Package org.springframework.statemachine.state

Class RegionState<S,E>

java.lang.Object

org.springframework.statemachine.support.LifecycleObjectSupport

org.springframework.statemachine.state.AbstractState<S,E>

org.springframework.statemachine.state.RegionState<S,E>

Type Parameters:

S - the type of state

E - the type of event

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.context.Lifecycle, org.springframework.context.Phased, org.springframework.context.SmartLifecycle, State<S,E>, StateMachineReactiveLifecycle

public class RegionState<S,E>
extends AbstractState<S,E>

A State implementation where states are wrapped in a regions..

Author:

Janne Valkealahti

Field Summary

Fields inherited from interface org.springframework.context.SmartLifecycle

DEFAULT_PHASE

Constructor Summary

Constructors

Constructor	Description
RegionState(S id, Collection<Region<S,E>> regions)	Instantiates a new region state.
RegionState(S id, Collection<Region<S,E>> regions, Collection<E> deferred)	Instantiates a new region state.
RegionState(S id, Collection<Region<S,E>> regions, Collection<E> deferred, Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> entryActions, Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> exitActions)	Instantiates a new region state.
RegionState(S id, Collection<Region<S,E>> regions, Collection<E> deferred, Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> entryActions, Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> exitActions, PseudoState<S,E> pseudoState)	Instantiates a new region state.
RegionState(S id, Collection<Region<S,E>> regions, PseudoState<S,E> pseudoState)	Instantiates a new region state.

Method Summary

Modifier and Type	Method	Description
reactor.core.publisher.Mono<Void>	entry(StateContext<S,E> context)	Initiate an entry sequence for the state.
reactor.core.publisher.Mono<Void>	exit(StateContext<S,E> context)	Initiate an exit sequence for the state.
Collection<S>	getIds()	Gets the state identifiers.
Collection<State<S,E>>	getStates()	Gets all possible states this state knows about including itself and substates.
reactor.core.publisher.Flux<StateMachineEventResult<S,E>>	sendEvent(org.springframework.messaging.Message<E> event)	Send an event E wrapped with a Message to the state and return a StateMachineEventResult for results.
void	setRegionExecutionPolicy(RegionExecutionPolicy regionExecutionPolicy)	Sets the region execution policy.
boolean	shouldDefer(org.springframework.messaging.Message<E> event)	Checks if state wants to defer an event.
String	toString()

Methods inherited from class org.springframework.statemachine.state.AbstractState

addActionListener, addStateListener, armTriggers, disarmTriggers, doPreStartReactively, doPreStopReactively, executeAction, getDeferredEvents, getEntryActions, getExitActions, getId, getPseudoState, getRegions, getStateActions, getSubmachine, getTriggers, handleStateDoOnComplete, isComposite, isOrthogonal, isSimple, isSubmachineState, notifyStateOnComplete, removeActionListener, removeStateListener, setStateDoActionPolicy, setStateDoActionPolicyTimeout, setTriggers

Methods inherited from class org.springframework.statemachine.support.LifecycleObjectSupport

afterPropertiesSet, destroy, doDestroy, doPostStartReactively, doPostStopReactively, getBeanFactory, getPhase, isAutoStartup, isRunning, onInit, setAutoStartup, setBeanFactory, setPhase, start, startReactively, stop, stopReactively

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.context.SmartLifecycle

stop

Constructor Details

RegionState

public RegionState(S id,
 Collection<Region<S,E>> regions)

Instantiates a new region state.

Parameters:

id - the state identifier

regions - the regions

RegionState

public RegionState(S id,
 Collection<Region<S,E>> regions,
 Collection<E> deferred)

Instantiates a new region state.

Parameters:

id - the state identifier

regions - the regions

deferred - the deferred

RegionState

public RegionState(S id,
 Collection<Region<S,E>> regions,
 PseudoState<S,E> pseudoState)

Instantiates a new region state.

Parameters:

id - the state identifier

regions - the regions

pseudoState - the pseudo state

RegionState

public RegionState(S id,
 Collection<Region<S,E>> regions,
 Collection<E> deferred,
 Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> entryActions,
 Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> exitActions,
 PseudoState<S,E> pseudoState)

Instantiates a new region state.

Parameters:

id - the state identifier

regions - the regions

deferred - the deferred

entryActions - the entry actions

exitActions - the exit actions

pseudoState - the pseudo state

RegionState

public RegionState(S id,
 Collection<Region<S,E>> regions,
 Collection<E> deferred,
 Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> entryActions,
 Collection<Function<StateContext<S,E>,reactor.core.publisher.Mono<Void>>> exitActions)

Instantiates a new region state.

Parameters:

id - the state identifier

regions - the regions

deferred - the deferred

entryActions - the entry actions

exitActions - the exit actions

Method Details

sendEvent

public reactor.core.publisher.Flux<StateMachineEventResult<S,E>> sendEvent(org.springframework.messaging.Message<E> event)

Description copied from interface: State

Send an event E wrapped with a Message to the state and return a StateMachineEventResult for results.

Specified by:

sendEvent in interface State<S,E>

Overrides:

sendEvent in class AbstractState<S,E>

Parameters:

event - the wrapped event to send

Returns:

the state machine event results

shouldDefer

public boolean shouldDefer(org.springframework.messaging.Message<E> event)

Description copied from interface: State

Checks if state wants to defer an event.

Specified by:

shouldDefer in interface State<S,E>

Overrides:

shouldDefer in class AbstractState<S,E>

Parameters:

event - the wrapped event

Returns:

true if event should be deferred

exit

public reactor.core.publisher.Mono<Void> exit(StateContext<S,E> context)

Description copied from interface: State

Initiate an exit sequence for the state.

Specified by:

exit in interface State<S,E>

Overrides:

exit in class AbstractState<S,E>

Parameters:

context - the state context

Returns:

Mono for completion

entry

public reactor.core.publisher.Mono<Void> entry(StateContext<S,E> context)

Description copied from interface: State

Initiate an entry sequence for the state.

Specified by:

entry in interface State<S,E>

Overrides:

entry in class AbstractState<S,E>

Parameters:

context - the state context

Returns:

Mono for completion

getIds

public Collection<S> getIds()

Description copied from interface: State

Gets the state identifiers. Usually returned collection contains only one identifier except in a case where state is an orthogonal.

Specified by:

getIds in interface State<S,E>

Specified by:

getIds in class AbstractState<S,E>

Returns:

the state identifiers

getStates

public Collection<State<S,E>> getStates()

Description copied from interface: State

Gets all possible states this state knows about including itself and substates.

Specified by:

getStates in interface State<S,E>

Specified by:

getStates in class AbstractState<S,E>

Returns:

all state including itself and nested states

setRegionExecutionPolicy

public void setRegionExecutionPolicy(RegionExecutionPolicy regionExecutionPolicy)

Sets the region execution policy.

Parameters:

regionExecutionPolicy - the new region execution policy

toString

public String toString()

Overrides:

toString in class AbstractState<S,E>