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Add support for timers in uml

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- Can now use timers based on TimeEvent, TimeExpression
  and LiteralInteger.
- Fixes #207
This commit is contained in:
Janne Valkealahti
2016-04-23 09:46:37 +01:00
parent 149d9e17b3
commit debc50cb56
6 changed files with 345 additions and 1 deletions
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16
spring-statemachine-core/src/main/java/org/springframework/statemachine/config/model/TransitionData.java
View File

@@ -66,6 +66,22 @@ public class TransitionData<S, E> {
this(source, target, null, event, null, null, actions, guard, kind, null);
}
/**
* Instantiates a new transition data.
*
* @param source the source
* @param target the target
* @param period the period
* @param count the count
* @param actions the actions
* @param guard the guard
* @param kind the kind
*/
public TransitionData(S source, S target, Long period, Integer count, Collection<Action<S, E>> actions,
Guard<S, E> guard, TransitionKind kind) {
this(source, target, null, null, period, count, actions, guard, kind, null);
}
/**
* Instantiates a new transition data.
*

23
spring-statemachine-uml/src/main/java/org/springframework/statemachine/uml/support/UmlModelParser.java
View File

@@ -38,6 +38,7 @@ import org.eclipse.uml2.uml.Signal;
import org.eclipse.uml2.uml.SignalEvent;
import org.eclipse.uml2.uml.State;
import org.eclipse.uml2.uml.StateMachine;
import org.eclipse.uml2.uml.TimeEvent;
import org.eclipse.uml2.uml.Transition;
import org.eclipse.uml2.uml.Trigger;
import org.eclipse.uml2.uml.UMLPackage;
@@ -279,7 +280,7 @@ public class UmlModelParser {
}
// go through all triggers and create transition
// from signals
// from signals, or transitions from timers
for (Trigger trigger : transition.getTriggers()) {
Event event = trigger.getEvent();
if (event instanceof SignalEvent) {
@@ -289,6 +290,18 @@ public class UmlModelParser {
transition.getTarget().getName(), signal.getName(), resolveTransitionActions(transition), null,
UmlUtils.mapUmlTransitionType(transition)));
}
} else if (event instanceof TimeEvent) {
TimeEvent timeEvent = (TimeEvent)event;
Long period = getTimePeriod(timeEvent);
if (period != null) {
Integer count = null;
if (timeEvent.isRelative()) {
count = 1;
}
transitionDatas.add(new TransitionData<String, String>(transition.getSource().getName(),
transition.getTarget().getName(), period, count, resolveTransitionActions(transition), null,
UmlUtils.mapUmlTransitionType(transition)));
}
}
}
@@ -300,6 +313,14 @@ public class UmlModelParser {
}
}
private Long getTimePeriod(TimeEvent event) {
try {
return Long.valueOf(event.getWhen().getExpr().integerValue());
} catch (Exception e) {
return null;
}
}
private Collection<Action<String, String>> resolveTransitionActions(Transition transition) {
ArrayList<Action<String, String>> actions = new ArrayList<Action<String, String>>();
if (transition.getEffect() instanceof OpaqueBehavior) {

55
spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
View File

@@ -474,6 +474,34 @@ public class UmlStateMachineModelFactoryTests extends AbstractUmlTests {
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S22"));
}
@Test
@SuppressWarnings("unchecked")
public void testSimpleTimers1() throws Exception {
context.register(Config13.class);
context.refresh();
StateMachine<String, String> stateMachine = context.getBean(StateMachine.class);
LatchAction s3Entry = context.getBean("s3Entry", LatchAction.class);
stateMachine.start();
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S1"));
stateMachine.sendEvent("E1");
assertThat(s3Entry.latch.await(2, TimeUnit.SECONDS), is(true));
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S3"));
}
@Test
@SuppressWarnings("unchecked")
public void testSimpleTimers2() throws Exception {
context.register(Config13.class);
context.refresh();
StateMachine<String, String> stateMachine = context.getBean(StateMachine.class);
LatchAction s5Entry = context.getBean("s5Entry", LatchAction.class);
stateMachine.start();
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S1"));
stateMachine.sendEvent("E2");
assertThat(s5Entry.latch.await(2, TimeUnit.SECONDS), is(true));
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S5"));
}
@Configuration
@EnableStateMachine
public static class Config2 extends StateMachineConfigurerAdapter<String, String> {
@@ -710,6 +738,33 @@ public class UmlStateMachineModelFactoryTests extends AbstractUmlTests {
}
}
@Configuration
@EnableStateMachine
public static class Config13 extends StateMachineConfigurerAdapter<String, String> {
@Override
public void configure(StateMachineModelConfigurer<String, String> model) throws Exception {
model
.withModel()
.factory(modelFactory());
}
@Bean
public StateMachineModelFactory<String, String> modelFactory() {
return new UmlStateMachineModelFactory("classpath:org/springframework/statemachine/uml/simple-timers.uml");
}
@Bean
public LatchAction s3Entry() {
return new LatchAction();
}
@Bean
public LatchAction s5Entry() {
return new LatchAction();
}
}
public static class LatchAction implements Action<String, String> {
CountDownLatch latch = new CountDownLatch(1);
@Override

2
spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.di Normal file
View File

@@ -0,0 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"/>

200
spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.notation Normal file
View File

@@ -0,0 +1,200 @@
<?xml version="1.0" encoding="UTF-8"?>
<notation:Diagram xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmlns:style="http://www.eclipse.org/papyrus/infra/viewpoints/policy/style" xmlns:uml="http://www.eclipse.org/uml2/5.0.0/UML" xmi:id="_TL2hoQkYEeayEI1yTJhWhg" type="PapyrusUMLStateMachineDiagram" name="StateMachine Diagram" measurementUnit="Pixel">
<children xmi:type="notation:Shape" xmi:id="_TL2hogkYEeayEI1yTJhWhg" type="2000">
<children xmi:type="notation:DecorationNode" xmi:id="_TL2howkYEeayEI1yTJhWhg" type="2001">
<layoutConstraint xmi:type="notation:Bounds" xmi:id="_TL2hpAkYEeayEI1yTJhWhg" width="700" height="23"/>
</children>
<children xmi:type="notation:DecorationNode" xmi:id="_TL2hpQkYEeayEI1yTJhWhg" type="2002">
<children xmi:type="notation:Shape" xmi:id="_TL2hpgkYEeayEI1yTJhWhg" type="3000">
<eAnnotations xmi:type="ecore:EAnnotation" xmi:id="_TL2hpwkYEeayEI1yTJhWhg" source="RegionAnnotationKey">
<details xmi:type="ecore:EStringToStringMapEntry" xmi:id="_TL2hqAkYEeayEI1yTJhWhg" key="RegionZoneKey" value=""/>
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</children>
<element xmi:type="uml:State" href="simple-timers.uml#_WMluwAkYEeayEI1yTJhWhg"/>
<layoutConstraint xmi:type="notation:Bounds" xmi:id="_WMqnQQkYEeayEI1yTJhWhg" x="150" y="27" width="61" height="65"/>
</children>
<children xmi:type="notation:Shape" xmi:id="_XmuKcAkYEeayEI1yTJhWhg" type="6000">
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</children>
<element xmi:type="uml:State" href="simple-timers.uml#_XmqgEAkYEeayEI1yTJhWhg"/>
<layoutConstraint xmi:type="notation:Bounds" xmi:id="_XmuKcQkYEeayEI1yTJhWhg" x="310" y="27" width="61" height="65"/>
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</notation:Diagram>

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spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-timers.uml Normal file
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