alfresco-community-repo/source/test-resources/jbpmresources/test_script.xml

<?xml version="1.0" encoding="UTF-8"?>

<process-definition xmlns="urn:jbpm.org:jpdl-3.1" name="test_script">
    <swimlane name="initiator"></swimlane>

    <start-state name="start">
        <task name="submit" swimlane="initiator">
            <event type="task-assign">
                <script>
                    System.out.println("taskInstance.create: " + taskInstance.create);
                    System.out.println("taskInstance.description: " + taskInstance.description);
                </script>
            </event>
            <controller>
                <variable name="testNode" access="write,required" />
                <variable name="bpm_workflowDescription" access="write" />
            </controller>
        </task>
        <transition name="" to="doit" />
    </start-state>

    <node name="doit">
        <event type="node-enter">
            <action class="org.alfresco.repo.workflow.jbpm.AlfrescoJavaScript">
                <script>
                    <!-- following line fails as it attempts to convert properties of children to javascript objects -->
                    <!-- except the beanshell line above has already pre-created the children without the javascript scope -->
                    <!-- object -->
                    <!-- var result = "testNode.created: " + testNode.properties["cm:created"] + ", testNode.children.length: " + testNode.children[0].properties["cm:name"]; -->
                    <expression>
                        var result = "testNode.created: " + theTestNode.properties["cm:created"] + ", theTestNode.children.length: " + theTestNode.children.length;
                        if (logger.isLoggingEnabled())
                        {
                            logger.log(result);
                        }
                        result;
                    </expression>
                    <variable name="testNode" access="read" mapped-name="theTestNode" />
                    <variable name="alfrescoScriptResult" access="write" />
                </script>
            </action>
        </event>
        <transition name="" to="end" />
    </node>

    <end-state name="end">
        <event type="node-enter">
            <script>
                System.out.println("javascript: " + alfrescoScriptResult);
                System.out.println("bpm_workflowDescription: " + bpm_workflowDescription);
            </script>
        </event>
    </end-state>

</process-definition>