How to use

Node

in

org.drools.definition.process

private void addNodesInfo(List<DiagramNodeInfo> nodeInfos, Node[] nodes, String prefix) {
  for (Node node: nodes) {
    nodeInfos.add(new DiagramNodeInfo(
      prefix + node.getId(),
      (Integer) node.getMetaData().get("x"),
      (Integer) node.getMetaData().get("y"),
      (Integer) node.getMetaData().get("width"),
      (Integer) node.getMetaData().get("height")));
    if (node instanceof NodeContainer) {
      addNodesInfo(nodeInfos, ((NodeContainer) node).getNodes(), prefix + node.getId() + ":");
    }
  }
}

private String createNodeId(NodeInstance nodeInstance) {
  Node node = nodeInstance.getNode();
  if (node == null) {
    return "";
  }
  String nodeId = "" + node.getId();
  NodeContainer nodeContainer = node.getNodeContainer();
  while (nodeContainer != null) {
    if (nodeContainer instanceof Node) {
      node = (Node) nodeContainer;
      nodeContainer = node.getNodeContainer();
      // TODO fix this filter out hidden compositeNode inside ForEach node
      if (!(nodeContainer.getClass().getName().endsWith("ForEachNode"))) {
        nodeId = node.getId() + ":" + nodeId;
      }
    } else {
      break;
    }
  }
  return nodeId;
}

@Override
public String getCurrentNodeName() {
  WorkflowProcessInstance process = (WorkflowProcessInstance) ksession.getProcessInstance(this.processInstanceId);
  long nodeId = process.getNodeInstances().iterator().next().getNodeId();
  return ((WorkflowProcess) this.kbase.getProcess(this.processId)).getNode(nodeId).getName();
}

public String getCurrentNodeName() {
  StatefulKnowledgeSession ksession = this.getKnowledgeSession();
  try{
    WorkflowProcessInstance process = (WorkflowProcessInstance) ksession.getProcessInstance(this.processInstanceId);
    long nodeId = process.getNodeInstances().iterator().next().getNodeId();
    return ((WorkflowProcess) this.kbase.getProcess(this.processId)).getNode(nodeId).getName();
  } finally{
    ksession.dispose();
  }
}