List of usage examples for org.springframework.statemachine.support DefaultExtendedState DefaultExtendedState
public DefaultExtendedState()
From source file:org.springframework.statemachine.config.AbstractStateMachineFactory.java
/** * Main constructor that create a {@link StateMachine}. * * @param uuid for internal usage. Can be null, in that case a random one will be generated. * @param machineId represent a user Id, up to you to set what you want. * @return a {@link StateMachine}/*ww w . ja v a 2 s.c om*/ */ @SuppressWarnings("unchecked") public StateMachine<S, E> getStateMachine(UUID uuid, String machineId) { StateMachineModel<S, E> stateMachineModel = resolveStateMachineModel(machineId); if (stateMachineModel.getConfigurationData().isVerifierEnabled()) { StateMachineModelVerifier<S, E> verifier = stateMachineModel.getConfigurationData().getVerifier(); if (verifier == null) { verifier = new CompositeStateMachineModelVerifier<S, E>(); } verifier.verify(stateMachineModel); } // shared DefaultExtendedState defaultExtendedState = new DefaultExtendedState(); StateMachine<S, E> machine = null; // we store mappings from state id's to states which gets // created during the process. This is needed for transitions to // find a correct mappings because they use state id's, not actual // states. final Map<S, State<S, E>> stateMap = new HashMap<S, State<S, E>>(); Stack<MachineStackItem<S, E>> regionStack = new Stack<MachineStackItem<S, E>>(); Stack<StateData<S, E>> stateStack = new Stack<StateData<S, E>>(); Map<Object, StateMachine<S, E>> machineMap = new HashMap<Object, StateMachine<S, E>>(); Map<S, StateHolder<S, E>> holderMap = new HashMap<S, StateHolder<S, E>>(); Iterator<Node<StateData<S, E>>> iterator = buildStateDataIterator(stateMachineModel); while (iterator.hasNext()) { Node<StateData<S, E>> node = iterator.next(); StateData<S, E> stateData = node.getData(); StateData<S, E> peek = stateStack.isEmpty() ? null : stateStack.peek(); // simply push and continue if (stateStack.isEmpty()) { stateStack.push(stateData); continue; } boolean stackContainsSameParent = false; Iterator<StateData<S, E>> ii = stateStack.iterator(); while (ii.hasNext()) { StateData<S, E> sd = ii.next(); if (stateData != null && ObjectUtils.nullSafeEquals(stateData.getState(), sd.getParent())) { stackContainsSameParent = true; break; } } if (stateData != null && !stackContainsSameParent) { stateStack.push(stateData); continue; } Collection<StateData<S, E>> stateDatas = popSameParents(stateStack); int initialCount = getInitialCount(stateDatas); Collection<Collection<StateData<S, E>>> regionsStateDatas = splitIntoRegions(stateDatas); Collection<TransitionData<S, E>> transitionsData = getTransitionData(iterator.hasNext(), stateDatas, stateMachineModel); if (initialCount > 1) { for (Collection<StateData<S, E>> regionStateDatas : regionsStateDatas) { machine = buildMachine(machineMap, stateMap, holderMap, regionStateDatas, transitionsData, resolveBeanFactory(stateMachineModel), contextEvents, defaultExtendedState, stateMachineModel.getTransitionsData(), resolveTaskExecutor(stateMachineModel), resolveTaskScheduler(stateMachineModel), machineId, null, stateMachineModel); regionStack.push(new MachineStackItem<S, E>(machine)); } Collection<Region<S, E>> regions = new ArrayList<Region<S, E>>(); while (!regionStack.isEmpty()) { MachineStackItem<S, E> pop = regionStack.pop(); regions.add(pop.machine); } S parent = (S) peek.getParent(); RegionState<S, E> rstate = buildRegionStateInternal(parent, regions, null, stateData != null ? stateData.getEntryActions() : null, stateData != null ? stateData.getExitActions() : null, new DefaultPseudoState<S, E>(PseudoStateKind.INITIAL)); if (stateData != null) { stateMap.put(stateData.getState(), rstate); } else { // TODO: don't like that we create a last machine here Collection<State<S, E>> states = new ArrayList<State<S, E>>(); states.add(rstate); Transition<S, E> initialTransition = new InitialTransition<S, E>(rstate); StateMachine<S, E> m = buildStateMachineInternal(states, new ArrayList<Transition<S, E>>(), rstate, initialTransition, null, defaultExtendedState, null, contextEvents, resolveBeanFactory(stateMachineModel), resolveTaskExecutor(stateMachineModel), resolveTaskScheduler(stateMachineModel), beanName, machineId != null ? machineId : stateMachineModel.getConfigurationData().getMachineId(), uuid, stateMachineModel); machine = m; } } else { machine = buildMachine(machineMap, stateMap, holderMap, stateDatas, transitionsData, resolveBeanFactory(stateMachineModel), contextEvents, defaultExtendedState, stateMachineModel.getTransitionsData(), resolveTaskExecutor(stateMachineModel), resolveTaskScheduler(stateMachineModel), machineId, uuid, stateMachineModel); if (peek.isInitial() || (!peek.isInitial() && !machineMap.containsKey(peek.getParent()))) { machineMap.put(peek.getParent(), machine); } } stateStack.push(stateData); } // setup autostart for top-level machine if (machine instanceof LifecycleObjectSupport) { ((LifecycleObjectSupport) machine) .setAutoStartup(stateMachineModel.getConfigurationData().isAutoStart()); } // set top-level machine as relay final StateMachine<S, E> fmachine = machine; fmachine.getStateMachineAccessor().doWithAllRegions(new StateMachineFunction<StateMachineAccess<S, E>>() { @Override public void apply(StateMachineAccess<S, E> function) { function.setRelay(fmachine); } }); // add monitoring hooks final StateMachineMonitor<S, E> stateMachineMonitor = stateMachineModel.getConfigurationData() .getStateMachineMonitor(); if (stateMachineMonitor != null || defaultStateMachineMonitor != null) { fmachine.getStateMachineAccessor().doWithRegion(new StateMachineFunction<StateMachineAccess<S, E>>() { @Override public void apply(StateMachineAccess<S, E> function) { if (defaultStateMachineMonitor != null) { function.addStateMachineMonitor(defaultStateMachineMonitor); } if (stateMachineMonitor != null) { function.addStateMachineMonitor(stateMachineMonitor); } } }); } // TODO: should error out if sec is enabled but spring-security is not in cp if (stateMachineModel.getConfigurationData().isSecurityEnabled()) { final StateMachineSecurityInterceptor<S, E> securityInterceptor = new StateMachineSecurityInterceptor<S, E>( stateMachineModel.getConfigurationData().getTransitionSecurityAccessDecisionManager(), stateMachineModel.getConfigurationData().getEventSecurityAccessDecisionManager(), stateMachineModel.getConfigurationData().getEventSecurityRule()); log.info("Adding security interceptor " + securityInterceptor); fmachine.getStateMachineAccessor() .doWithAllRegions(new StateMachineFunction<StateMachineAccess<S, E>>() { @Override public void apply(StateMachineAccess<S, E> function) { function.addStateMachineInterceptor(securityInterceptor); } }); } // setup distributed state machine if needed. // we wrap previously build machine with a distributed // state machine and set it to use given ensemble. if (stateMachineModel.getConfigurationData().getStateMachineEnsemble() != null) { DistributedStateMachine<S, E> distributedStateMachine = new DistributedStateMachine<S, E>( stateMachineModel.getConfigurationData().getStateMachineEnsemble(), machine); distributedStateMachine.setAutoStartup(stateMachineModel.getConfigurationData().isAutoStart()); distributedStateMachine.afterPropertiesSet(); machine = distributedStateMachine; } for (StateMachineListener<S, E> listener : stateMachineModel.getConfigurationData() .getStateMachineListeners()) { machine.addStateListener(listener); } // go through holders and fix state references which // were not known at a time holder was created for (Entry<S, StateHolder<S, E>> holder : holderMap.entrySet()) { holder.getValue().setState(stateMap.get(holder.getKey())); } return delegateAutoStartup(machine); }
From source file:org.springframework.statemachine.support.AbstractStateMachine.java
/** * Instantiates a new abstract state machine. * * @param states the states of this machine * @param transitions the transitions of this machine * @param initialState the initial state of this machine *///from ww w. j a v a 2 s . c om public AbstractStateMachine(Collection<State<S, E>> states, Collection<Transition<S, E>> transitions, State<S, E> initialState) { this(states, transitions, initialState, new DefaultExtendedState()); }
From source file:org.springframework.statemachine.support.AbstractStateMachine.java
/** * Instantiates a new abstract state machine. * * @param states the states of this machine * @param transitions the transitions of this machine * @param initialState the initial state of this machine * @param initialTransition the initial transition * @param initialEvent the initial event of this machine * @param extendedState the extended state of this machine * @param uuid the given uuid for this machine */// w w w.j a va2s . c om public AbstractStateMachine(Collection<State<S, E>> states, Collection<Transition<S, E>> transitions, State<S, E> initialState, Transition<S, E> initialTransition, Message<E> initialEvent, ExtendedState extendedState, UUID uuid) { super(); this.uuid = uuid == null ? UUID.randomUUID() : uuid; this.states = states; this.transitions = transitions; this.initialState = initialState; this.initialEvent = initialEvent; this.extendedState = extendedState != null ? extendedState : new DefaultExtendedState(); if (initialTransition == null) { this.initialTransition = new InitialTransition<S, E>(initialState); } else { this.initialTransition = initialTransition; } }