applicable

Throws:

RepositoryException