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

Example 16 with Transformation

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

the class RuleSetNodeBuilder method build.

@Override
public void build(Process process, ProcessDescr processDescr, ProcessBuildContext context, Node node) {
    super.build(process, processDescr, context, node);
    WorkflowProcess wfProcess = (WorkflowProcess) process;
    Map<String, Object> parameters = new HashMap<String, Object>();
    parameters.put("imports", wfProcess.getImports());
    parameters.put("classloader", context.getConfiguration().getClassLoader());
    for (DataAssociation dataAssociation : ((RuleSetNode) node).getInAssociations()) {
        Transformation transformation = dataAssociation.getTransformation();
        if (transformation != null) {
            DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
            transformation.setCompiledExpression(transformer.compile(transformation.getExpression(), parameters));
        }
    }
    for (DataAssociation dataAssociation : ((RuleSetNode) node).getOutAssociations()) {
        Transformation transformation = dataAssociation.getTransformation();
        if (transformation != null) {
            DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
            transformation.setCompiledExpression(transformer.compile(transformation.getExpression(), parameters));
        }
    }
}

Example 17 with Transformation

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

the class StartNodeBuilder method build.

@Override
public void build(Process process, ProcessDescr processDescr, ProcessBuildContext context, Node node) {
    super.build(process, processDescr, context, node);
    Transformation transformation = (Transformation) node.getMetaData().get("Transformation");
    if (transformation != null) {
        WorkflowProcess wfProcess = (WorkflowProcess) process;
        Map<String, Object> parameters = new HashMap<String, Object>();
        parameters.put("imports", wfProcess.getImports());
        parameters.put("classloader", context.getConfiguration().getClassLoader());
        DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
        transformation.setCompiledExpression(transformer.compile(transformation.getExpression(), parameters));
    }
}

Example 18 with Transformation

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

the class BoundaryEventHandler method readDataOutputAssociation.

protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, EventNode eventNode) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    String from = subNode.getTextContent();
    // targetRef
    subNode = subNode.getNextSibling();
    String to = 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, dataOutputs.get(from));
        eventNode.setMetaData("Transformation", transformation);
        eventNode.setEventTransformer(new EventTransformerImpl(transformation));
    }
    eventNode.setVariableName(to);
}

Example 19 with Transformation

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

the class CallActivityHandler method readDataOutputAssociation.

protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, SubProcessNode subProcessNode, Map<String, String> dataOutputs) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    String from = subNode.getTextContent();
    // targetRef
    subNode = subNode.getNextSibling();
    String to = 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, from);
        subNode = subNode.getNextSibling();
    }
    subProcessNode.addOutMapping(dataOutputs.get(from), to, transformation);
}

Example 20 with Transformation

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

the class CallActivityHandler method readDataInputAssociation.

protected void readDataInputAssociation(org.w3c.dom.Node xmlNode, SubProcessNode subProcessNode, Map<String, String> dataInputs) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    if ("sourceRef".equals(subNode.getNodeName())) {
        String from = subNode.getTextContent();
        // targetRef
        subNode = subNode.getNextSibling();
        String to = 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);
            subNode = subNode.getNextSibling();
        }
        subProcessNode.addInMapping(dataInputs.get(to), from, transformation);
    } else {
        // targetRef
        String to = subNode.getTextContent();
        // assignment
        subNode = subNode.getNextSibling();
        if (subNode != null) {
            org.w3c.dom.Node subSubNode = subNode.getFirstChild();
            NodeList nl = subSubNode.getChildNodes();
            if (nl.getLength() > 1) {
                // not supported ?
                subProcessNode.addInMapping(dataInputs.get(to), subSubNode.getTextContent());
                return;
            } else if (nl.getLength() == 0) {
                return;
            }
            Object result = null;
            Object from = nl.item(0);
            if (from instanceof Text) {
                result = ((Text) from).getTextContent();
            } else {
                result = nl.item(0);
            }
            subProcessNode.addInMapping(dataInputs.get(to), result.toString());
        }
    }
}