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

Example 6 with AssignmentExpression

use of org.yakindu.base.expressions.expressions.AssignmentExpression 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 7 with AssignmentExpression

use of org.yakindu.base.expressions.expressions.AssignmentExpression 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 8 with AssignmentExpression

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

the class ModelSequencerStateTest method testFinalState.

/**
 * A final state must be transformed into a execution state with name
 * '_final_'. and must include parent reactions.
 */
@SuppressWarnings("unused")
@Test
public void testFinalState() {
    Statechart sc = _createStatechart("sc");
    {
        InterfaceScope s_scope = _createInterfaceScope("Interface", sc);
        VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, s_scope);
        EventDefinition e1 = _createEventDefinition("e1", s_scope);
        Region r = _createRegion("r", sc);
        {
            State s1 = _createState("s1", r);
            {
                // a local reaction: "e1 / x=42;"
                LocalReaction lr1 = _createLocalReaction(s1, null);
                _createRegularEventSpec(e1, (ReactionTrigger) lr1.getTrigger());
                ReactionEffect lr1_eff = _createReactionEffect(lr1);
                AssignmentExpression assign1 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr1_eff);
                Region r_s1 = _createRegion("r", s1);
                {
                    State s3 = _createState("s3", r_s1);
                    {
                        _createEntryAssignment(v1, s3, 2);
                        Region r_s3 = _createRegion("r", s3);
                        {
                            State s4 = _createState("s4", r_s3);
                            // _createEntryAssignment(v1, s4, 3);
                            FinalState fs = _createFinalState(r_s3);
                            Transition t_s4_fs = _createTransition(findState(sc, "s4"), fs);
                            _createReactionTrigger(t_s4_fs);
                            _createRegularEventSpec(e1, (ReactionTrigger) t_s4_fs.getTrigger());
                        }
                    }
                }
            }
            State s2 = _createState("s2", r);
            {
                Region r_s1 = _createRegion("r", s2);
                {
                    _createState("s6", r_s1);
                }
            }
        }
        Transition t_s3_s6 = _createTransition(findState(sc, "s3"), findState(sc, "s6"));
        _createReactionTrigger(t_s3_s6);
        _createRegularEventSpec(e1, (ReactionTrigger) t_s3_s6.getTrigger());
    }
    ExecutionFlow flow = sequencer.transform(sc);
    ExecutionState _s1 = flow.getStates().get(0);
    assertEquals("sc.r.s1", _s1.getName());
    ExecutionState _s3 = flow.getStates().get(1);
    assertEquals("sc.r.s1.r.s3", _s3.getName());
    ExecutionState _s4 = flow.getStates().get(2);
    assertEquals("sc.r.s1.r.s3.r.s4", _s4.getName());
    ExecutionState _fs = flow.getStates().get(3);
    assertEquals("sc.r.s1.r.s3.r._final_", _fs.getName());
    ExecutionState _s6 = flow.getStates().get(5);
    assertEquals("sc.r.s2.r.s6", _s6.getName());
    assertNull(_fs.getEntryAction());
    assertNull(_fs.getExitAction());
    Sequence cycle = _fs.getReactSequence();
    Sequence _seq = (Sequence) cycle.getSteps().get(0);
    // first entry is the s1 local reaction
    List<Step> steps = SCTTestUtil.flattenSequenceStepsAsList(_seq);
    If _if = (If) steps.get(0);
    assertCall(_if.getThenStep(), _s1.getReactions().get(0).getEffect());
    // second entry is the s3 cycle with the transition reaction
    _if = (If) steps.get(1);
    assertCall(_if.getThenStep(), _s3.getReactions().get(0).getEffect());
    assertTrue(_s3.getReactions().get(0).isTransition());
    assertNotNull(_if.getElseStep());
}

Example 9 with AssignmentExpression

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

the class ModelSequencerStateTest method testStateCycle_WithParent.

/**
 * The state cycle must contain all reactions of parent states.
 */
@SuppressWarnings("unused")
@Test
public void testStateCycle_WithParent() {
    Statechart sc = _createStatechart("sc");
    {
        InterfaceScope s_scope = _createInterfaceScope("Interface", sc);
        VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, s_scope);
        EventDefinition e1 = _createEventDefinition("e1", s_scope);
        Region r = _createRegion("r", sc);
        {
            State s1 = _createState("s1", r);
            {
                // a local reaction: "e1 / x=42;"
                LocalReaction lr1 = _createLocalReaction(s1, null);
                _createRegularEventSpec(e1, (ReactionTrigger) lr1.getTrigger());
                ReactionEffect lr1_eff = _createReactionEffect(lr1);
                AssignmentExpression assign1 = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), lr1_eff);
                Region r_s1 = _createRegion("r", s1);
                {
                    State s3 = _createState("s3", r_s1);
                    {
                        _createEntryAssignment(v1, s3, 2);
                        Region r_s3 = _createRegion("r", s3);
                        {
                            State s4 = _createState("s4", r_s3);
                            _createEntryAssignment(v1, s4, 3);
                            State s5 = _createState("s5", r_s3);
                        }
                    }
                }
            }
            State s2 = _createState("s2", r);
            {
                Region r_s1 = _createRegion("r", s2);
                {
                    _createState("s6", r_s1);
                }
            }
        }
        Transition t_s4_s5 = _createTransition(findState(sc, "s4"), findState(sc, "s5"));
        _createReactionTrigger(t_s4_s5);
        _createRegularEventSpec(e1, (ReactionTrigger) t_s4_s5.getTrigger());
        Transition t_s3_s6 = _createTransition(findState(sc, "s3"), findState(sc, "s6"));
        _createReactionTrigger(t_s3_s6);
        _createRegularEventSpec(e1, (ReactionTrigger) t_s3_s6.getTrigger());
    }
    ExecutionFlow flow = sequencer.transform(sc);
    ExecutionState _s1 = flow.getStates().get(0);
    assertEquals("sc.r.s1", _s1.getName());
    ExecutionState _s3 = flow.getStates().get(1);
    assertEquals("sc.r.s1.r.s3", _s3.getName());
    ExecutionState _s4 = flow.getStates().get(2);
    assertEquals("sc.r.s1.r.s3.r.s4", _s4.getName());
    ExecutionState _s6 = flow.getStates().get(5);
    assertEquals("sc.r.s2.r.s6", _s6.getName());
    Sequence cycle = _s4.getReactSequence();
    Sequence _seq = (Sequence) cycle.getSteps().get(0);
    // first entry is the s1 local reaction
    List<Step> steps = SCTTestUtil.flattenSequenceStepsAsList(_seq);
    If _if = (If) steps.get(0);
    assertCall(_if.getThenStep(), _s1.getReactions().get(0).getEffect());
    // second entry is the s3 cycle with the transition reaction
    _if = (If) steps.get(1);
    assertCall(_if.getThenStep(), _s3.getReactions().get(0).getEffect());
    assertTrue(_s3.getReactions().get(0).isTransition());
    // third is the s4 cycle with the transition reaction
    _seq = (Sequence) _if.getElseStep();
    cycle = (Sequence) _seq.getSteps().get(0);
    _if = (If) assertedSequence(cycle.getSteps().get(0)).getSteps().get(0);
    assertCall(_if.getThenStep(), _s4.getReactions().get(0).getEffect());
    assertTrue(_s4.getReactions().get(0).isTransition());
    assertTrue(assertedSequence(assertedSequence(_if.getElseStep()).getSteps().get(0)).getSteps().isEmpty());
    assertEquals(1, cycle.getSteps().size());
}

Example 10 with AssignmentExpression

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

the class ModelSequencerStateTest method testStateReaction_WithTransitionAction.

/**
 * The transition action must be part of the reaction effect sequence
 */
@Test
public void testStateReaction_WithTransitionAction() {
    SimpleFlatTSC tsc = new SimpleFlatTSC();
    VariableDefinition v1 = _createVariableDefinition("v1", TYPE_INTEGER, tsc.s_scope);
    ReactionEffect effect = _createReactionEffect(tsc.t1);
    AssignmentExpression assign = _createVariableAssignment(v1, AssignmentOperator.ASSIGN, _createValue(42), effect);
    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(1, s1.getReactions().size());
    Reaction reaction = s1.getReactions().get(0);
    assertNotNull(reaction.getCheck());
    assertNotNull(reaction.getEffect());
    Sequence seq = (Sequence) reaction.getEffect();
    assertCall(seq, 0, s1.getExitSequence());
    assertClass(Sequence.class, seq.getSteps().get(1));
    Execution _exec = (Execution) ((Sequence) seq.getSteps().get(1)).getSteps().get(0);
    AssignmentExpression _assign = (AssignmentExpression) _exec.getStatement();
    assertNotSame(_assign, assign);
    assertNotSame(_assign.getVarRef(), assign.getVarRef());
    assertNotSame(_assign.getVarRef(), v1);
    assertCall(seq, 2, s2.getEnterSequences().get(0));
}