Examples with DmnDecisionEvaluationListener org.camunda.bpm.dmn.engine.delegate.DmnDecisionEvaluationListener used on opensource projects

Example 1 with DmnDecisionEvaluationListener

use of org.camunda.bpm.dmn.engine.delegate.DmnDecisionEvaluationListener in project camunda-engine-dmn by camunda.

the class DefaultDmnEngineConfigurationApiTest method shouldBeFluentConfigurable.

@Test
public void shouldBeFluentConfigurable() {
    DefaultEngineMetricCollector metricCollector = new DefaultEngineMetricCollector();
    ArrayList<DmnDecisionTableEvaluationListener> preListeners = new ArrayList<DmnDecisionTableEvaluationListener>();
    preListeners.add(new DefaultEngineMetricCollector());
    ArrayList<DmnDecisionTableEvaluationListener> postListeners = new ArrayList<DmnDecisionTableEvaluationListener>();
    preListeners.add(new DefaultEngineMetricCollector());
    ArrayList<DmnDecisionEvaluationListener> preDecisionListeners = new ArrayList<DmnDecisionEvaluationListener>();
    preDecisionListeners.add(new TestDecisionEvaluationListener());
    ArrayList<DmnDecisionEvaluationListener> postDecisionListeners = new ArrayList<DmnDecisionEvaluationListener>();
    postDecisionListeners.add(new TestDecisionEvaluationListener());
    DefaultScriptEngineResolver scriptEngineResolver = new DefaultScriptEngineResolver();
    ElProvider elProvider = new JuelElProvider();
    FeelEngineFactory feelEngineFactory = new FeelEngineFactoryImpl();
    DmnTransformer transformer = new DefaultDmnTransformer();
    DmnEngine engine = configuration.engineMetricCollector(metricCollector).customPreDecisionTableEvaluationListeners(preListeners).customPostDecisionTableEvaluationListeners(postListeners).customPreDecisionEvaluationListeners(preDecisionListeners).customPostDecisionEvaluationListeners(postDecisionListeners).scriptEngineResolver(scriptEngineResolver).elProvider(elProvider).feelEngineFactory(feelEngineFactory).defaultInputExpressionExpressionLanguage("camunda").defaultInputEntryExpressionLanguage("camunda").defaultOutputEntryExpressionLanguage("camunda").transformer(transformer).buildEngine();
    configuration = (DefaultDmnEngineConfiguration) engine.getConfiguration();
    assertThat(configuration.getEngineMetricCollector()).isEqualTo(metricCollector);
    assertThat(configuration.getCustomPreDecisionTableEvaluationListeners()).containsExactlyElementsOf(preListeners);
    assertThat(configuration.getCustomPostDecisionTableEvaluationListeners()).containsExactlyElementsOf(postListeners);
    assertThat(configuration.getCustomPreDecisionEvaluationListeners()).containsExactlyElementsOf(preDecisionListeners);
    assertThat(configuration.getCustomPostDecisionEvaluationListeners()).containsExactlyElementsOf(postDecisionListeners);
    assertThat(configuration.getScriptEngineResolver()).isEqualTo(scriptEngineResolver);
    assertThat(configuration.getElProvider()).isEqualTo(elProvider);
    assertThat(configuration.getFeelEngineFactory()).isEqualTo(feelEngineFactory);
    assertThat(configuration.getDefaultInputExpressionExpressionLanguage()).isEqualTo("camunda");
    assertThat(configuration.getDefaultInputEntryExpressionLanguage()).isEqualTo("camunda");
    assertThat(configuration.getDefaultOutputEntryExpressionLanguage()).isEqualTo("camunda");
    assertThat(configuration.getTransformer()).isEqualTo(transformer);
}

Example 2 with DmnDecisionEvaluationListener

use of org.camunda.bpm.dmn.engine.delegate.DmnDecisionEvaluationListener in project camunda-engine-dmn by camunda.

the class DmnEngineConfigurationApiTest method shouldBeFluentConfigurable.

@Test
public void shouldBeFluentConfigurable() {
    DefaultEngineMetricCollector metricCollector = new DefaultEngineMetricCollector();
    ArrayList<DmnDecisionTableEvaluationListener> preListeners = new ArrayList<DmnDecisionTableEvaluationListener>();
    preListeners.add(new DefaultEngineMetricCollector());
    ArrayList<DmnDecisionTableEvaluationListener> postListeners = new ArrayList<DmnDecisionTableEvaluationListener>();
    preListeners.add(new DefaultEngineMetricCollector());
    ArrayList<DmnDecisionEvaluationListener> preDecisionListeners = new ArrayList<DmnDecisionEvaluationListener>();
    preDecisionListeners.add(new TestDecisionEvaluationListener());
    ArrayList<DmnDecisionEvaluationListener> postDecisionListeners = new ArrayList<DmnDecisionEvaluationListener>();
    postDecisionListeners.add(new TestDecisionEvaluationListener());
    DmnEngine engine = DmnEngineConfiguration.createDefaultDmnEngineConfiguration().engineMetricCollector(metricCollector).customPreDecisionTableEvaluationListeners(preListeners).customPostDecisionTableEvaluationListeners(postListeners).customPreDecisionEvaluationListeners(preDecisionListeners).customPostDecisionEvaluationListeners(postDecisionListeners).buildEngine();
    DmnEngineConfiguration configuration = engine.getConfiguration();
    assertThat(configuration.getEngineMetricCollector()).isEqualTo(metricCollector);
    assertThat(configuration.getCustomPreDecisionTableEvaluationListeners()).containsExactlyElementsOf(preListeners);
    assertThat(configuration.getCustomPostDecisionTableEvaluationListeners()).containsExactlyElementsOf(postListeners);
    assertThat(configuration.getCustomPreDecisionEvaluationListeners()).containsExactlyElementsOf(preDecisionListeners);
    assertThat(configuration.getCustomPostDecisionEvaluationListeners()).containsExactlyElementsOf(postDecisionListeners);
}

Example 3 with DmnDecisionEvaluationListener

use of org.camunda.bpm.dmn.engine.delegate.DmnDecisionEvaluationListener in project camunda-engine-dmn by camunda.

the class DefaultDmnDecisionContext method generateDecisionEvaluationEvent.

protected void generateDecisionEvaluationEvent(List<DmnDecisionLogicEvaluationEvent> evaluatedEvents) {
    DmnDecisionLogicEvaluationEvent rootEvaluatedEvent = null;
    DmnDecisionEvaluationEventImpl decisionEvaluationEvent = new DmnDecisionEvaluationEventImpl();
    long executedDecisionElements = 0L;
    for (DmnDecisionLogicEvaluationEvent evaluatedEvent : evaluatedEvents) {
        executedDecisionElements += evaluatedEvent.getExecutedDecisionElements();
        rootEvaluatedEvent = evaluatedEvent;
    }
    decisionEvaluationEvent.setDecisionResult(rootEvaluatedEvent);
    decisionEvaluationEvent.setExecutedDecisionElements(executedDecisionElements);
    evaluatedEvents.remove(rootEvaluatedEvent);
    decisionEvaluationEvent.setRequiredDecisionResults(evaluatedEvents);
    for (DmnDecisionEvaluationListener evaluationListener : evaluationListeners) {
        evaluationListener.notify(decisionEvaluationEvent);
    }
}

Example 4 with DmnDecisionEvaluationListener

use of org.camunda.bpm.dmn.engine.delegate.DmnDecisionEvaluationListener in project camunda-bpm-platform by camunda.

the class DmnEngineConfigurationBuilder method build.

/**
 * Modify the given DMN engine configuration and return it.
 */
public DefaultDmnEngineConfiguration build() {
    List<DmnDecisionEvaluationListener> decisionEvaluationListeners = createCustomPostDecisionEvaluationListeners();
    dmnEngineConfiguration.setCustomPostDecisionEvaluationListeners(decisionEvaluationListeners);
    // override the decision table handler
    DmnTransformer dmnTransformer = dmnEngineConfiguration.getTransformer();
    dmnTransformer.getElementTransformHandlerRegistry().addHandler(Definitions.class, new DecisionRequirementsDefinitionTransformHandler());
    dmnTransformer.getElementTransformHandlerRegistry().addHandler(Decision.class, new DecisionDefinitionHandler());
    // do not override the script engine resolver if set
    if (dmnEngineConfiguration.getScriptEngineResolver() == null) {
        ensureNotNull("scriptEngineResolver", scriptEngineResolver);
        dmnEngineConfiguration.setScriptEngineResolver(scriptEngineResolver);
    }
    // do not override the el provider if set
    if (dmnEngineConfiguration.getElProvider() == null) {
        ensureNotNull("expressionManager", expressionManager);
        ProcessEngineElProvider elProvider = new ProcessEngineElProvider(expressionManager);
        dmnEngineConfiguration.setElProvider(elProvider);
    }
    return dmnEngineConfiguration;
}

Example 5 with DmnDecisionEvaluationListener

use of org.camunda.bpm.dmn.engine.delegate.DmnDecisionEvaluationListener in project camunda-bpm-platform by camunda.

the class DmnEngineConfigurationBuilder method createCustomPostDecisionEvaluationListeners.

protected List<DmnDecisionEvaluationListener> createCustomPostDecisionEvaluationListeners() {
    ensureNotNull("dmnHistoryEventProducer", dmnHistoryEventProducer);
    // note that the history level may be null - see CAM-5165
    HistoryDecisionEvaluationListener historyDecisionEvaluationListener = new HistoryDecisionEvaluationListener(dmnHistoryEventProducer, historyLevel);
    List<DmnDecisionEvaluationListener> customPostDecisionEvaluationListeners = dmnEngineConfiguration.getCustomPostDecisionEvaluationListeners();
    customPostDecisionEvaluationListeners.add(new MetricsDecisionEvaluationListener());
    customPostDecisionEvaluationListeners.add(historyDecisionEvaluationListener);
    return customPostDecisionEvaluationListeners;
}