Package org.drools.workflow.core.node

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

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    }
   
    protected void handleStateNode(final Node node, final Element element, final String uri,
            final String localName, final ExtensibleXmlParser parser) throws SAXException {
        super.handleNode(node, element, uri, localName, parser);
        StateNode stateNode = (StateNode) node;
        org.w3c.dom.Node xmlNode = element.getFirstChild();
        while (xmlNode != null) {
            String nodeName = xmlNode.getNodeName();
            if ("conditionalEventDefinition".equals(nodeName)) {
                org.w3c.dom.Node subNode = xmlNode.getFirstChild();
                while (subNode != null) {
                    String subnodeName = subNode.getNodeName();
                    if ("condition".equals(subnodeName)) {
                        stateNode.setMetaData("Condition", xmlNode.getTextContent());
                        break;
                    }
                    subNode = subNode.getNextSibling();
                }
            }
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  }
 
    private void postProcessNodes(NodeContainer container) {
        for (Node node: container.getNodes()) {
            if (node instanceof StateNode) {
                StateNode stateNode = (StateNode) node;
                String condition = (String) stateNode.getMetaData("Condition");
                Constraint constraint = new ConstraintImpl();
                constraint.setConstraint(condition);
                constraint.setType("rule");
                for (org.drools.definition.process.Connection connection: stateNode.getDefaultOutgoingConnections()) {
                    stateNode.setConstraint(connection, constraint);
                }
            } else if (node instanceof NodeContainer) {
                postProcessNodes((NodeContainer) node);
            }
        }
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  public Class generateNodeFor() {
        return StateNode.class;
    }

  public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
      StateNode stateNode = (StateNode) node;
    String condition = (String) stateNode.getMetaData("Condition");
    writeNode("intermediateCatchEvent", stateNode, xmlDump, metaDataType);
    xmlDump.append(">" + EOL);
        xmlDump.append("      <conditionalEventDefinition>" + EOL);
        xmlDump.append("        <condition xs:type=\"tFormalExpression\" language=\"" + XmlBPMNProcessDumper.RULE_LANGUAGE + "\">" + XmlDumper.replaceIllegalChars(condition) + "</condition>" + EOL);
        xmlDump.append("      </conditionalEventDefinition>" + EOL);
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        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());
       
        String xml = XmlRuleFlowProcessDumper.INSTANCE.dump(process, false);
        if (xml == null) {
            throw new IllegalArgumentException("Failed to persist empty nodes!");
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        endNode.setMetaData("y", 2);
        endNode.setMetaData("width", 3);
        endNode.setMetaData("height", 4);
        process.addNode(endNode);
       
        StateNode stateNode = new StateNode();
        stateNode.setName("state");
        stateNode.setMetaData("x", 1);
        stateNode.setMetaData("y", 2);
        stateNode.setMetaData("width", 3);
        stateNode.setMetaData("height", 4);
        timer = new Timer();
        timer.setDelay("100");
        timer.setPeriod("100");
        action = new DroolsConsequenceAction("dialect", "consequence");
        stateNode.addTimer(timer, action);
        timer = new Timer();
        timer.setDelay("200");
        timer.setPeriod("200");
        action = new DroolsConsequenceAction("dialect", "consequence");
        stateNode.addTimer(timer, action);
        actions = new ArrayList<DroolsAction>();
        action1 = new DroolsConsequenceAction("java", "System.out.println(\"action1\");");
        actions.add(action1);
        action2 = new DroolsConsequenceAction("java", "System.out.println(\"action2\");");
        actions.add(action2);
        stateNode.setActions(ExtendedNodeImpl.EVENT_NODE_ENTER, actions);
        stateNode.setActions(ExtendedNodeImpl.EVENT_NODE_EXIT, actions);
        new ConnectionImpl(compositeNode, Node.CONNECTION_DEFAULT_TYPE, stateNode, Node.CONNECTION_DEFAULT_TYPE);
        connection = new ConnectionImpl(stateNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
        constraint = new ConstraintImpl();
        constraint.setName("constraint1 ><&&");
        constraint.setPriority(1);
        constraint.setDialect("dialect1");
        constraint.setType("type1");
        constraint.setConstraint("constraint-text1 %&<>");
        stateNode.setConstraint(connection, constraint);
        connection = new ConnectionImpl(stateNode, Node.CONNECTION_DEFAULT_TYPE, endNode, Node.CONNECTION_DEFAULT_TYPE);
        constraint = new ConstraintImpl();
        constraint.setName("constraint2");
        constraint.setPriority(2);
        constraint.setDialect("dialect2");
        constraint.setType("type2");
        constraint.setConstraint("constraint-text2");
        stateNode.setConstraint(connection, constraint);
        process.addNode(stateNode);
       
        String xml = XmlRuleFlowProcessDumper.INSTANCE.dump(process, true);
        if (xml == null) {
            throw new IllegalArgumentException("Failed to persist full nodes!");
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                  for (Timer timer: milestone.getTimers().keySet()) {
                    validateTimer(timer, node, process, errors);
                  }
                }
            } else if (node instanceof StateNode) {
                final StateNode stateNode = (StateNode) node;
                if (stateNode.getDefaultIncomingConnections().size() == 0 && !acceptsNoIncomingConnections(node)) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "State node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection"));
                }
            }
            else if (node instanceof SubProcessNode) {
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import org.xml.sax.SAXException;

public class StateNodeHandler extends AbstractNodeHandler {

    protected Node createNode() {
        return new StateNode();
    }
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    public 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);
        StateNode stateNode = (StateNode) node;
        for (String eventType: stateNode.getActionTypes()) {
          handleAction(node, element, eventType);
        }
    }
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          handleAction(node, element, eventType);
        }
    }
   
    public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
    StateNode milestoneNode = (StateNode) node;
    writeNode("state", milestoneNode, xmlDump, includeMeta);
        endNode(xmlDump);
  }
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    }
   
  public void internalTrigger(NodeInstance from, String type) {
    super.internalTrigger(from, type);
        // TODO: composite states trigger
        StateNode stateNode = getStateNode();
        Connection selected = null;
        int priority = Integer.MAX_VALUE;
        for (Connection connection: stateNode.getOutgoingConnections(NodeImpl.CONNECTION_DEFAULT_TYPE)) {
            Constraint constraint = stateNode.getConstraint(connection);
            if (constraint != null && constraint.getPriority() < priority) {
              String rule = "RuleFlowStateNode-" + getProcessInstance().getProcessId() + "-" +
                getStateNode().getUniqueId() + "-" +
                connection.getTo().getId() + "-" +
                connection.getToType();
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Related Classes of org.drools.workflow.core.node.StateNode

  • org.drools.bpmn2.legacy.beta1.IntermediateCatchEventHandler
  • org.drools.bpmn2.legacy.beta1.ProcessHandler
  • org.drools.bpmn2.legacy.beta1.StateNodeHandler
  • org.drools.bpmn2.xml.IntermediateCatchEventHandler
  • org.drools.bpmn2.xml.ProcessHandler
  • org.drools.bpmn2.xml.StateNodeHandler
  • org.drools.compiler.ProcessBuilder
  • org.drools.compiler.xml.processes.StateNodeHandler
  • org.drools.compiler.xml.processes.XMLPersistenceTest
  • org.drools.ruleflow.core.validation.RuleFlowProcessValidator
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