Package org.drools.workflow.core.node

Examples of org.drools.workflow.core.node.CompositeContextNode

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  private long linkedOutgoingNodeId = -1;
 
    public CompositeNodeFactory(RuleFlowNodeContainerFactory nodeContainerFactory, NodeContainer nodeContainer, long id) {
      this.nodeContainerFactory = nodeContainerFactory;
      this.nodeContainer = nodeContainer;
      CompositeContextNode compositeNode = new CompositeContextNode();
        compositeNode.setId(id);
        setNodeContainer(compositeNode);
    }
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import org.drools.workflow.core.node.CompositeNode;

public class CompositeNodeHandler extends AbstractNodeHandler {

    protected Node createNode() {
        CompositeContextNode result = new CompositeContextNode();
        VariableScope variableScope = new VariableScope();
        result.addContext(variableScope);
        result.setDefaultContext(variableScope);
        return result;
    }
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        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());
       
        String xml = XmlRuleFlowProcessDumper.INSTANCE.dump(process, false);
        if (xml == null) {
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        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");
        VariableScope variableScope = new VariableScope();
        compositeNode.addContext(variableScope);
        compositeNode.setDefaultContext(variableScope);
        variableScope.setVariables(variables);
        ExceptionScope exceptionScope = new ExceptionScope();
        compositeNode.addContext(exceptionScope);
        compositeNode.setDefaultContext(exceptionScope);
        exceptionHandler = new ActionExceptionHandler();
        exceptionHandler.setFaultVariable("faultVariable");
        action = new DroolsConsequenceAction("dialect", "consequence");
        exceptionHandler.setAction(action);
        exceptionScope.setExceptionHandler("MyFault", exceptionHandler);
        exceptionHandler = new ActionExceptionHandler();
        exceptionHandler.setFaultVariable("faultVariable2");
        action = new DroolsConsequenceAction("dialect2", "consequence2");
        exceptionHandler.setAction(action);
        exceptionScope.setExceptionHandler("MyFault2", exceptionHandler);
        subActionNode1 = new ActionNode();
        compositeNode.addNode(subActionNode1);
        subActionNode2 = new ActionNode();
        compositeNode.addNode(subActionNode2);
        new ConnectionImpl(subActionNode1, Node.CONNECTION_DEFAULT_TYPE, subActionNode2, Node.CONNECTION_DEFAULT_TYPE);
        compositeNode.linkIncomingConnections(Node.CONNECTION_DEFAULT_TYPE, subActionNode1.getId(), Node.CONNECTION_DEFAULT_TYPE);
        compositeNode.linkOutgoingConnections(subActionNode2.getId(), Node.CONNECTION_DEFAULT_TYPE, Node.CONNECTION_DEFAULT_TYPE);
        process.addNode(compositeNode);
        new ConnectionImpl(forEachNode, Node.CONNECTION_DEFAULT_TYPE, compositeNode, Node.CONNECTION_DEFAULT_TYPE);
       
        EndNode endNode = new EndNode();
        endNode.setName("end");
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  public Class generateNodeFor() {
        return CompositeContextNode.class;
    }

    public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
      CompositeContextNode compositeNode = (CompositeContextNode) node;
      String nodeType = "subProcess";
      if (node.getMetaData().get("Transaction") != null) {
        nodeType = "transaction";
      }
    writeNode(nodeType, compositeNode, xmlDump, includeMeta);
    xmlDump.append(" >" + EOL);
        // variables
    VariableScope variableScope = (VariableScope)
            compositeNode.getDefaultContext(VariableScope.VARIABLE_SCOPE);
    if (variableScope != null && !variableScope.getVariables().isEmpty()) {
            xmlDump.append("    <!-- variables -->" + EOL);
            for (Variable variable: variableScope.getVariables()) {
                xmlDump.append("    <property id=\"" + XmlDumper.replaceIllegalChars(variable.getName()) + "\" ");
                if (variable.getType() != null) {
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                            throw new IllegalArgumentException("Could not find node to attach to: " + attachedTo);
                        }
                    }
                    if (type.startsWith("Escalation-")) {
                        boolean cancelActivity = (Boolean) node.getMetaData().get("CancelActivity");
                        CompositeContextNode compositeNode = (CompositeContextNode) attachedNode;
                        ExceptionScope exceptionScope = (ExceptionScope)
                            compositeNode.getDefaultContext(ExceptionScope.EXCEPTION_SCOPE);
                        if (exceptionScope == null) {
                            exceptionScope = new ExceptionScope();
                            compositeNode.addContext(exceptionScope);
                            compositeNode.setDefaultContext(exceptionScope);
                        }
                        String escalationCode = (String) node.getMetaData().get("EscalationEvent");
                        ActionExceptionHandler exceptionHandler = new ActionExceptionHandler();
                        exceptionHandler.setAction(new DroolsConsequenceAction("java",
                            (cancelActivity ? "((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();" : "") +
                            "kcontext.getProcessInstance().signalEvent(\"Escalation-" + attachedTo + "-" + escalationCode + "\", null);"));
                        exceptionScope.setExceptionHandler(escalationCode, exceptionHandler);
                    } else if (type.startsWith("Error-")) {
                        CompositeContextNode compositeNode = (CompositeContextNode) attachedNode;
                        ExceptionScope exceptionScope = (ExceptionScope)
                            compositeNode.getDefaultContext(ExceptionScope.EXCEPTION_SCOPE);
                        if (exceptionScope == null) {
                            exceptionScope = new ExceptionScope();
                            compositeNode.addContext(exceptionScope);
                            compositeNode.setDefaultContext(exceptionScope);
                        }
                        String errorCode = (String) node.getMetaData().get("ErrorEvent");
                        ActionExceptionHandler exceptionHandler = new ActionExceptionHandler();
                        exceptionHandler.setAction(new DroolsConsequenceAction("java",
                            "((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();" +
                            "kcontext.getProcessInstance().signalEvent(\"Error-" + attachedTo + "-" + errorCode + "\", null);"));
                        exceptionScope.setExceptionHandler(errorCode, exceptionHandler);
                    } else if (type.startsWith("Timer-")) {
                        boolean cancelActivity = (Boolean) node.getMetaData().get("CancelActivity");
                        CompositeContextNode compositeNode = (CompositeContextNode) attachedNode;
                        String timeCycle = (String) node.getMetaData().get("TimeCycle");
                        Timer timer = new Timer();
                        timer.setDelay(timeCycle);
                        compositeNode.addTimer(timer, new DroolsConsequenceAction("java",
                            (cancelActivity ? "((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();" : "") +
                            "kcontext.getProcessInstance().signalEvent(\"Timer-" + attachedTo + "-" + timeCycle + "\", null);"));
                    } else if (type.startsWith("Compensate-")) {
                      String uniqueId = (String) node.getMetaData().get("UniqueId");
                      String eventType = "Compensate-" + uniqueId;
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import org.xml.sax.SAXException;

public class SubProcessHandler extends AbstractNodeHandler {
   
    protected Node createNode(Attributes attrs) {
      CompositeContextNode result = new CompositeContextNode();
        VariableScope variableScope = new VariableScope();
        result.addContext(variableScope);
        result.setDefaultContext(variableScope);
        return result;
    }
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    @SuppressWarnings("unchecked")
  protected void handleCompositeContextNode(final Node node, final Element element, final String uri,
            final String localName, final ExtensibleXmlParser parser) throws SAXException {
      super.handleNode(node, element, uri, localName, parser);
      CompositeContextNode compositeNode = (CompositeContextNode) node;
      List<SequenceFlow> connections = (List<SequenceFlow>)
      compositeNode.getMetaData(ProcessHandler.CONNECTIONS);
      ProcessHandler.linkConnections(compositeNode, connections);
      ProcessHandler.linkBoundaryEvents(compositeNode);
    }
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  private long linkedOutgoingNodeId = -1;
 
    public CompositeNodeFactory(RuleFlowNodeContainerFactory nodeContainerFactory, NodeContainer nodeContainer, long id) {
      this.nodeContainerFactory = nodeContainerFactory;
      this.nodeContainer = nodeContainer;
      CompositeContextNode compositeNode = new CompositeContextNode();
        compositeNode.setId(id);
        setNodeContainer(compositeNode);
    }
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  public Class generateNodeFor() {
        return CompositeContextNode.class;
    }

    public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
      CompositeContextNode compositeNode = (CompositeContextNode) node;
      String nodeType = "subProcess";
      if (node.getMetaData().get("Transaction") != null) {
        nodeType = "transaction";
      }
    writeNode(nodeType, compositeNode, xmlDump, metaDataType);
    xmlDump.append(" >" + EOL);
        // variables
    VariableScope variableScope = (VariableScope)
            compositeNode.getDefaultContext(VariableScope.VARIABLE_SCOPE);
    if (variableScope != null && !variableScope.getVariables().isEmpty()) {
            xmlDump.append("    <!-- variables -->" + EOL);
            for (Variable variable: variableScope.getVariables()) {
                xmlDump.append("    <property id=\"" + XmlDumper.replaceIllegalChars(variable.getName()) + "\" ");
                if (variable.getType() != null) {
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Related Classes of org.drools.workflow.core.node.CompositeContextNode

  • org.drools.bpmn2.legacy.beta1.CompositeContextNodeHandler
  • org.drools.bpmn2.legacy.beta1.ProcessHandler
  • org.drools.bpmn2.legacy.beta1.SubProcessHandler
  • org.drools.bpmn2.xml.CompositeContextNodeHandler
  • org.drools.bpmn2.xml.ProcessHandler
  • org.drools.bpmn2.xml.SubProcessHandler
  • org.drools.compiler.xml.processes.CompositeNodeHandler
  • org.drools.compiler.xml.processes.XMLPersistenceTest
  • org.drools.process.core.Context
  • org.drools.ruleflow.core.factory.CompositeNodeFactory
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