Package org.jbpm.workflow.core.node

Examples of org.jbpm.workflow.core.node.ForEachNode$ForEachJoinNode

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        process.addNode(new RuleSetNode());
        process.addNode(new SubProcessNode());
        process.addNode(new WorkItemNode());
        process.addNode(new TimerNode());
        process.addNode(new HumanTaskNode());
        process.addNode(new ForEachNode());
        process.addNode(new CompositeContextNode());
        process.addNode(new EventNode());
        process.addNode(new FaultNode());
        process.addNode(new StateNode());
        process.addNode(new DynamicNode());
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        timer.setPeriod("1000");
        timerNode.setTimer(timer);
        process.addNode(timerNode);
        new ConnectionImpl(humanTaskNode, Node.CONNECTION_DEFAULT_TYPE, timerNode, Node.CONNECTION_DEFAULT_TYPE);
       
        ForEachNode forEachNode = new ForEachNode();
        forEachNode.setName("ForEach");
        forEachNode.setCollectionExpression("collection");
        forEachNode.setVariable("variableName", new ObjectDataType());
        forEachNode.setWaitForCompletion(false);
        ActionNode subActionNode1 = new ActionNode();
        forEachNode.getCompositeNode().addNode(subActionNode1);
        ActionNode subActionNode2 = new ActionNode();
        forEachNode.getCompositeNode().addNode(subActionNode2);
        new ConnectionImpl(subActionNode1, Node.CONNECTION_DEFAULT_TYPE, subActionNode2, Node.CONNECTION_DEFAULT_TYPE);
        forEachNode.getCompositeNode().linkIncomingConnections(Node.CONNECTION_DEFAULT_TYPE, subActionNode1.getId(), Node.CONNECTION_DEFAULT_TYPE);
        forEachNode.getCompositeNode().linkOutgoingConnections(subActionNode2.getId(), Node.CONNECTION_DEFAULT_TYPE, Node.CONNECTION_DEFAULT_TYPE);
        process.addNode(forEachNode);
        new ConnectionImpl(timerNode, Node.CONNECTION_DEFAULT_TYPE, forEachNode, Node.CONNECTION_DEFAULT_TYPE);
       
        CompositeContextNode compositeNode = new CompositeContextNode();
        compositeNode.setName("Composite");
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        process.addNode(startNode);
        EndNode endNode = new EndNode();
        endNode.setName("EndNode");
        endNode.setId(2);
        process.addNode(endNode);
        ForEachNode forEachNode = new ForEachNode();
        forEachNode.setName("ForEach");
        forEachNode.setId(3);
        forEachNode.setCollectionExpression("persons");
        personDataType = new ObjectDataType();
        personDataType.setClassName("org.drools.Person");
        process.addNode(forEachNode);
        new ConnectionImpl(
            startNode, Node.CONNECTION_DEFAULT_TYPE,
            forEachNode, Node.CONNECTION_DEFAULT_TYPE
        );
        new ConnectionImpl(
            forEachNode, Node.CONNECTION_DEFAULT_TYPE,
            endNode, Node.CONNECTION_DEFAULT_TYPE
        );
       
        final List<String> myList = new ArrayList<String>();
        ActionNode actionNode = new ActionNode();
        actionNode.setName("Print child");
        DroolsAction action = new DroolsConsequenceAction("java", null);
        action.setMetaData("Action", new Action() {
            public void execute(ProcessContext context) throws Exception {
              System.out.println("Executed action for child " + ((Person) context.getVariable("child")).getName());
                myList.add("Executed action");
            }
        });
        actionNode.setAction(action);
        forEachNode.addNode(actionNode);
        forEachNode.linkIncomingConnections(
            Node.CONNECTION_DEFAULT_TYPE,
            actionNode.getId(), Node.CONNECTION_DEFAULT_TYPE);
        forEachNode.linkOutgoingConnections(
            actionNode.getId(), Node.CONNECTION_DEFAULT_TYPE,
            Node.CONNECTION_DEFAULT_TYPE);
        forEachNode.setVariable("child", personDataType);
       
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        ((AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase()).addProcess(process);
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();       
       
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import org.xml.sax.SAXException;

public class ForEachNodeHandler extends CompositeNodeHandler {

    protected Node createNode() {
        return new ForEachNode();
    }
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    protected String getNodeName() {
      return "forEach";
    }
   
    protected void writeAttributes(CompositeNode compositeNode, StringBuilder xmlDump, boolean includeMeta) {
      ForEachNode forEachNode = (ForEachNode) compositeNode;
      String variableName = forEachNode.getVariableName();
      if (variableName != null) {
        xmlDump.append("variableName=\"" + variableName + "\" ");
      }
      String collectionExpression = forEachNode.getCollectionExpression();
      if (collectionExpression != null) {
        xmlDump.append("collectionExpression=\"" + XmlDumper.replaceIllegalChars(collectionExpression) + "\" ");
      }
      boolean waitForCompletion = forEachNode.isWaitForCompletion();
      if (!waitForCompletion) {
        xmlDump.append("waitForCompletion=\"false\" ");
      }
    }
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    }
   
    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);
      ForEachNode forEachNode = (ForEachNode) node;
        final String variableName = element.getAttribute("variableName");
        if (variableName != null && variableName.length() != 0) {
            forEachNode.setVariable(variableName, new ObjectDataType());
        }
        final String collectionExpression = element.getAttribute("collectionExpression");
        if (collectionExpression != null && collectionExpression.length() != 0) {
            forEachNode.setCollectionExpression(collectionExpression);
        }
        final String waitForCompletion = element.getAttribute("waitForCompletion");
        if ("false".equals(waitForCompletion)) {
            forEachNode.setWaitForCompletion(false);
        }
    }
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  public Class generateNodeFor() {
        return ForEachNode.class;
    }

    public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
      ForEachNode forEachNode = (ForEachNode) node;
      writeNode("subProcess", forEachNode, xmlDump, metaDataType);
    xmlDump.append(" >" + EOL);
    // ioSpecification and dataInputAssociation
        xmlDump.append(
            "      <ioSpecification>" + EOL);
        String parameterName = forEachNode.getVariableName();
        if (parameterName != null) {
          xmlDump.append(
          "        <dataInput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(forEachNode) + "_input\" name=\"MultiInstanceInput\" />" + EOL);
        }
        xmlDump.append(
        "        <inputSet/>" + EOL +
            "        <outputSet/>" + EOL +
            "      </ioSpecification>" + EOL);
        String collectionExpression = forEachNode.getCollectionExpression();
        if (collectionExpression != null) {
            xmlDump.append(
                "      <dataInputAssociation>" + EOL +
                "        <sourceRef>" + XmlDumper.replaceIllegalChars(collectionExpression) + "</sourceRef>" + EOL +
                "        <targetRef>" + XmlBPMNProcessDumper.getUniqueNodeId(forEachNode) + "_input</targetRef>" + EOL +
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    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
      String nodeName = xmlNode.getNodeName();
      if ("multiInstanceLoopCharacteristics".equals(nodeName)) {
        // create new timerNode
        ForEachNode forEachNode = new ForEachNode();
        forEachNode.setId(node.getId());
        forEachNode.setName(node.getName());
        for (org.drools.definition.process.Node subNode: ((CompositeContextNode) node).getNodes()) {
          forEachNode.addNode(subNode);
        }
        forEachNode.setMetaData("UniqueId", ((CompositeContextNode) node).getMetaData("UniqueId"));
        forEachNode.setMetaData(ProcessHandler.CONNECTIONS, ((CompositeContextNode) node).getMetaData(ProcessHandler.CONNECTIONS));
        VariableScope v = (VariableScope) ((CompositeContextNode) node).getDefaultContext(VariableScope.VARIABLE_SCOPE);
        ((VariableScope) ((CompositeContextNode) forEachNode.internalGetNode(2)).getDefaultContext(VariableScope.VARIABLE_SCOPE)).setVariables(v.getVariables());
        node = forEachNode;
        handleForEachNode(node, element, uri, localName, parser);
        found = true;
        break;
      }
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    @SuppressWarnings("unchecked")
  protected void handleForEachNode(final Node node, final Element element, final String uri,
            final String localName, final ExtensibleXmlParser parser) throws SAXException {
      super.handleNode(node, element, uri, localName, parser);
      ForEachNode forEachNode = (ForEachNode) node;
      org.w3c.dom.Node xmlNode = element.getFirstChild();
        while (xmlNode != null) {
            String nodeName = xmlNode.getNodeName();
            if ("dataInputAssociation".equals(nodeName)) {
                readDataInputAssociation(xmlNode, forEachNode);
            } else if ("multiInstanceLoopCharacteristics".equals(nodeName)) {
              readMultiInstanceLoopCharacteristics(xmlNode, forEachNode, parser);
            }
            xmlNode = xmlNode.getNextSibling();
        }
      List<SequenceFlow> connections = (List<SequenceFlow>)
      forEachNode.getMetaData(ProcessHandler.CONNECTIONS);
      ProcessHandler.linkConnections(forEachNode, connections);
      ProcessHandler.linkBoundaryEvents(forEachNode);
    }
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    org.w3c.dom.Node xmlNode = element.getFirstChild();
    while (xmlNode != null) {
      String nodeName = xmlNode.getNodeName();
      if ("multiInstanceLoopCharacteristics".equals(nodeName)) {
        // create new timerNode
        ForEachNode forEachNode = new ForEachNode();
        forEachNode.setId(node.getId());
        forEachNode.setMetaData("UniqueId", node.getMetaData().get("UniqueId"));
        node.setMetaData("UniqueId", null);
        node.setMetaData("hidden", true);
        forEachNode.addNode(node);
        forEachNode.linkIncomingConnections(NodeImpl.CONNECTION_DEFAULT_TYPE, node.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE);
        forEachNode.linkOutgoingConnections(node.getId(), NodeImpl.CONNECTION_DEFAULT_TYPE, NodeImpl.CONNECTION_DEFAULT_TYPE);
        node = forEachNode;
        handleForEachNode(node, element, uri, localName, parser);
        break;
      }
      xmlNode = xmlNode.getNextSibling();
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Related Classes of org.jbpm.workflow.core.node.ForEachNode$ForEachJoinNode

  • org.drools.eclipse.flow.ruleflow.core.ForEachNodeWrapper
  • org.jbpm.bpmn2.xml.ForEachNodeHandler
  • org.jbpm.bpmn2.xml.SubProcessHandler
  • org.jbpm.bpmn2.xml.TaskHandler
  • org.jbpm.bpmn2.xml.XmlBPMNProcessDumper
  • org.jbpm.compiler.xml.processes.ForEachNodeHandler
  • org.jbpm.compiler.xml.processes.XMLPersistenceTest
  • org.jbpm.process.core.context.variable.Variable
  • org.jbpm.process.core.context.variable.VariableScope
  • org.jbpm.process.ForEachTest
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