Examples with Expression org.eclipse.bpmn2.Expression used on opensource projects

Example 31 with Expression

use of org.eclipse.bpmn2.Expression in project newts by OpenNMS.

the class ResultDescriptor method expression.

public ResultDescriptor expression(String label, String expression) {
    final JexlEngine je = new JexlEngine();
    final Expression expr = je.createExpression(expression);
    final String[] labels = getLabels().toArray(new String[0]);
    CalculationFunction evaluate = new CalculationFunction() {

        private static final long serialVersionUID = -3328049421398096252L;

        @Override
        public double apply(double... ds) {
            JexlContext jc = new MapContext();
            for (int i = 0; i < labels.length; i++) {
                jc.set(labels[i], ds[i]);
            }
            return ((Number) expr.evaluate(jc)).doubleValue();
        }
    };
    return calculate(label, evaluate, labels);
}

Example 32 with Expression

use of org.eclipse.bpmn2.Expression in project jmeter by apache.

the class Jexl2Function method execute.

/** {@inheritDoc} */
@Override
public String execute(SampleResult previousResult, Sampler currentSampler) throws InvalidVariableException {
    //$NON-NLS-1$
    String str = "";
    CompoundVariable var = (CompoundVariable) values[0];
    String exp = var.execute();
    //$NON-NLS-1$
    String varName = "";
    if (values.length > 1) {
        varName = ((CompoundVariable) values[1]).execute().trim();
    }
    JMeterContext jmctx = JMeterContextService.getContext();
    JMeterVariables vars = jmctx.getVariables();
    try {
        JexlContext jc = new MapContext();
        //$NON-NLS-1$
        jc.set("log", log);
        //$NON-NLS-1$
        jc.set("ctx", jmctx);
        //$NON-NLS-1$
        jc.set("vars", vars);
        //$NON-NLS-1$
        jc.set("props", JMeterUtils.getJMeterProperties());
        // Previously mis-spelt as theadName
        //$NON-NLS-1$
        jc.set("threadName", Thread.currentThread().getName());
        //$NON-NLS-1$ (may be null)
        jc.set("sampler", currentSampler);
        //$NON-NLS-1$ (may be null)
        jc.set("sampleResult", previousResult);
        //$NON-NLS-1$
        jc.set("OUT", System.out);
        // Now evaluate the script, getting the result
        Expression e = getJexlEngine().createExpression(exp);
        Object o = e.evaluate(jc);
        if (o != null) {
            str = o.toString();
        }
        if (vars != null && varName.length() > 0) {
            // vars will be null on TestPlan
            vars.put(varName, str);
        }
    } catch (Exception e) {
        log.error("An error occurred while evaluating the expression \"" + exp + "\"\n", e);
    }
    return str;
}

Example 33 with Expression

use of org.eclipse.bpmn2.Expression in project dhis2-core by dhis2.

the class ExpressionUtils method evaluate.

/**
     * @param expression the expression.
     * @param vars the variables, can be null.
     * @param strict indicates whether to use strict or lenient engine mode.
     * @return the result of the evaluation.
     */
private static Object evaluate(String expression, Map<String, Object> vars, boolean strict) {
    expression = expression.replaceAll(IGNORED_KEYWORDS_REGEX, StringUtils.EMPTY);
    JexlEngine engine = strict ? JEXL_STRICT : JEXL;
    Expression exp = engine.createExpression(expression);
    JexlContext context = vars != null ? new MapContext(vars) : new MapContext();
    return exp.evaluate(context);
}

Example 34 with Expression

use of org.eclipse.bpmn2.Expression in project kie-wb-common by kiegroup.

the class Bpmn2JsonMarshaller method marshallSequenceFlow.

protected void marshallSequenceFlow(SequenceFlow sequenceFlow, BPMNPlane plane, JsonGenerator generator, float xOffset, float yOffset) throws JsonGenerationException, IOException {
    // dont marshal "dangling" sequence flow..better to just omit than fail
    if (sequenceFlow.getSourceRef() == null || sequenceFlow.getTargetRef() == null) {
        return;
    }
    Map<String, Object> properties = new LinkedHashMap<String, Object>();
    // check null for sequence flow name
    if (sequenceFlow.getName() != null && !"".equals(sequenceFlow.getName())) {
        properties.put(NAME, StringEscapeUtils.unescapeXml(sequenceFlow.getName()));
    } else {
        properties.put(NAME, "");
    }
    // overwrite name if elementname extension element is present
    String elementName = Utils.getMetaDataValue(sequenceFlow.getExtensionValues(), "elementname");
    if (elementName != null) {
        properties.put(NAME, elementName);
    }
    putDocumentationProperty(sequenceFlow, properties);
    if (sequenceFlow.isIsImmediate()) {
        properties.put(ISIMMEDIATE, "true");
    } else {
        properties.put(ISIMMEDIATE, "false");
    }
    Expression conditionExpression = sequenceFlow.getConditionExpression();
    if (conditionExpression instanceof FormalExpression) {
        setConditionExpressionProperties((FormalExpression) conditionExpression, properties, "mvel");
    }
    boolean foundBgColor = false;
    boolean foundBrColor = false;
    boolean foundFontColor = false;
    boolean foundSelectable = false;
    Iterator<FeatureMap.Entry> iter = sequenceFlow.getAnyAttribute().iterator();
    while (iter.hasNext()) {
        FeatureMap.Entry entry = iter.next();
        if (entry.getEStructuralFeature().getName().equals("priority")) {
            String priorityStr = String.valueOf(entry.getValue());
            if (priorityStr != null) {
                try {
                    Integer priorityInt = Integer.parseInt(priorityStr);
                    if (priorityInt >= 1) {
                        properties.put(PRIORITY, entry.getValue());
                    } else {
                        _logger.error("Priority must be equal or greater than 1.");
                    }
                } catch (NumberFormatException e) {
                    _logger.error("Priority must be a number.");
                }
            }
        }
        if (entry.getEStructuralFeature().getName().equals("background-color") || entry.getEStructuralFeature().getName().equals("bgcolor")) {
            properties.put(BGCOLOR, entry.getValue());
            foundBgColor = true;
        }
        if (entry.getEStructuralFeature().getName().equals("border-color") || entry.getEStructuralFeature().getName().equals("bordercolor")) {
            properties.put(BORDERCOLOR, entry.getValue());
            foundBrColor = true;
        }
        if (entry.getEStructuralFeature().getName().equals("fontsize")) {
            properties.put(FONTSIZE, entry.getValue());
            foundBrColor = true;
        }
        if (entry.getEStructuralFeature().getName().equals("color") || entry.getEStructuralFeature().getName().equals("fontcolor")) {
            properties.put(FONTCOLOR, entry.getValue());
            foundFontColor = true;
        }
        if (entry.getEStructuralFeature().getName().equals("selectable")) {
            properties.put(ISSELECTABLE, entry.getValue());
            foundSelectable = true;
        }
    }
    if (!foundBgColor) {
        properties.put(BGCOLOR, defaultSequenceflowColor);
    }
    if (!foundBrColor) {
        properties.put(BORDERCOLOR, defaultSequenceflowColor);
    }
    if (!foundFontColor) {
        properties.put(FONTCOLOR, defaultSequenceflowColor);
    }
    if (!foundSelectable) {
        properties.put(ISSELECTABLE, "true");
    }
    // simulation properties
    setSimulationProperties(sequenceFlow.getId(), properties);
    // Custom attributes for Stunner's connectors - source/target auto connection flag.
    String sourcePropertyName = Bpmn2OryxManager.MAGNET_AUTO_CONNECTION + Bpmn2OryxManager.SOURCE;
    String sourceConnectorAuto = Utils.getMetaDataValue(sequenceFlow.getExtensionValues(), sourcePropertyName);
    if (sourceConnectorAuto != null && sourceConnectorAuto.trim().length() > 0) {
        properties.put(sourcePropertyName, sourceConnectorAuto);
    }
    String targetPropertyName = Bpmn2OryxManager.MAGNET_AUTO_CONNECTION + Bpmn2OryxManager.TARGET;
    String targetConnectorAuto = Utils.getMetaDataValue(sequenceFlow.getExtensionValues(), targetPropertyName);
    if (targetConnectorAuto != null && targetConnectorAuto.trim().length() > 0) {
        properties.put(targetPropertyName, targetConnectorAuto);
    }
    marshallProperties(properties, generator);
    generator.writeObjectFieldStart("stencil");
    generator.writeObjectField("id", "SequenceFlow");
    generator.writeEndObject();
    generator.writeArrayFieldStart("childShapes");
    generator.writeEndArray();
    generator.writeArrayFieldStart("outgoing");
    generator.writeStartObject();
    generator.writeObjectField("resourceId", sequenceFlow.getTargetRef().getId());
    generator.writeEndObject();
    generator.writeEndArray();
    Bounds sourceBounds = ((BPMNShape) findDiagramElement(plane, sequenceFlow.getSourceRef())).getBounds();
    Bounds targetBounds = ((BPMNShape) findDiagramElement(plane, sequenceFlow.getTargetRef())).getBounds();
    generator.writeArrayFieldStart("dockers");
    List<Point> waypoints = ((BPMNEdge) findDiagramElement(plane, sequenceFlow)).getWaypoint();
    if (waypoints.size() > 1) {
        Point waypoint = waypoints.get(0);
        writeWaypointObject(generator, waypoint.getX() - sourceBounds.getX(), waypoint.getY() - sourceBounds.getY());
    } else {
        writeWaypointObject(generator, sourceBounds.getWidth() / 2, sourceBounds.getHeight() / 2);
    }
    for (int i = 1; i < waypoints.size() - 1; i++) {
        Point waypoint = waypoints.get(i);
        writeWaypointObject(generator, waypoint.getX(), waypoint.getY());
    }
    if (waypoints.size() > 1) {
        Point waypoint = waypoints.get(waypoints.size() - 1);
        writeWaypointObject(generator, waypoint.getX() - targetBounds.getX(), waypoint.getY() - targetBounds.getY());
    } else {
        writeWaypointObject(generator, targetBounds.getWidth() / 2, targetBounds.getHeight() / 2);
    }
    generator.writeEndArray();
}

Example 35 with Expression

use of org.eclipse.bpmn2.Expression in project kie-wb-common by kiegroup.

the class ExpressionContainerUIModelMapper method fromDMNModel.

@Override
public void fromDMNModel(final int rowIndex, final int columnIndex) {
    final GridData uiModel = this.uiModel.get();
    final Optional<Expression> expression = dmnModel.get();
    final Optional<HasName> hasName = this.hasName.get();
    final HasExpression hasExpression = this.hasExpression.get();
    final Optional<ExpressionEditorDefinition<Expression>> expressionEditorDefinition = expressionEditorDefinitions.get().getExpressionEditorDefinition(expression);
    expressionEditorDefinition.ifPresent(definition -> {
        final Optional<BaseExpressionGrid> oEditor = definition.getEditor(parent, Optional.of(nodeUUID.get()), hasExpression, expression, hasName, 0);
        uiModel.setCell(0, 0, () -> new ContextGridCell<>(new ExpressionCellValue(oEditor), listSelector));
        final GridColumn<?> uiColumn = uiModel.getColumns().get(columnIndex);
        uiColumn.setWidth(uiColumn.getMinimumWidth());
    });
}