Package org.zkoss.fsm

Class StateCtx<E,C,IN>

java.lang.Object

org.zkoss.fsm.StateCtx<E,C,IN>

Direct Known Subclasses:

MacroStateCtx

public class StateCtx<E,C,IN>
extends java.lang.Object

A context for a State in a StateMachine, holding returning and transition information.

Since:

6.0.0

Author:

simonpai

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	StateCtx.TransitionListener<IN,C>

Field Summary

Fields

Modifier and Type	Field	Description
protected StateMachine<E,C,IN>	_machine
protected java.util.Set<IN>	_minorReturners
protected java.util.Map<IN,StateCtx.TransitionListener<IN,C>>	_minorTransitionListeners
protected java.util.Map<IN,E>	_minorTransitions
protected boolean	_returnAll
protected java.util.Set<C>	_returners
protected java.util.Map<C,StateCtx.TransitionListener<IN,C>>	_transitionListeners
protected java.util.Map<C,E>	_transitions

Constructor Summary

Constructors

Constructor	Description
StateCtx()	Creates a new state context

Method Summary

Modifier and Type	Method	Description
StateCtx<E,C,IN>	addMinorRoute(IN input, E destination)	Add a transition for a character.
StateCtx<E,C,IN>	addMinorRoute(IN input, E destination, StateCtx.TransitionListener<IN,C> callback)	Add a transition for a character with callback.
StateCtx<E,C,IN>	addMinorRoutes(E destination, IN... inputs)	Add multiple transitions for characters.
StateCtx<E,C,IN>	addMinorRoutes(E destination, StateCtx.TransitionListener<IN,C> callback, IN... inputs)	Add multiple transitions for characters with a callback.
StateCtx<E,C,IN>	addMinorTransition(IN input, E destination)	Add a transition for a character.
StateCtx<E,C,IN>	addMinorTransition(IN input, E destination, StateCtx.TransitionListener<IN,C> callback)	Add a transition for a character with a callback
StateCtx<E,C,IN>	addMinorTransitions(E destination, IN... inputs)	Add multiple transitions for characters
StateCtx<E,C,IN>	addMinorTransitions(E destination, StateCtx.TransitionListener<IN,C> callback, IN... inputs)	Add multiple transitions for characters with a callback
StateCtx<E,C,IN>	addReturningClasses(C... inputClasses)	Add an input class for returning to this state
StateCtx<E,C,IN>	addReturningClasses(java.util.Collection<C> collection)	Add multiple input classes for returning to this state
StateCtx<E,C,IN>	addReturningInputs(IN... inputs)	Add input characters for returning to this state
StateCtx<E,C,IN>	addReturningInputs(java.util.Collection<IN> collection)	Add input characters for returning to this state
StateCtx<E,C,IN>	addRoute(C inputClass, E destination)	Add a transition.
StateCtx<E,C,IN>	addRoute(C inputClass, E destination, StateCtx.TransitionListener<IN,C> callback)	Add a transition with callback.
StateCtx<E,C,IN>	addRoutes(E destination, C... inputClasses)	Add multiple transitions.
StateCtx<E,C,IN>	addRoutes(E destination, StateCtx.TransitionListener<IN,C> callback, C... inputClasses)	Add multiple transitions with a callback.
StateCtx<E,C,IN>	addTransition(C inputClass, E destination)	Add a transition rule
StateCtx<E,C,IN>	addTransition(C inputClass, E destination, StateCtx.TransitionListener<IN,C> callback)	Add a transition rule with a callback
StateCtx<E,C,IN>	addTransitions(E destination, C... inputClasses)	Add multiple transitions
StateCtx<E,C,IN>	addTransitions(E destination, StateCtx.TransitionListener<IN,C> callback, C... inputClasses)	Add multiple transitions with a callback
E	getDestination(IN input, C inputClass)	Returns the destination state upon meeting the character or the class.
protected void	init()	Initialization method called at the constructor
boolean	isLeaving(IN input, C inputClass)	Returns true if the machine is leaving this state upon meeting the character or the class.
boolean	isReturning(IN input, C inputClass)	Returns true if this state returns to itself upon meeting the character or the class.
boolean	isReturningAll()	Returns true if this state returns to itself by default, unless meeting specified characters or classes.
protected void	onLand(IN input, C inputClass, E origin)	This method is called when the machine enters this state
protected void	onLeave(IN input, C inputClass, E destination)	This method is called when the machine leaves this state
protected void	onReject(IN input, C inputClass)	This method is called when the machine rejects the input on this state
protected void	onReturn(IN input, C inputClass)	This method is called when the machine returns to the same state
protected void	onStop(boolean endOfInput)	This method is called when the machine stops on this state
protected StateCtx<E,C,IN>	setMaster(StateMachine<E,C,IN> master)	Sets the owner state machine.
StateCtx<E,C,IN>	setReturningAll(boolean returnAll)	Set whether returns to this state upon meeting unspecified characters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_machine

protected StateMachine<E,C,IN> _machine

_returnAll

protected boolean _returnAll

_returners

protected final java.util.Set<C> _returners

_minorReturners

protected final java.util.Set<IN> _minorReturners

_transitions

protected final java.util.Map<C,E> _transitions

_transitionListeners

protected final java.util.Map<C,StateCtx.TransitionListener<IN,C>> _transitionListeners

_minorTransitions

protected final java.util.Map<IN,E> _minorTransitions

_minorTransitionListeners

protected final java.util.Map<IN,StateCtx.TransitionListener<IN,C>> _minorTransitionListeners

Constructor Detail

StateCtx

public StateCtx()

Creates a new state context

Method Detail

setMaster

protected StateCtx<E,C,IN> setMaster(StateMachine<E,C,IN> master)

Sets the owner state machine.

init

protected void init()

Initialization method called at the constructor

addReturningClasses

public StateCtx<E,C,IN> addReturningClasses(C... inputClasses)

Add an input class for returning to this state

Returns:

this state

addReturningClasses

public StateCtx<E,C,IN> addReturningClasses(java.util.Collection<C> collection)

Add multiple input classes for returning to this state

Returns:

this state

addReturningInputs

public StateCtx<E,C,IN> addReturningInputs(IN... inputs)

Add input characters for returning to this state

Returns:

this state

addReturningInputs

public StateCtx<E,C,IN> addReturningInputs(java.util.Collection<IN> collection)

Add input characters for returning to this state

Returns:

this state

setReturningAll

public StateCtx<E,C,IN> setReturningAll(boolean returnAll)

Set whether returns to this state upon meeting unspecified characters

Returns:

this state

addTransition

public StateCtx<E,C,IN> addTransition(C inputClass,
                                                  E destination)

Add a transition rule

Returns:

this state

addTransition

public StateCtx<E,C,IN> addTransition(C inputClass,
                                                  E destination,
                                                  StateCtx.TransitionListener<IN,C> callback)

Add a transition rule with a callback

Returns:

this state

addTransitions

public StateCtx<E,C,IN> addTransitions(E destination,
                                                   C... inputClasses)

Add multiple transitions

Returns:

this state

addTransitions

public StateCtx<E,C,IN> addTransitions(E destination,
                                                   StateCtx.TransitionListener<IN,C> callback,
                                                   C... inputClasses)

Add multiple transitions with a callback

Returns:

this state

addRoute

public StateCtx<E,C,IN> addRoute(C inputClass,
                                             E destination)

Add a transition. Same as addTransition(Object, Object), and only differs in return value.

Returns:

destination state.

addRoute

public StateCtx<E,C,IN> addRoute(C inputClass,
                                             E destination,
                                             StateCtx.TransitionListener<IN,C> callback)

Add a transition with callback. Same as addTransition(Object, Object, TransitionListener), and only differs in return value.

Returns:

destination state.

addRoutes

public StateCtx<E,C,IN> addRoutes(E destination,
                                              C... inputClasses)

Add multiple transitions. Same as addTransitions(Object, Object...), and only differs in return value.

Returns:

destination state.

addRoutes

public StateCtx<E,C,IN> addRoutes(E destination,
                                              StateCtx.TransitionListener<IN,C> callback,
                                              C... inputClasses)

Add multiple transitions with a callback. Same as addTransitions(Object, TransitionListener, Object...), and only differs in return value.

Returns:

destination state.

addMinorTransition

public StateCtx<E,C,IN> addMinorTransition(IN input,
                                                       E destination)

Add a transition for a character.

Returns:

this state

addMinorTransition

public StateCtx<E,C,IN> addMinorTransition(IN input,
                                                       E destination,
                                                       StateCtx.TransitionListener<IN,C> callback)

Add a transition for a character with a callback

Returns:

this state

addMinorTransitions

public StateCtx<E,C,IN> addMinorTransitions(E destination,
                                                        IN... inputs)

Add multiple transitions for characters

Returns:

this state

addMinorTransitions

public StateCtx<E,C,IN> addMinorTransitions(E destination,
                                                        StateCtx.TransitionListener<IN,C> callback,
                                                        IN... inputs)

Add multiple transitions for characters with a callback

Returns:

this state

addMinorRoute

public StateCtx<E,C,IN> addMinorRoute(IN input,
                                                  E destination)

Add a transition for a character. Same as addMinorRoute(Object, Object), and only differs in return value.

Returns:

destination state

addMinorRoute

public StateCtx<E,C,IN> addMinorRoute(IN input,
                                                  E destination,
                                                  StateCtx.TransitionListener<IN,C> callback)

Add a transition for a character with callback. Same as addMinorTransition(Object, Object, TransitionListener), and only differs in return value.

Returns:

destination state

addMinorRoutes

public StateCtx<E,C,IN> addMinorRoutes(E destination,
                                                   IN... inputs)

Add multiple transitions for characters. Same as addMinorTransitions(Object, Object...), and only differs in return value.

Returns:

destination state

addMinorRoutes

public StateCtx<E,C,IN> addMinorRoutes(E destination,
                                                   StateCtx.TransitionListener<IN,C> callback,
                                                   IN... inputs)

Add multiple transitions for characters with a callback. Same as addMinorTransitions(Object, TransitionListener, Object...), and only differs in return value.

Returns:

destination state

isReturningAll

public boolean isReturningAll()

Returns true if this state returns to itself by default, unless meeting specified characters or classes.

isReturning

public boolean isReturning(IN input,
                           C inputClass)

Returns true if this state returns to itself upon meeting the character or the class.

isLeaving

public boolean isLeaving(IN input,
                         C inputClass)

Returns true if the machine is leaving this state upon meeting the character or the class.

getDestination

public E getDestination(IN input,
                        C inputClass)

Returns the destination state upon meeting the character or the class.

onLand

protected void onLand(IN input,
                      C inputClass,
                      E origin)

This method is called when the machine enters this state

onReturn

protected void onReturn(IN input,
                        C inputClass)

This method is called when the machine returns to the same state

onReject

protected void onReject(IN input,
                        C inputClass)

This method is called when the machine rejects the input on this state

onLeave

protected void onLeave(IN input,
                       C inputClass,
                       E destination)

This method is called when the machine leaves this state

onStop

protected void onStop(boolean endOfInput)

This method is called when the machine stops on this state