生命周期组件框架：生命周期描述语言——关系与读写锁执行过程示例
@StateMachine
static interface InformativeStateMachine {
@StateSet
static interface States {
@Initial
@Functions({ @Function(transition = Transitions.LogicalDelete.class, value = Recycled.class),
@Function(transition = Transitions.Confirm.class, value = Confirmed.class) })
static interface Draft {}
@Function(transition = Transitions.Finish.class, value = Finished.class)
static interface Confirmed {}
@End
static interface Finished {}
@Functions({ @Function(transition = Transitions.PutBack.class, value = Draft.class),
@Function(transition = Transitions.PhysicalDelete.class, value = Vanished.class) })
static interface Recycled {}
@End
static interface Vanished {}
}
@TransitionSet
static interface Transitions {
static interface Confirm {}
static interface LogicalDelete {}
static interface PutBack {}
static interface PhysicalDelete {}
static interface File {}
static interface Finish {}
}
}
@StateMachine
static interface CustomerStateMachine extends InformativeStateMachine {
@StateSet
static interface States extends InformativeStateMachine.States {
@CompositeState
@LifecycleOverride
static interface Confirmed extends InformativeStateMachine.States.Confirmed {
@StateSet
static interface ConfirmedStates {
@Initial
@Functions({ @Function(transition = Transitions.Suspend.class, value = ServiceSuspended.class),
@Function(transition = Transitions.TerminateService.class, value = ServiceExpired.class),
@Function(transition = Transitions.Cancel.class, value = Canceled.class) })
static interface InService {}
@Function(transition = Transitions.Resume.class, value = InService.class)
static interface ServiceSuspended {}
@Functions({ @Function(transition = Transitions.Renew.class, value = InService.class),
@Function(transition = Transitions.Disconnect.class, value = Disconnected.class),
@Function(transition = Transitions.Abandon.class, value = Abandoned.class) })
static interface ServiceExpired {}
@Functions({ @Function(transition = Transitions.Abandon.class, value = Abandoned.class),
@Function(transition = Transitions.Disconnect.class, value = Disconnected.class) })
static interface Canceled {}
@End
@ShortCut(InformativeStateMachine.States.Finished.class)
static interface Disconnected {}
@End
@ShortCut(InformativeStateMachine.States.Recycled.class)
static interface Abandoned {}
}
@TransitionSet
static interface Transitions {
static interface Abandon {}
static interface Suspend {}
static interface Resume {}
static interface Renew {}
static interface Cancel {}
static interface TerminateService {}
static interface Disconnect {}
}
}
}
}
@StateMachine
static interface ContractStateMachine extends InformativeStateMachine {
@StateSet
static interface States extends InformativeStateMachine.States {
@CompositeState
@LifecycleOverride
static interface Confirmed extends InformativeStateMachine.States.Confirmed {
@StateSet
static interface ConfirmedStates {
@Initial
@Functions({ @Function(transition = Transitions.StartService.class, value = ServiceStarted.class),
@Function(transition = Transitions.TerminateService.class, value = Terminated.class) })
@InboundWhile(on = { InformativeStateMachine.States.Draft.class, CustomerStateMachine.States.Confirmed.ConfirmedStates.InService.class },
relation = Relations.Customer.class)
@ValidWhile(on = { CustomerStateMachine.States.Confirmed.ConfirmedStates.InService.class }, relation = Relations.Customer.class)
static interface Effective {}
@Function(transition = Transitions.AbortService.class, value = ServiceAborted.class)
@ValidWhile(on = { CustomerStateMachine.States.Confirmed.ConfirmedStates.InService.class }, relation = Relations.Customer.class)
@InboundWhile(on = { CustomerStateMachine.States.Confirmed.ConfirmedStates.InService.class }, relation = Relations.Customer.class)
static interface ServiceStarted {}
@Function(transition = Transitions.Invalidate.class, value = Uneffective.class)
@InboundWhile(on = { CustomerStateMachine.States.Confirmed.ConfirmedStates.InService.class }, relation = Relations.Customer.class)
static interface ServiceAborted {}
@End
@ShortCut(InformativeStateMachine.States.Finished.class)
static interface Terminated {}
@End
@ShortCut(InformativeStateMachine.States.Draft.class)
static interface Uneffective {}
}
@TransitionSet
static interface Transitions {
static interface Invalidate {}
static interface StartService {}
static interface AbortService {}
static interface TerminateService {}
}
@RelationSet
static interface Relations {
@Parent
@RelateTo(CustomerStateMachine.class)
static interface Customer {}
}
}
}
}
@StateMachine
static interface OrderStateMachine extends InformativeStateMachine {
@StateSet
static interface States extends InformativeStateMachine.States {
@CompositeState
@LifecycleOverride
static interface Confirmed extends InformativeStateMachine.States.Confirmed {
@StateSet
static interface ConfirmedStates {
@Initial
@InboundWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class }, relation = Relations.Contract.class)
@ValidWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class }, relation = Relations.Contract.class)
@Functions({ @Function(transition = Transitions.StartProduce.class, value = Manufactoring.class),
@Function(transition = Transitions.Dequeue.class, value = Dequeued.class) })
static interface Queued {}
@InboundWhiles({
@InboundWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class },
relation = Relations.Contract.class),
@InboundWhile(on = { ResourceStateMachine.States.OfficialRunning.RunningStates.Idle.class }, relation = Relations.Resource.class) })
@ValidWhiles({ @ValidWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class },
relation = Relations.Contract.class) })
@Function(transition = Transitions.StartPackage.class, value = Packaging.class)
static interface Manufactoring {}
@InboundWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class }, relation = Relations.Contract.class)
@ValidWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class }, relation = Relations.Contract.class)
@Function(transition = Transitions.Deliver.class, value = { Delivering.class })
static interface Packaging {}
@InboundWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class }, relation = Relations.Contract.class)
@ValidWhile(on = { ContractStateMachine.States.Confirmed.ConfirmedStates.ServiceStarted.class }, relation = Relations.Contract.class)
@Function(transition = Transitions.Complete.class, value = Completed.class)
static interface Delivering {}
@End
@ShortCut(InformativeStateMachine.States.Finished.class)
static interface Completed {}
@End
@ShortCut(InformativeStateMachine.States.Draft.class)
static interface Dequeued {}
}
@TransitionSet
static interface Transitions {
static interface Deliver {}
static interface Dequeue {}
static interface StartProduce {}
static interface StartPackage {}
static interface Complete {}
}
@RelationSet
static interface Relations {
@Parent
@RelateTo(ContractStateMachine.class)
static interface Contract {}
@RelateTo(ResourceStateMachine.class)
static interface Resource {}
}
}
}
}
@StateMachine
static interface ResourceStateMachine {
@StateSet
static interface States {
@Initial
@Function(transition = Transitions.Test.class, value = TestRunning.class)
static interface New {}
@Functions({ @Function(transition = Transitions.GoLive.class, value = OfficialRunning.class),
@Function(transition = Transitions.ConfirmMalfunction.class, value = Malfunctioning.class) })
static interface TestRunning {}
@Functions({ @Function(transition = Transitions.Repair.class, value = Repairing.class),
@Function(transition = Transitions.Deprecate.class, value = Deprecated.class) })
static interface Malfunctioning {}
@Function(transition = Transitions.ConfirmMalfunction.class, value = Malfunctioning.class)
@CompositeState
static interface OfficialRunning {
@StateSet
static interface RunningStates {
@Initial
@Function(transition = RunningTransitions.Acquire.class, value = Busy.class)
static interface Idle {}
@Functions({ @Function(transition = RunningTransitions.Fail.class, value = Failing.class),
@Function(transition = RunningTransitions.Release.class, value = Idle.class) })
static interface Busy {}
@End
@ShortCut(Malfunctioning.class)
static interface Failing {}
}
@TransitionSet
static interface RunningTransitions {
static interface Acquire {}
static interface Release {}
static interface Fail {}
}
}
@Function(transition = Transitions.Test.class, value = TestRunning.class)
static interface Repairing {}
@End
static interface Deprecated {}
}
@TransitionSet
static interface Transitions {
static interface Test {}
static interface ConfirmMalfunction {}
static interface Repair {}
static interface GoLive {}
static interface Deprecate {}
}
}
@LifecycleMeta(InformativeStateMachine.class)
@LifecycleLock(SimpleLock.class)
static class InformativeObject extends ReactiveObject {
public InformativeObject() {
initialState(InformativeStateMachine.States.Draft.class.getSimpleName());
}
@Transition
public void confirm() {}
@Transition
public void logicalDelete() {}
@Transition
public void putBack() {}
@Transition
public void physicalDelete() {}
@Transition
public void file() {}
@Transition
public void finish() {}
}
@LifecycleMeta(CustomerStateMachine.class)
@LifecycleLock(SimpleLock.class)
static class CustomerObject extends InformativeObject {
@Transition
public void abandon() {}
@Transition
public void suspend() {}
@Transition
public void resume() {}
@Transition
public void renew() {}
@Transition
public void cancel() {}
@Transition
public void terminateService() {}
@Transition
public void disconnect() {}
}
@LifecycleMeta(ContractStateMachine.class)
@LifecycleLock(SimpleLock.class)
static class ContractObject extends InformativeObject {
@Relation(ContractStateMachine.States.Confirmed.Relations.Customer.class)
private CustomerObject customer;
public ContractObject(final CustomerObject customer) {
super();
this.customer = customer;
}
@Transition
public void invalidate() {}
@Transition
public void startService() {}
@Transition
public void abortService() {}
@Transition
public void terminateService() {}
}
@LifecycleMeta(OrderStateMachine.class)
@LifecycleLock(SimpleLock.class)
static class OrderObject extends InformativeObject {
@Relation
private ContractObject contract;
public OrderObject(ContractObject contract) {
this.contract = contract;
}
@Transition
public void deliver() {}
@Transition
public void dequeue() {}
@Transition
public void startProduce(@Relation(OrderStateMachine.States.Confirmed.Relations.Resource.class) ResourceObject resource) {}
@Transition
public void startPackage() {}
@Transition
public void complete() {}
}
@LifecycleMeta(ResourceStateMachine.class)
@LifecycleLock(SimpleLock.class)
static class ResourceObject extends ReactiveObject {
public ResourceObject() {
initialState(ResourceStateMachine.States.New.class.getName());
}
@Transition
public void test() {}
@Transition
public void confirmMalfunction() {}
@Transition
public void repair() {}
@Transition
public void goLive() {}
@Transition
public void deprecate() {}
@Transition
public void acquire() {}
@Transition
public void release() {}
@Transition
public void fail() {}
}
@Test
public void test_relational_locking() {
final CustomerObject customer = new CustomerObject();
final ContractObject contract = new ContractObject(customer);
final OrderObject order = new OrderObject(contract);
final ResourceObject resource = new ResourceObject();
customer.confirm();
contract.confirm();
contract.startService();
order.confirm();
resource.test();
resource.goLive();
order.startProduce(resource);
order.startPackage();
order.deliver();
order.complete();
assertState(OrderStateMachine.States.Finished.class, order);
}
带有关系约束的状态机引擎执行过程中读写锁的使用日志