org.jboss.dependency.spi
Interface ControllerStateModel

All Superinterfaces:

Iterable<ControllerState>

All Known Implementing Classes:

AbstractController, AbstractKernelController, ScopedController, ScopedKernelController

public interface ControllerStateModel
extends Iterable<ControllerState>

ControllerState model. Helper/util methods.

Author:

Ales Justin

Method Summary

ControllerState	getNextState(ControllerState state) Get next state from state param or null if state param is the last.
ControllerState	getPreviousState(ControllerState state) Get previous state from state param or null if state param is the first.
boolean	isAfterState(ControllerState state, ControllerState reference) Is state param after reference state param.
boolean	isBeforeState(ControllerState state, ControllerState reference) Is state param before reference state param.
ListIterator<ControllerState>	listIteraror() Get the list iterator.

Methods inherited from interface java.lang.Iterable

iterator

Method Detail

listIteraror

ListIterator<ControllerState> listIteraror()

Get the list iterator. The list iterator cursor should be pointing to the last state. Since the usage of this list iterator is mostly to iterate over the states in reverted order.

Returns:

list iterator

getPreviousState

ControllerState getPreviousState(ControllerState state)

Get previous state from state param or null if state param is the first. Throw exception if state is not recognized.

Parameters:

state - the current state

Returns:

previous state

getNextState

ControllerState getNextState(ControllerState state)

Get next state from state param or null if state param is the last. Throw exception if state is not recognized.

Parameters:

state - the current state

Returns:

next state

isBeforeState

boolean isBeforeState(ControllerState state,
                      ControllerState reference)

Is state param before reference state param.

Parameters:

state - the state we are checking

reference - the state we are checking against

Returns:

true if state is before reference

isAfterState

boolean isAfterState(ControllerState state,
                     ControllerState reference)

Is state param after reference state param.

Parameters:

state - the state we are checking

reference - the state we are checking against

Returns:

true if state is after reference