Examples with ElementReferenceExpression org.yakindu.base.expressions.expressions.ElementReferenceExpression used on opensource projects

Example 11 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class ModelSequencerStateTest method testStateCycle_WithLocalReactionsOnly.

/**
 * The cycle sequence of a state that only consists of local reactions
 * includes sequential processing of the local reactions.
 */
@SuppressWarnings("unused")
@Test
public void testStateCycle_WithLocalReactionsOnly() {
    MinimalTSC tsc = new MinimalTSC();
    VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);
    // the first local reaction conforms to "e1 / x=42;"
    LocalReaction lr1 = _createLocalReaction(tsc.s1, null);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr1.getTrigger());
    ReactionEffect lr1_eff = _createReactionEffect(lr1);
    AssignmentExpression assign1 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr1_eff);
    // the secont local reaction conforms to "e1 [x==42] / x=0;"
    LocalReaction lr2 = _createLocalReaction(tsc.s1, null);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr2.getTrigger());
    LogicalRelationExpression lr2_equals = ExpressionsFactory.eINSTANCE.createLogicalRelationExpression();
    lr2_equals.setOperator(RelationalOperator.EQUALS);
    ElementReferenceExpression lr2_varRef = ExpressionsFactory.eINSTANCE.createElementReferenceExpression();
    lr2_varRef.setReference(v1);
    PrimitiveValueExpression lr2_value = _createValue(42);
    lr2_equals.setLeftOperand(lr2_varRef);
    lr2_equals.setRightOperand(lr2_value);
    ((ReactionTrigger) lr2.getTrigger()).setGuard(createGuardExpression(lr2_equals));
    ReactionEffect lr2_eff = _createReactionEffect(lr2);
    AssignmentExpression assign2 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(0), lr2_eff);
    // the third local reaction conforms to: "[x==0] / x=1;"
    LocalReaction lr3 = _createLocalReaction(tsc.s1, null);
    LogicalRelationExpression lr3_equals = ExpressionsFactory.eINSTANCE.createLogicalRelationExpression();
    lr3_equals.setOperator(RelationalOperator.EQUALS);
    ElementReferenceExpression lr3_varRef = ExpressionsFactory.eINSTANCE.createElementReferenceExpression();
    lr3_varRef.setReference(v1);
    PrimitiveValueExpression lr3_value = _createValue(0);
    lr3_equals.setLeftOperand(lr3_varRef);
    lr3_equals.setRightOperand(lr3_value);
    ((ReactionTrigger) lr3.getTrigger()).setGuard(createGuardExpression(lr3_equals));
    ReactionEffect lr3_eff = _createReactionEffect(lr3);
    AssignmentExpression assign3 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(1), lr3_eff);
    ExecutionFlow flow = sequencer.transform(tsc.sc);
    // test state with one outgoing transition
    ExecutionState s1 = flow.getStates().get(0);
    assertEquals(tsc.s1.getName(), s1.getSimpleName());
    assertEquals(3, s1.getReactions().size());
    assertNotNull(s1.getReactSequence());
    Step step = s1.getReactSequence().getSteps().get(0);
    Sequence _seq = assertedSequence(assertedSequence(assertedSequence(assertedSequence(assertedSequence(step).getSteps().get(0)).getSteps().get(0)).getSteps().get(0)).getSteps().get(0));
    assertEquals(3, _seq.getSteps().size());
    // check first local reaction
    If _lr1 = (If) _seq.getSteps().get(0);
    assertClass(ElementReferenceExpression.class, _lr1.getCheck().getCondition());
    assertSame(s1.getReactions().get(0).getCheck().getCondition(), _lr1.getCheck().getCondition());
    Call _lr1_eff_call = (Call) _lr1.getThenStep();
    assertSame(s1.getReactions().get(0).getEffect(), _lr1_eff_call.getStep());
    // check second local reaction
    If _lr2 = (If) _seq.getSteps().get(1);
    assertClass(LogicalAndExpression.class, _lr2.getCheck().getCondition());
    assertSame(s1.getReactions().get(1).getCheck().getCondition(), _lr2.getCheck().getCondition());
    Call _lr2_eff_call = (Call) _lr2.getThenStep();
    assertSame(s1.getReactions().get(1).getEffect(), _lr2_eff_call.getStep());
    // check the third local reaction
    If _lr3 = (If) _seq.getSteps().get(2);
    assertClass(LogicalRelationExpression.class, _lr3.getCheck().getCondition());
    assertSame(s1.getReactions().get(2).getCheck().getCondition(), _lr3.getCheck().getCondition());
    Call _lr3_eff_call = (Call) _lr3.getThenStep();
    assertSame(s1.getReactions().get(2).getEffect(), _lr3_eff_call.getStep());
}

Example 12 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class ModelSequencerStateTest method testStateCycle_WithLocalReactions.

@SuppressWarnings("unused")
@Test
public void testStateCycle_WithLocalReactions() {
    SimpleFlatTSC tsc = new SimpleFlatTSC();
    VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);
    // the first local reaction conforms to "e1 / x=42;"
    LocalReaction lr1 = _createLocalReaction(tsc.s1, null);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr1.getTrigger());
    ReactionEffect lr1_eff = _createReactionEffect(lr1);
    AssignmentExpression assign1 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr1_eff);
    // the secont local reaction conforms to "e1 [x==42] / x=0;"
    LocalReaction lr2 = _createLocalReaction(tsc.s1, null);
    _createRegularEventSpec(tsc.e1, (ReactionTrigger) lr2.getTrigger());
    LogicalRelationExpression lr2_equals = ExpressionsFactory.eINSTANCE.createLogicalRelationExpression();
    lr2_equals.setOperator(RelationalOperator.EQUALS);
    ElementReferenceExpression lr2_varRef = ExpressionsFactory.eINSTANCE.createElementReferenceExpression();
    lr2_varRef.setReference(v1);
    PrimitiveValueExpression lr2_value = _createValue(42);
    lr2_equals.setLeftOperand(lr2_varRef);
    lr2_equals.setRightOperand(lr2_value);
    ((ReactionTrigger) lr2.getTrigger()).setGuard(createGuardExpression(lr2_equals));
    ReactionEffect lr2_eff = _createReactionEffect(lr2);
    AssignmentExpression assign2 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(0), lr2_eff);
    // the third local reaction conforms to: "[x==0] / x=1;"
    LocalReaction lr3 = _createLocalReaction(tsc.s1, null);
    LogicalRelationExpression lr3_equals = ExpressionsFactory.eINSTANCE.createLogicalRelationExpression();
    lr3_equals.setOperator(RelationalOperator.EQUALS);
    ElementReferenceExpression lr3_varRef = ExpressionsFactory.eINSTANCE.createElementReferenceExpression();
    lr3_varRef.setReference(v1);
    PrimitiveValueExpression lr3_value = _createValue(0);
    lr3_equals.setLeftOperand(lr3_varRef);
    lr3_equals.setRightOperand(lr3_value);
    ((ReactionTrigger) lr3.getTrigger()).setGuard(createGuardExpression(lr3_equals));
    ReactionEffect lr3_eff = _createReactionEffect(lr3);
    AssignmentExpression assign3 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(1), lr3_eff);
    ExecutionFlow flow = sequencer.transform(tsc.sc);
    // test state with one outgoing transition
    ExecutionState s1 = flow.getStates().get(0);
    ExecutionState s2 = flow.getStates().get(1);
    assertEquals(tsc.s1.getName(), s1.getSimpleName());
    assertEquals(tsc.s2.getName(), s2.getSimpleName());
    assertEquals(4, s1.getReactions().size());
    assertNotNull(s1.getReactSequence());
    Step step = s1.getReactSequence().getSteps().get(0);
    If _if = (If) assertedSequence(assertedSequence(assertedSequence(step).getSteps().get(0)).getSteps().get(0)).getSteps().get(0);
    assertNotNull(_if.getThenStep());
    assertClass(Call.class, _if.getThenStep());
    assertNotNull(_if.getElseStep());
    Sequence _seq = assertedSequence(assertedSequence(_if.getElseStep()).getSteps().get(0));
    assertEquals(3, _seq.getSteps().size());
    // check first local reaction
    If _lr1 = (If) _seq.getSteps().get(0);
    assertClass(ElementReferenceExpression.class, _lr1.getCheck().getCondition());
    assertSame(s1.getReactions().get(0).getCheck().getCondition(), _lr1.getCheck().getCondition());
    Call _lr1_eff_call = (Call) _lr1.getThenStep();
    assertSame(s1.getReactions().get(0).getEffect(), _lr1_eff_call.getStep());
    // check second local reaction
    If _lr2 = (If) _seq.getSteps().get(1);
    assertClass(LogicalAndExpression.class, _lr2.getCheck().getCondition());
    assertSame(s1.getReactions().get(1).getCheck().getCondition(), _lr2.getCheck().getCondition());
    Call _lr2_eff_call = (Call) _lr2.getThenStep();
    assertSame(s1.getReactions().get(1).getEffect(), _lr2_eff_call.getStep());
    // check the third local reaction
    If _lr3 = (If) _seq.getSteps().get(2);
    assertClass(LogicalRelationExpression.class, _lr3.getCheck().getCondition());
    assertSame(s1.getReactions().get(2).getCheck().getCondition(), _lr3.getCheck().getCondition());
    Call _lr3_eff_call = (Call) _lr3.getThenStep();
    assertSame(s1.getReactions().get(2).getEffect(), _lr3_eff_call.getStep());
}

Example 13 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class SCTResourceTest method testParsingOnLoad.

@Test
public void testParsingOnLoad() throws Exception {
    File tmpFile = File.createTempFile("SCTResource", "test.test");
    tmpFile.deleteOnExit();
    URI uri = URI.createFileURI(tmpFile.getPath().toString());
    Resource resource = new XMIResourceImpl(uri);
    Statechart statechart = createStatechart("internal: event Event1");
    resource.getContents().add(statechart);
    Transition transition = createTransition("Event1 [true] / 3 * 3");
    resource.getContents().add(transition);
    resource.save(Collections.EMPTY_MAP);
    res.setURI(uri);
    res.load(Collections.EMPTY_MAP);
    statechart = (Statechart) res.getContents().get(0);
    transition = (Transition) res.getContents().get(1);
    assertEquals("" + res.getErrors(), 0, res.getErrors().size());
    ReactionTrigger trigger = (ReactionTrigger) transition.getTrigger();
    RegularEventSpec eventSpec = (RegularEventSpec) trigger.getTriggers().get(0);
    ElementReferenceExpression expression = (ElementReferenceExpression) eventSpec.getEvent();
    EventDefinition reference = (EventDefinition) expression.getReference();
    assertNotNull(reference);
    assertEquals("Event1", reference.getName());
}

Example 14 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class ModelSequencerStateReactionTest method testSingleTransitionTimeTrigger.

/**
 * If a time trigger is defined for a transition then an event must be
 * introduced into the execution flow.
 */
@SuppressWarnings("unused")
@Test
public void testSingleTransitionTimeTrigger() {
    Statechart sc = _createStatechart("test");
    Scope scope = _createInterfaceScope("interface", sc);
    VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, scope);
    Region r = _createRegion("main", sc);
    State s = _createState("s", r);
    Transition t = _createTransition(s, s);
    ReactionTrigger tr1 = _createReactionTrigger(t);
    _createTimeEventSpec(TimeEventType.AFTER, _createValue(1), TimeUnit.SECOND, tr1);
    AssignmentExpression assign = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), (ReactionEffect) t.getEffect());
    ExecutionFlow flow = sequencer.transform(sc);
    // assert definition of time event
    Scope timerScope = flow.getScopes().get(1);
    assertTrue(timerScope.getDeclarations().get(0) instanceof TimeEvent);
    TimeEvent te = (TimeEvent) timerScope.getDeclarations().get(0);
    // assert that the reaction check checks the time event
    assertEquals(1, flow.getStates().size());
    ExecutionState _s = flow.getStates().get(0);
    assertEquals(s.getName(), _s.getSimpleName());
    If _if = (If) SCTTestUtil.flattenSequenceStepsAsList(flow.getStates().get(0).getReactSequence()).get(0);
    ElementReferenceExpression _ere = (ElementReferenceExpression) _if.getCheck().getCondition();
    assertSame(te, _ere.getReference());
    // assert the scheduling of the time event during state entry
    assertNotNull(_s.getEntryAction());
    Sequence entryAction = (Sequence) _s.getEntryAction();
    ScheduleTimeEvent ste = (ScheduleTimeEvent) entryAction.getSteps().get(0);
    assertSame(te, ste.getTimeEvent());
    NumericalMultiplyDivideExpression multiply = (NumericalMultiplyDivideExpression) ste.getTimeValue();
    assertIntLiteral(1, ((PrimitiveValueExpression) multiply.getLeftOperand()).getValue());
    assertIntLiteral(1000, ((PrimitiveValueExpression) multiply.getRightOperand()).getValue());
    assertEquals(MultiplicativeOperator.MUL, multiply.getOperator());
    // assert the unscheduling of the time events during state exit
    assertNotNull(_s.getExitAction());
    Sequence exitAction = (Sequence) _s.getExitAction();
    UnscheduleTimeEvent ute = (UnscheduleTimeEvent) exitAction.getSteps().get(0);
    assertSame(te, ute.getTimeEvent());
}

Example 15 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class ModelSequencertDeclarationsTest method testTriggerEventDeclarationIntegrity.

/**
 * The event refs used in the trigger condition must refer to the event
 * declarations in the flow model and not the sc source model.
 */
@Test
public void testTriggerEventDeclarationIntegrity() {
    Statechart sc = _createStatechart("test");
    InterfaceScope s_scope = _createInterfaceScope("Interface", sc);
    EventDefinition e1 = _createEventDefinition("e1", s_scope);
    Region r = _createRegion("main", sc);
    State s1 = _createState("S1", r);
    State s2 = _createState("S2", r);
    Transition t = _createTransition(s1, s2);
    ReactionTrigger tr1 = _createReactionTrigger(t);
    _createRegularEventSpec(e1, tr1);
    ExecutionFlow flow = sequencer.transform(sc);
    EventDefinition _e1 = (EventDefinition) flow.getScopes().get(0).getDeclarations().get(0);
    assertNotSame(e1, _e1);
    assertEquals(e1.getName(), _e1.getName());
    assertEquals(2, flow.getStates().size());
    assertEquals(s1.getName(), flow.getStates().get(0).getSimpleName());
    Step step = flow.getStates().get(0).getReactSequence().getSteps().get(0);
    If _if = (If) assertedSequence(assertedSequence(assertedSequence(step).getSteps().get(0)).getSteps().get(0)).getSteps().get(0);
    ElementReferenceExpression _ere = (ElementReferenceExpression) _if.getCheck().getCondition();
    assertSame(_e1, _ere.getReference());
}