spring-state-machine持久化restore踩坑

org.springframework.statemachine.persist.AbstractStateMachinePersister#restore

@Override
public final StateMachine<S, E> restore(StateMachine<S, E> stateMachine, T contextObj) throws Exception {
  final StateMachineContext<S, E> context = stateMachinePersist.read(contextObj);
  stateMachine.stopReactively().block();
  stateMachine.getStateMachineAccessor().doWithAllRegions(function -> function.resetStateMachineReactively(context).block());
  stateMachine.startReactively().block();
  return stateMachine;
}

public Mono<StateMachine<StateEnum, WordChain>> restore(StateMachine<WordChainStateEnuminEventEnum> stateMaring contextObj) {
    return stateMachine.stopReactively().then(Mono.fromSupplier((SerSupp<StateMachineContext<WordChainStateEnum, WordChainEventEn                    ateMachineRuntimePersister.read(contextObj))).flatMapMany(context ->
                    Flux.fromIterable(stateMachine.getStateMachineAccessor().withAllRegions())
                            .flatMap(function -> function.resetStateMachineReactively(context)))
            .then(stateMachine.startReactively()).thenReturn(stateMachine);
}