Examples with Transformation org.jbpm.workflow.core.node.Transformation used on opensource projects

Example 21 with Transformation

use of org.jbpm.workflow.core.node.Transformation in project jbpm by kiegroup.

the class StartEventHandler method readDataOutputAssociation.

protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, StartNode startNode) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    if (!"sourceRef".equals(subNode.getNodeName())) {
        throw new IllegalArgumentException("No sourceRef found in dataOutputAssociation in startEvent");
    }
    String source = subNode.getTextContent();
    if (dataOutputs.get(source) == null) {
        throw new IllegalArgumentException("No dataOutput could be found for the dataOutputAssociation.");
    }
    // targetRef
    subNode = subNode.getNextSibling();
    if (!"targetRef".equals(subNode.getNodeName())) {
        throw new IllegalArgumentException("No targetRef found in dataOutputAssociation in startEvent");
    }
    String target = subNode.getTextContent();
    startNode.setMetaData("TriggerMapping", target);
    // transformation
    Transformation transformation = null;
    subNode = subNode.getNextSibling();
    if (subNode != null && "transformation".equals(subNode.getNodeName())) {
        String lang = subNode.getAttributes().getNamedItem("language").getNodeValue();
        String expression = subNode.getTextContent();
        DataTransformer transformer = transformerRegistry.find(lang);
        if (transformer == null) {
            throw new IllegalArgumentException("No transformer registered for language " + lang);
        }
        transformation = new Transformation(lang, expression, dataOutputs.get(source));
        startNode.setMetaData("Transformation", transformation);
        startNode.setEventTransformer(new EventTransformerImpl(transformation));
        subNode = subNode.getNextSibling();
    }
    if (subNode != null) {
        // no support for assignments
        throw new UnsupportedOperationException(subNode.getNodeName() + " elements in dataOutputAssociations are not yet supported.");
    }
    startNode.addOutMapping(target, dataOutputs.get(source));
}

Example 22 with Transformation

use of org.jbpm.workflow.core.node.Transformation in project jbpm by kiegroup.

the class TaskHandler method readDataOutputAssociation.

protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, WorkItemNode workItemNode, Map<String, String> dataOutputs) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    String source = subNode.getTextContent();
    // targetRef
    subNode = subNode.getNextSibling();
    String target = subNode.getTextContent();
    // transformation
    Transformation transformation = null;
    subNode = subNode.getNextSibling();
    if (subNode != null && "transformation".equals(subNode.getNodeName())) {
        String lang = subNode.getAttributes().getNamedItem("language").getNodeValue();
        String expression = subNode.getTextContent();
        DataTransformer transformer = transformerRegistry.find(lang);
        if (transformer == null) {
            throw new IllegalArgumentException("No transformer registered for language " + lang);
        }
        transformation = new Transformation(lang, expression, source);
        // transformation.setCompiledExpression(transformer.compile(expression));
        subNode = subNode.getNextSibling();
    }
    // assignments
    List<Assignment> assignments = new LinkedList<Assignment>();
    while (subNode != null) {
        org.w3c.dom.Node ssubNode = subNode.getFirstChild();
        String from = ssubNode.getTextContent();
        String to = ssubNode.getNextSibling().getTextContent();
        assignments.add(new Assignment("XPath", from, to));
        subNode = subNode.getNextSibling();
    }
    workItemNode.addOutAssociation(new DataAssociation(dataOutputs.get(source), target, assignments, transformation));
}