List of usage examples for org.springframework.statemachine.trigger EventTrigger EventTrigger
public EventTrigger(E event)
From source file:org.springframework.statemachine.config.AbstractStateMachineFactory.java
@SuppressWarnings("unchecked") private StateMachine<S, E> buildMachine(Map<Object, StateMachine<S, E>> machineMap, Map<S, State<S, E>> stateMap, Map<S, StateHolder<S, E>> holderMap, Collection<StateData<S, E>> stateDatas, Collection<TransitionData<S, E>> transitionsData, BeanFactory beanFactory, Boolean contextEvents, DefaultExtendedState defaultExtendedState, TransitionsData<S, E> stateMachineTransitions, TaskExecutor taskExecutor, TaskScheduler taskScheduler, String machineId, UUID uuid, StateMachineModel<S, E> stateMachineModel) { State<S, E> state = null; State<S, E> initialState = null; PseudoState<S, E> historyState = null; Action<S, E> initialAction = null; Collection<State<S, E>> states = new ArrayList<State<S, E>>(); // for now loop twice and build states for // non initial/end pseudostates last for (StateData<S, E> stateData : stateDatas) { StateMachine<S, E> stateMachine = machineMap.get(stateData.getState()); if (stateMachine == null) { // get a submachine from state data if we didn't have // it already. stays null if we don't have one. stateMachine = stateData.getSubmachine(); if (stateMachine == null && stateData.getSubmachineFactory() != null) { stateMachine = stateData.getSubmachineFactory().getStateMachine(machineId); }//from w ww . j ava 2s . co m } state = stateMap.get(stateData.getState()); if (state != null) { states.add(state); if (stateData.isInitial()) { initialState = state; } continue; } if (stateMachine != null) { PseudoState<S, E> pseudoState = null; if (stateData.isInitial()) { pseudoState = new DefaultPseudoState<S, E>(PseudoStateKind.INITIAL); } state = new StateMachineState<S, E>(stateData.getState(), stateMachine, stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), pseudoState); // TODO: below if/else doesn't feel right if (stateDatas.size() > 1 && stateData.isInitial()) { initialState = state; initialAction = stateData.getInitialAction(); } else if (stateDatas.size() == 1) { initialState = state; initialAction = stateData.getInitialAction(); } states.add(state); } else { PseudoState<S, E> pseudoState = null; if (stateData.isInitial()) { pseudoState = new DefaultPseudoState<S, E>(PseudoStateKind.INITIAL); } else if (stateData.isEnd()) { pseudoState = new DefaultPseudoState<S, E>(PseudoStateKind.END); } else if (stateData.getPseudoStateKind() == PseudoStateKind.HISTORY_SHALLOW) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.HISTORY_DEEP) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.JOIN) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.FORK) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.CHOICE) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.JUNCTION) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.ENTRY) { continue; } else if (stateData.getPseudoStateKind() == PseudoStateKind.EXIT) { continue; } state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); if (stateData.isInitial()) { initialState = state; initialAction = stateData.getInitialAction(); } states.add(state); } stateMap.put(stateData.getState(), state); } for (StateData<S, E> stateData : stateDatas) { if (stateData.getPseudoStateKind() == PseudoStateKind.HISTORY_SHALLOW) { State<S, E> defaultState = null; S s = stateData.getState(); Collection<HistoryData<S, E>> historys = stateMachineTransitions.getHistorys(); for (HistoryData<S, E> history : historys) { if (history.getSource().equals(s)) { defaultState = stateMap.get(history.getTarget()); } } StateHolder<S, E> defaultStateHolder = new StateHolder<S, E>(defaultState); StateHolder<S, E> containingStateHolder = new StateHolder<S, E>( stateMap.get(stateData.getParent())); if (containingStateHolder.getState() == null) { holderMap.put((S) stateData.getParent(), containingStateHolder); } PseudoState<S, E> pseudoState = new HistoryPseudoState<S, E>(PseudoStateKind.HISTORY_SHALLOW, defaultStateHolder, containingStateHolder); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); historyState = pseudoState; } else if (stateData.getPseudoStateKind() == PseudoStateKind.HISTORY_DEEP) { State<S, E> defaultState = null; S s = stateData.getState(); Collection<HistoryData<S, E>> historys = stateMachineTransitions.getHistorys(); for (HistoryData<S, E> history : historys) { if (history.getSource().equals(s)) { defaultState = stateMap.get(history.getTarget()); } } StateHolder<S, E> defaultStateHolder = new StateHolder<S, E>(defaultState); StateHolder<S, E> containingStateHolder = new StateHolder<S, E>( stateMap.get(stateData.getParent())); if (containingStateHolder.getState() == null) { holderMap.put((S) stateData.getParent(), containingStateHolder); } PseudoState<S, E> pseudoState = new HistoryPseudoState<S, E>(PseudoStateKind.HISTORY_DEEP, defaultStateHolder, containingStateHolder); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); historyState = pseudoState; } if (stateData.getPseudoStateKind() == PseudoStateKind.CHOICE) { S s = stateData.getState(); List<ChoiceData<S, E>> list = stateMachineTransitions.getChoices().get(s); List<ChoiceStateData<S, E>> choices = new ArrayList<ChoiceStateData<S, E>>(); for (ChoiceData<S, E> c : list) { StateHolder<S, E> holder = new StateHolder<S, E>(stateMap.get(c.getTarget())); if (holder.getState() == null) { holderMap.put(c.getTarget(), holder); } choices.add(new ChoiceStateData<S, E>(holder, c.getGuard())); } PseudoState<S, E> pseudoState = new ChoicePseudoState<S, E>(choices); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); } else if (stateData.getPseudoStateKind() == PseudoStateKind.JUNCTION) { S s = stateData.getState(); List<JunctionData<S, E>> list = stateMachineTransitions.getJunctions().get(s); List<JunctionStateData<S, E>> junctions = new ArrayList<JunctionStateData<S, E>>(); for (JunctionData<S, E> c : list) { StateHolder<S, E> holder = new StateHolder<S, E>(stateMap.get(c.getTarget())); if (holder.getState() == null) { holderMap.put(c.getTarget(), holder); } junctions.add(new JunctionStateData<S, E>(holder, c.getGuard())); } PseudoState<S, E> pseudoState = new JunctionPseudoState<S, E>(junctions); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); } else if (stateData.getPseudoStateKind() == PseudoStateKind.ENTRY) { S s = stateData.getState(); Collection<EntryData<S, E>> entrys = stateMachineTransitions.getEntrys(); for (EntryData<S, E> entry : entrys) { if (s.equals(entry.getSource())) { PseudoState<S, E> pseudoState = new EntryPseudoState<S, E>(stateMap.get(entry.getTarget())); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); break; } } } else if (stateData.getPseudoStateKind() == PseudoStateKind.EXIT) { S s = stateData.getState(); Collection<ExitData<S, E>> exits = stateMachineTransitions.getExits(); for (ExitData<S, E> entry : exits) { if (s.equals(entry.getSource())) { StateHolder<S, E> holder = new StateHolder<S, E>(stateMap.get(entry.getTarget())); if (holder.getState() == null) { holderMap.put(entry.getTarget(), holder); } PseudoState<S, E> pseudoState = new ExitPseudoState<S, E>(holder); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); break; } } } else if (stateData.getPseudoStateKind() == PseudoStateKind.FORK) { S s = stateData.getState(); List<S> list = stateMachineTransitions.getForks().get(s); List<State<S, E>> forks = new ArrayList<State<S, E>>(); for (S fs : list) { forks.add(stateMap.get(fs)); } PseudoState<S, E> pseudoState = new ForkPseudoState<S, E>(forks); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); } else if (stateData.getPseudoStateKind() == PseudoStateKind.JOIN) { S s = stateData.getState(); List<S> list = stateMachineTransitions.getJoins().get(s); List<State<S, E>> joins = new ArrayList<State<S, E>>(); // if join source is a regionstate, get // it's end states from regions if (list.size() == 1) { State<S, E> ss1 = stateMap.get(list.get(0)); if (ss1 instanceof RegionState) { Collection<Region<S, E>> regions = ((RegionState<S, E>) ss1).getRegions(); for (Region<S, E> r : regions) { Collection<State<S, E>> ss2 = r.getStates(); for (State<S, E> ss3 : ss2) { if (ss3.getPseudoState() != null && ss3.getPseudoState().getKind() == PseudoStateKind.END) { joins.add(ss3); continue; } } } } } else { for (S fs : list) { joins.add(stateMap.get(fs)); } } List<JoinStateData<S, E>> joinTargets = new ArrayList<JoinStateData<S, E>>(); Collection<TransitionData<S, E>> transitions = stateMachineTransitions.getTransitions(); for (TransitionData<S, E> tt : transitions) { if (tt.getSource() == s) { StateHolder<S, E> holder = new StateHolder<S, E>(stateMap.get(tt.getTarget())); if (holder.getState() == null) { holderMap.put(tt.getTarget(), holder); } joinTargets.add(new JoinStateData<S, E>(holder, tt.getGuard())); } } JoinPseudoState<S, E> pseudoState = new JoinPseudoState<S, E>(joins, joinTargets); state = buildStateInternal(stateData.getState(), stateData.getDeferred(), stateData.getEntryActions(), stateData.getExitActions(), stateData.getStateActions(), pseudoState, stateMachineModel); states.add(state); stateMap.put(stateData.getState(), state); } } Collection<Transition<S, E>> transitions = new ArrayList<Transition<S, E>>(); for (TransitionData<S, E> transitionData : transitionsData) { S source = transitionData.getSource(); S target = transitionData.getTarget(); E event = transitionData.getEvent(); Long period = transitionData.getPeriod(); Integer count = transitionData.getCount(); Trigger<S, E> trigger = null; if (event != null) { trigger = new EventTrigger<S, E>(event); } else if (period != null) { TimerTrigger<S, E> t = new TimerTrigger<S, E>(period, count != null ? count : 0); if (beanFactory != null) { t.setBeanFactory(beanFactory); } if (taskExecutor != null) { t.setTaskExecutor(taskExecutor); } if (taskScheduler != null) { t.setTaskScheduler(taskScheduler); } trigger = t; ((AbstractState<S, E>) stateMap.get(source)).getTriggers().add(trigger); } if (transitionData.getKind() == TransitionKind.EXTERNAL) { // TODO can we do this? if (stateMap.get(source) == null || stateMap.get(target) == null) { continue; } DefaultExternalTransition<S, E> transition = new DefaultExternalTransition<S, E>( stateMap.get(source), stateMap.get(target), transitionData.getActions(), event, transitionData.getGuard(), trigger, transitionData.getSecurityRule()); transitions.add(transition); } else if (transitionData.getKind() == TransitionKind.LOCAL) { // TODO can we do this? if (stateMap.get(source) == null || stateMap.get(target) == null) { continue; } DefaultLocalTransition<S, E> transition = new DefaultLocalTransition<S, E>(stateMap.get(source), stateMap.get(target), transitionData.getActions(), event, transitionData.getGuard(), trigger, transitionData.getSecurityRule()); transitions.add(transition); } else if (transitionData.getKind() == TransitionKind.INTERNAL) { DefaultInternalTransition<S, E> transition = new DefaultInternalTransition<S, E>( stateMap.get(source), transitionData.getActions(), event, transitionData.getGuard(), trigger, transitionData.getSecurityRule()); transitions.add(transition); } } if (stateMachineTransitions.getJoins() != null) { for (Entry<S, List<S>> entry : stateMachineTransitions.getJoins().entrySet()) { if (stateMap.get(entry.getKey()) != null) { List<S> entryList = entry.getValue(); for (S entryState : entryList) { State<S, E> source = stateMap.get(entryState); if (source != null && !source.isOrthogonal()) { State<S, E> target = stateMap.get(entry.getKey()); DefaultExternalTransition<S, E> transition = new DefaultExternalTransition<S, E>(source, target, null, null, null, null, null); transitions.add(transition); } } } } } Transition<S, E> initialTransition = new InitialTransition<S, E>(initialState, initialAction); StateMachine<S, E> machine = buildStateMachineInternal(states, transitions, initialState, initialTransition, null, defaultExtendedState, historyState, contextEvents, beanFactory, taskExecutor, taskScheduler, beanName, machineId != null ? machineId : stateMachineModel.getConfigurationData().getMachineId(), uuid, stateMachineModel); return machine; }
From source file:org.springframework.statemachine.EnumStateMachineTests.java
@Test public void testSimpleStateSwitch() { PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>( PseudoStateKind.INITIAL);/*from www.j a v a 2 s . co m*/ State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, pseudoState); State<TestStates, TestEvents> stateS1 = new EnumState<TestStates, TestEvents>(TestStates.S1); State<TestStates, TestEvents> stateS2 = new EnumState<TestStates, TestEvents>(TestStates.S2); State<TestStates, TestEvents> stateS3 = new EnumState<TestStates, TestEvents>(TestStates.S3); Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>(); states.add(stateSI); states.add(stateS1); states.add(stateS2); states.add(stateS3); Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>(); Collection<Action<TestStates, TestEvents>> actionsFromSIToS1 = new ArrayList<Action<TestStates, TestEvents>>(); actionsFromSIToS1.add(new LoggingAction("actionsFromSIToS1")); DefaultExternalTransition<TestStates, TestEvents> transitionFromSIToS1 = new DefaultExternalTransition<TestStates, TestEvents>( stateSI, stateS1, actionsFromSIToS1, TestEvents.E1, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E1)); Collection<Action<TestStates, TestEvents>> actionsFromS1ToS2 = new ArrayList<Action<TestStates, TestEvents>>(); actionsFromS1ToS2.add(new LoggingAction("actionsFromS1ToS2")); DefaultExternalTransition<TestStates, TestEvents> transitionFromS1ToS2 = new DefaultExternalTransition<TestStates, TestEvents>( stateS1, stateS2, actionsFromS1ToS2, TestEvents.E2, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E2)); Collection<Action<TestStates, TestEvents>> actionsFromS2ToS3 = new ArrayList<Action<TestStates, TestEvents>>(); actionsFromS1ToS2.add(new LoggingAction("actionsFromS2ToS3")); DefaultExternalTransition<TestStates, TestEvents> transitionFromS2ToS3 = new DefaultExternalTransition<TestStates, TestEvents>( stateS2, stateS3, actionsFromS2ToS3, TestEvents.E3, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E3)); transitions.add(transitionFromSIToS1); transitions.add(transitionFromS1ToS2); transitions.add(transitionFromS2ToS3); SyncTaskExecutor taskExecutor = new SyncTaskExecutor(); BeanFactory beanFactory = new DefaultListableBeanFactory(); ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states, transitions, stateSI); machine.setTaskExecutor(taskExecutor); machine.setBeanFactory(beanFactory); machine.afterPropertiesSet(); machine.start(); State<TestStates, TestEvents> initialState = machine.getInitialState(); assertThat(initialState, is(stateSI)); State<TestStates, TestEvents> state = machine.getState(); assertThat(state, is(stateSI)); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build()); state = machine.getState(); assertThat(state, is(stateS1)); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).build()); state = machine.getState(); assertThat(state, is(stateS2)); // not processed machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build()); state = machine.getState(); assertThat(state, is(stateS2)); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E3).build()); state = machine.getState(); assertThat(state, is(stateS3)); }
From source file:org.springframework.statemachine.EnumStateMachineTests.java
@Test public void testDeferredEvents() { PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>( PseudoStateKind.INITIAL);//from www. ja v a 2s. c o m Collection<TestEvents> deferred = new ArrayList<TestEvents>(); deferred.add(TestEvents.E2); deferred.add(TestEvents.E3); // states State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, deferred, null, null, pseudoState); State<TestStates, TestEvents> stateS1 = new EnumState<TestStates, TestEvents>(TestStates.S1); State<TestStates, TestEvents> stateS2 = new EnumState<TestStates, TestEvents>(TestStates.S2); State<TestStates, TestEvents> stateS3 = new EnumState<TestStates, TestEvents>(TestStates.S3); Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>(); states.add(stateSI); states.add(stateS1); states.add(stateS2); states.add(stateS3); // transitions Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>(); Collection<Action<TestStates, TestEvents>> actionsFromSIToS1 = new ArrayList<Action<TestStates, TestEvents>>(); actionsFromSIToS1.add(new LoggingAction("actionsFromSIToS1")); DefaultExternalTransition<TestStates, TestEvents> transitionFromSIToS1 = new DefaultExternalTransition<TestStates, TestEvents>( stateSI, stateS1, actionsFromSIToS1, TestEvents.E1, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E1)); Collection<Action<TestStates, TestEvents>> actionsFromS1ToS2 = new ArrayList<Action<TestStates, TestEvents>>(); actionsFromS1ToS2.add(new LoggingAction("actionsFromS1ToS2")); DefaultExternalTransition<TestStates, TestEvents> transitionFromS1ToS2 = new DefaultExternalTransition<TestStates, TestEvents>( stateS1, stateS2, actionsFromS1ToS2, TestEvents.E2, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E2)); Collection<Action<TestStates, TestEvents>> actionsFromS2ToS3 = new ArrayList<Action<TestStates, TestEvents>>(); actionsFromS1ToS2.add(new LoggingAction("actionsFromS2ToS3")); DefaultExternalTransition<TestStates, TestEvents> transitionFromS2ToS3 = new DefaultExternalTransition<TestStates, TestEvents>( stateS2, stateS3, actionsFromS2ToS3, TestEvents.E3, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E3)); transitions.add(transitionFromSIToS1); transitions.add(transitionFromS1ToS2); transitions.add(transitionFromS2ToS3); // create machine SyncTaskExecutor taskExecutor = new SyncTaskExecutor(); BeanFactory beanFactory = new DefaultListableBeanFactory(); ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states, transitions, stateSI); machine.setTaskExecutor(taskExecutor); machine.setBeanFactory(beanFactory); machine.afterPropertiesSet(); machine.start(); State<TestStates, TestEvents> initialState = machine.getInitialState(); assertThat(initialState, is(stateSI)); State<TestStates, TestEvents> state = machine.getState(); assertThat(state, is(stateSI)); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E2).build()); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E3).build()); state = machine.getState(); assertThat(state, is(stateSI)); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build()); state = machine.getState(); assertThat(state, is(stateS3)); }
From source file:org.springframework.statemachine.EnumStateMachineTests.java
@Test public void testInternalTransitions() { PseudoState<TestStates, TestEvents> pseudoState = new DefaultPseudoState<TestStates, TestEvents>( PseudoStateKind.INITIAL);/*from w w w .java 2 s. c om*/ State<TestStates, TestEvents> stateSI = new EnumState<TestStates, TestEvents>(TestStates.SI, pseudoState); Collection<State<TestStates, TestEvents>> states = new ArrayList<State<TestStates, TestEvents>>(); states.add(stateSI); Collection<Action<TestStates, TestEvents>> actionsInSI = new ArrayList<Action<TestStates, TestEvents>>(); actionsInSI.add(new LoggingAction("actionsInSI")); DefaultInternalTransition<TestStates, TestEvents> transitionInternalSI = new DefaultInternalTransition<TestStates, TestEvents>( stateSI, actionsInSI, TestEvents.E1, null, new EventTrigger<TestStates, TestEvents>(TestEvents.E1)); // transitions Collection<Transition<TestStates, TestEvents>> transitions = new ArrayList<Transition<TestStates, TestEvents>>(); transitions.add(transitionInternalSI); SyncTaskExecutor taskExecutor = new SyncTaskExecutor(); BeanFactory beanFactory = new DefaultListableBeanFactory(); ObjectStateMachine<TestStates, TestEvents> machine = new ObjectStateMachine<TestStates, TestEvents>(states, transitions, stateSI); machine.setTaskExecutor(taskExecutor); machine.setBeanFactory(beanFactory); machine.afterPropertiesSet(); machine.start(); machine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build()); }