javax.activity
Interfaces 
ActivityCoordinator
ActivityManager
ActivityToken
CompletionStatus
GlobalId
PersistentActivityCoordinator
Status
UserActivity
Classes 
ActivityInformation
CoordinationInformation
Outcome
PropertyGroupContext
ServiceInformation
Signal
Exceptions 
ActionErrorException
ActionNotFoundException
ActivityCompletedException
ActivityNotProcessedException
ActivityPendingException
ActivityRequiredException
ContextPendingException
InvalidActivityException
InvalidParentContextException
InvalidStateException
NoActivityException
NoImplementException
NotOriginatorException
PropertyGroupUnknownException
ServiceAlreadyRegisteredException
ServiceNotRegisteredException
SignalSetActiveException
SignalSetInactiveException
SignalSetUnknownException
SystemException
TimeoutRangeException