org.apache.polygene.api.unitofwork

Interface UnitOfWorkCallback

public interface UnitOfWorkCallback

Callback interface for UnitOfWork completion or discard. Implementations of this interface can be registered through UnitOfWork.addUnitOfWorkCallback(UnitOfWorkCallback). If Entities implement this interface they will also receive invocations of this callback interface.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	UnitOfWorkCallback.UnitOfWorkStatus

Method Summary

Modifier and Type	Method and Description
void	afterCompletion(UnitOfWorkCallback.UnitOfWorkStatus status) This is called after the completion or discarding of the UnitOfWork.
void	beforeCompletion() This is called before the completion of the UnitOfWork.

Method Detail

beforeCompletion

void beforeCompletion()
               throws UnitOfWorkCompletionException

This is called before the completion of the UnitOfWork. The callback may do any validation checks.

Throws:

UnitOfWorkCompletionException - if there is any reason why the UnitOfWork is not in a valid state to be completed

afterCompletion

void afterCompletion(UnitOfWorkCallback.UnitOfWorkStatus status)

This is called after the completion or discarding of the UnitOfWork. The callback may do any cleanup necessary related to the UnitOfWork. Note that the UnitOfWork is no longer active when this method is called, so no methods on it may be invoked.

Parameters:

status - the UnitOfWork status