Examples with Expression org.jbpm.bpmn2.core.Expression used on opensource projects

Example 6 with Expression

use of org.jbpm.bpmn2.core.Expression in project jbpm by kiegroup.

the class AdHocSubProcessHandler method handleNode.

@SuppressWarnings("unchecked")
protected void handleNode(final Node node, final Element element, final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    super.handleNode(node, element, uri, localName, parser);
    DynamicNode dynamicNode = (DynamicNode) node;
    String cancelRemainingInstances = element.getAttribute("cancelRemainingInstances");
    if ("false".equals(cancelRemainingInstances)) {
        dynamicNode.setCancelRemainingInstances(false);
    }
    // by default it should not autocomplete as it's adhoc
    dynamicNode.setAutoComplete(false);
    dynamicNode.setActivationExpression((String) dynamicNode.getMetaData("customActivationCondition"));
    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
        String nodeName = xmlNode.getNodeName();
        if ("completionCondition".equals(nodeName)) {
            String expression = xmlNode.getTextContent();
            if (AUTOCOMPLETE_EXPRESSIONS.contains(expression)) {
                dynamicNode.setAutoComplete(true);
            } else {
                dynamicNode.setCompletionExpression(expression == null ? "" : expression);
            }
            org.w3c.dom.Node languageNode = xmlNode.getAttributes().getNamedItem("language");
            if (languageNode != null) {
                String language = languageNode.getNodeValue();
                if (XmlBPMNProcessDumper.MVEL_LANGUAGE.equals(language)) {
                    dynamicNode.setLanguage("mvel");
                } else if (XmlBPMNProcessDumper.RULE_LANGUAGE.equals(language)) {
                    dynamicNode.setLanguage("rule");
                } else {
                    throw new IllegalArgumentException("Unknown language " + language);
                }
            } else {
                dynamicNode.setLanguage("mvel");
            }
        }
        xmlNode = xmlNode.getNextSibling();
    }
    List<SequenceFlow> connections = (List<SequenceFlow>) dynamicNode.getMetaData(ProcessHandler.CONNECTIONS);
    ProcessHandler.linkConnections(dynamicNode, connections);
    ProcessHandler.linkBoundaryEvents(dynamicNode);
    handleScript(dynamicNode, element, "onEntry");
    handleScript(dynamicNode, element, "onExit");
}

Example 7 with Expression

use of org.jbpm.bpmn2.core.Expression in project kogito-runtimes by kiegroup.

the class AdHocSubProcessHandler method handleNode.

@SuppressWarnings("unchecked")
@Override
protected Node handleNode(final Node node, final Element element, final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    super.handleNode(node, element, uri, localName, parser);
    DynamicNode dynamicNode = (DynamicNode) node;
    String cancelRemainingInstances = element.getAttribute("cancelRemainingInstances");
    if ("false".equals(cancelRemainingInstances)) {
        dynamicNode.setCancelRemainingInstances(false);
    }
    // by default it should not autocomplete as it's adhoc
    org.w3c.dom.Node xmlNode = element.getFirstChild();
    dynamicNode.setActivationCondition((String) node.getMetaData().get(CUSTOM_ACTIVATION_CONDITION));
    while (xmlNode != null) {
        String nodeName = xmlNode.getNodeName();
        if (COMPLETION_CONDITION.equals(nodeName)) {
            String expression = xmlNode.getTextContent();
            if (AUTOCOMPLETE_EXPRESSIONS.contains(expression)) {
                dynamicNode.setAutoComplete(true);
            } else {
                dynamicNode.setCompletionCondition(expression);
            }
        }
        xmlNode = xmlNode.getNextSibling();
    }
    List<SequenceFlow> connections = (List<SequenceFlow>) dynamicNode.getMetaData(ProcessHandler.CONNECTIONS);
    ProcessHandler.linkConnections(dynamicNode, connections);
    ProcessHandler.linkBoundaryEvents(dynamicNode);
    handleScript(dynamicNode, element, "onEntry");
    handleScript(dynamicNode, element, "onExit");
    return node;
}

Example 8 with Expression

use of org.jbpm.bpmn2.core.Expression in project jbpm by kiegroup.

the class SequenceFlowHandler method end.

public Object end(final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    final Element element = parser.endElementBuilder();
    SequenceFlow sequenceFlow = (SequenceFlow) parser.getCurrent();
    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
        String nodeName = xmlNode.getNodeName();
        if ("conditionExpression".equals(nodeName)) {
            String expression = xmlNode.getTextContent();
            org.w3c.dom.Node languageNode = xmlNode.getAttributes().getNamedItem("language");
            if (languageNode != null) {
                String language = languageNode.getNodeValue();
                if (XmlBPMNProcessDumper.JAVA_LANGUAGE.equals(language)) {
                    sequenceFlow.setLanguage("java");
                } else if (XmlBPMNProcessDumper.MVEL_LANGUAGE.equals(language)) {
                    sequenceFlow.setLanguage("mvel");
                } else if (XmlBPMNProcessDumper.RULE_LANGUAGE.equals(language)) {
                    sequenceFlow.setType("rule");
                } else if (XmlBPMNProcessDumper.XPATH_LANGUAGE.equals(language)) {
                    sequenceFlow.setLanguage("XPath");
                } else if (XmlBPMNProcessDumper.JAVASCRIPT_LANGUAGE.equals(language)) {
                    sequenceFlow.setLanguage("JavaScript");
                } else if (XmlBPMNProcessDumper.FEEL_LANGUAGE.equals(language)) {
                    sequenceFlow.setLanguage("FEEL");
                } else {
                    throw new IllegalArgumentException("Unknown language " + language);
                }
            }
            sequenceFlow.setExpression(expression);
        }
        xmlNode = xmlNode.getNextSibling();
    }
    return sequenceFlow;
}

Example 9 with Expression

use of org.jbpm.bpmn2.core.Expression in project jbpm by kiegroup.

the class AbstractNodeHandler method readMultiInstanceLoopCharacteristics.

@SuppressWarnings("unchecked")
protected void readMultiInstanceLoopCharacteristics(org.w3c.dom.Node xmlNode, ForEachNode forEachNode, ExtensibleXmlParser parser) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    while (subNode != null) {
        String nodeName = subNode.getNodeName();
        if ("inputDataItem".equals(nodeName)) {
            String variableName = ((Element) subNode).getAttribute("id");
            String itemSubjectRef = ((Element) subNode).getAttribute("itemSubjectRef");
            DataType dataType = null;
            Map<String, ItemDefinition> itemDefinitions = (Map<String, ItemDefinition>) ((ProcessBuildData) parser.getData()).getMetaData("ItemDefinitions");
            dataType = getDataType(itemSubjectRef, itemDefinitions, parser.getClassLoader());
            if (variableName != null && variableName.trim().length() > 0) {
                forEachNode.setVariable(variableName, dataType);
            }
        } else if ("outputDataItem".equals(nodeName)) {
            String variableName = ((Element) subNode).getAttribute("id");
            String itemSubjectRef = ((Element) subNode).getAttribute("itemSubjectRef");
            DataType dataType = null;
            Map<String, ItemDefinition> itemDefinitions = (Map<String, ItemDefinition>) ((ProcessBuildData) parser.getData()).getMetaData("ItemDefinitions");
            dataType = getDataType(itemSubjectRef, itemDefinitions, parser.getClassLoader());
            if (variableName != null && variableName.trim().length() > 0) {
                forEachNode.setOutputVariable(variableName, dataType);
            }
        } else if ("loopDataOutputRef".equals(nodeName)) {
            String outputDataRef = ((Element) subNode).getTextContent();
            if (outputDataRef != null && outputDataRef.trim().length() > 0) {
                String collectionName = outputAssociation.get(outputDataRef);
                if (collectionName == null) {
                    collectionName = dataOutputs.get(outputDataRef);
                }
                forEachNode.setOutputCollectionExpression(collectionName);
            }
            forEachNode.setMetaData("MICollectionOutput", outputDataRef);
        } else if ("loopDataInputRef".equals(nodeName)) {
            String inputDataRef = ((Element) subNode).getTextContent();
            if (inputDataRef != null && inputDataRef.trim().length() > 0) {
                String collectionName = inputAssociation.get(inputDataRef);
                if (collectionName == null) {
                    collectionName = dataInputs.get(inputDataRef);
                }
                forEachNode.setCollectionExpression(collectionName);
            }
            forEachNode.setMetaData("MICollectionInput", inputDataRef);
        } else if ("completionCondition".equals(nodeName)) {
            String expression = subNode.getTextContent();
            forEachNode.setCompletionConditionExpression(expression);
        }
        subNode = subNode.getNextSibling();
    }
}

Example 10 with Expression

use of org.jbpm.bpmn2.core.Expression in project kogito-runtimes by kiegroup.

the class ProcessHandler method postProcessCollaborations.

private void postProcessCollaborations(RuleFlowProcess process, ExtensibleXmlParser parser) {
    // now we wire correlation process subscriptions
    CorrelationManager correlationManager = process.getCorrelationManager();
    for (Message message : HandlerUtil.messages(parser).values()) {
        correlationManager.newMessage(message.getId(), message.getName(), message.getType());
    }
    // only the ones this process is member of
    List<Collaboration> collaborations = HandlerUtil.collaborations(parser).values().stream().filter(c -> c.getProcessesRef().contains(process.getId())).collect(Collectors.toList());
    for (Collaboration collaboration : collaborations) {
        for (CorrelationKey key : collaboration.getCorrelationKeys()) {
            correlationManager.newCorrelation(key.getId(), key.getName());
            List<CorrelationProperty> properties = key.getPropertiesRef().stream().map(k -> HandlerUtil.correlationProperties(parser).get(k)).collect(Collectors.toList());
            for (CorrelationProperty correlationProperty : properties) {
                correlationProperty.getMessageRefs().forEach(messageRef -> {
                    // for now only MVEL expressions
                    MVELMessageExpressionEvaluator evaluator = new MVELMessageExpressionEvaluator(correlationProperty.getRetrievalExpression(messageRef).getScript());
                    correlationManager.addMessagePropertyExpression(key.getId(), messageRef, correlationProperty.getId(), evaluator);
                });
            }
        }
    }
    // we create the correlations
    for (CorrelationSubscription subscription : HandlerUtil.correlationSubscription(process).values()) {
        correlationManager.subscribeTo(subscription.getCorrelationKeyRef());
        for (Map.Entry<String, Expression> binding : subscription.getPropertyExpressions().entrySet()) {
            MVELMessageExpressionEvaluator evaluator = new MVELMessageExpressionEvaluator(binding.getValue().getScript());
            correlationManager.addProcessSubscriptionPropertyExpression(subscription.getCorrelationKeyRef(), binding.getKey(), evaluator);
        }
    }
}