Package org.jbpm.workflow.core.node

Examples of org.jbpm.workflow.core.node.ActionNode

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import org.xml.sax.SAXException;

public class ActionNodeHandler extends AbstractNodeHandler {

    protected Node createNode() {
        return new ActionNode();
    }
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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);
        ActionNode actionNode = (ActionNode) node;
        org.w3c.dom.Node xmlNode = element.getFirstChild();
        if (xmlNode instanceof Element) {
        Element actionXml = (Element) xmlNode;
        DroolsAction action = extractAction(actionXml);
        actionNode.setAction(action);
        }
    }
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  public Class generateNodeFor() {
        return ActionNode.class;
    }

  public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
    ActionNode actionNode = (ActionNode) node;
    writeNode("actionNode", actionNode, xmlDump, includeMeta);
        DroolsConsequenceAction action = (DroolsConsequenceAction) actionNode.getAction();
        if (action != null || (includeMeta && containsMetaData(actionNode))) {
          xmlDump.append(">" + EOL);
          if (action != null) {
            writeAction(action, xmlDump);
          }
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  public Class generateNodeFor() {
        return ActionNode.class;
    }

  public void writeNode(Node node, StringBuilder xmlDump, int metaDataType) {
    ActionNode actionNode = (ActionNode) node;
    DroolsConsequenceAction action = (DroolsConsequenceAction) actionNode.getAction();
    if (action != null) {
        String s = action.getConsequence();
        if (s.startsWith("org.drools.process.instance.impl.WorkItemImpl workItem = new org.drools.process.instance.impl.WorkItemImpl();")) {
                writeNode("intermediateThrowEvent", actionNode, xmlDump, metaDataType);
                xmlDump.append(">" + EOL);
                String variable = (String) actionNode.getMetaData("MappingVariable");
                if (variable != null) {
                    xmlDump.append(
                        "      <dataInput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Input\" />" + EOL +
                        "      <dataInputAssociation>" + EOL +
                        "        <sourceRef>" + XmlDumper.replaceIllegalChars(variable) + "</sourceRef>" + EOL +
                        "        <targetRef>" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Input</targetRef>" + EOL +
                        "      </dataInputAssociation>" + EOL +
                        "      <inputSet>" + EOL +
                        "        <dataInputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Input</dataInputRefs>" + EOL +
                        "      </inputSet>" + EOL);
                }
                xmlDump.append("      <messageEventDefinition messageRef=\"" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Message\"/>" + EOL);
                endNode("intermediateThrowEvent", xmlDump);
            } else if (s.startsWith("kcontext.getKnowledgeRuntime().signalEvent(\"")) {
                writeNode("intermediateThrowEvent", actionNode, xmlDump, metaDataType);
                xmlDump.append(">" + EOL);
                s = s.substring(44);
                String type = s.substring(0, s.indexOf("\""));
                s = s.substring(s.indexOf(",") + 2);
                String variable = null;
                if (!s.startsWith("null")) {
                    variable = s.substring(0, s.indexOf(")"));
                    xmlDump.append(
                        "      <dataInput id=\"" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Input\" />" + EOL +
                        "      <dataInputAssociation>" + EOL +
                        "        <sourceRef>" + XmlDumper.replaceIllegalChars(variable) + "</sourceRef>" + EOL +
                        "        <targetRef>" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Input</targetRef>" + EOL +
                        "      </dataInputAssociation>" + EOL +
                        "      <inputSet>" + EOL +
                        "        <dataInputRefs>" + XmlBPMNProcessDumper.getUniqueNodeId(actionNode) + "_Input</dataInputRefs>" + EOL +
                        "      </inputSet>" + EOL);
                }
                if (type.startsWith("Compensate-")) {
                  xmlDump.append("      <compensateEventDefinition activityRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(type.substring(11)) + "\"/>" + EOL);
                } else {
                  xmlDump.append("      <signalEventDefinition signalRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(type) + "\"/>" + EOL);
                }
                endNode("intermediateThrowEvent", xmlDump);
            } else if (s.startsWith("kcontext.getProcessInstance().signalEvent(\"")) {
                writeNode("intermediateThrowEvent", actionNode, xmlDump, metaDataType);
                xmlDump.append(">" + EOL);
                s = s.substring(43);
                String type = s.substring(0, s.indexOf("\""));
                xmlDump.append("      <compensateEventDefinition activityRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(type.substring(11)) + "\"/>" + EOL);
                endNode("intermediateThrowEvent", xmlDump);
            } else if (s.startsWith("org.drools.process.instance.context.exception.ExceptionScopeInstance scopeInstance = (org.drools.process.instance.context.exception.ExceptionScopeInstance) ((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).resolveContextInstance(org.drools.process.core.context.exception.ExceptionScope.EXCEPTION_SCOPE, \"")) {
                writeNode("intermediateThrowEvent", actionNode, xmlDump, metaDataType);
                xmlDump.append(">" + EOL);
                s = s.substring(327);
                String type = s.substring(0, s.indexOf("\""));
                xmlDump.append("      <escalationEventDefinition escalationRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(type) + "\"/>" + EOL);
                endNode("intermediateThrowEvent", xmlDump);
            } else if ("IntermediateThrowEvent-None".equals(actionNode.getMetaData("NodeType"))) {
              writeNode("intermediateThrowEvent", actionNode, xmlDump, metaDataType);
                endNode(xmlDump);
            } else {
                writeNode("scriptTask", actionNode, xmlDump, metaDataType);
                if (JavaDialect.ID.equals(action.getDialect())) {
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    public void build(Process process,
                      ProcessDescr processDescr,
                      ProcessBuildContext context,
                      Node node) {
        ActionNode actionNode = ( ActionNode ) node;
        DroolsConsequenceAction action = (DroolsConsequenceAction) actionNode.getAction();
        ActionDescr actionDescr = new ActionDescr();
        actionDescr.setText( action.getConsequence() );  
       
        ProcessDialect dialect = ProcessDialectRegistry.getDialect( action.getDialect() );           
        dialect.getActionBuilder().build( context, action, actionDescr, (NodeImpl) node );
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    public void build(Process process,
                      ProcessDescr processDescr,
                      ProcessBuildContext context,
                      Node node) {
      super.build(process, processDescr, context, node);
        ActionNode actionNode = ( ActionNode ) node;
        DroolsConsequenceAction action = (DroolsConsequenceAction) actionNode.getAction();
        ActionDescr actionDescr = new ActionDescr();
        actionDescr.setText( action.getConsequence() );  
        ProcessDialect dialect = ProcessDialectRegistry.getDialect( action.getDialect() );           
        dialect.getActionBuilder().build( context, action, actionDescr, (NodeImpl) node );
    }
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import org.xml.sax.SAXException;

public class IntermediateThrowEventHandler extends AbstractNodeHandler {
   
    protected Node createNode(Attributes attrs) {
        return new ActionNode();
    }
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    }

    public Object end(final String uri, final String localName,
                      final ExtensibleXmlParser parser) throws SAXException {
        final Element element = parser.endElementBuilder();
        ActionNode node = (ActionNode) parser.getCurrent();
        // determine type of event definition, so the correct type of node
        // can be generated
        org.w3c.dom.Node xmlNode = element.getFirstChild();
        while (xmlNode != null) {
            String nodeName = xmlNode.getNodeName();
            if ("signalEventDefinition".equals(nodeName)) {
                // reuse already created ActionNode
                handleSignalNode(node, element, uri, localName, parser);
                break;
            } else if ("messageEventDefinition".equals(nodeName)) {
                // reuse already created ActionNode
                handleMessageNode(node, element, uri, localName, parser);
                break;
            } else if ("escalationEventDefinition".equals(nodeName)) {
                // reuse already created ActionNode
                handleEscalationNode(node, element, uri, localName, parser);
                break;
            } else if ("compensateEventDefinition".equals(nodeName)) {
                // reuse already created ActionNode
                handleCompensationNode(node, element, uri, localName, parser);
                break;
            }
            xmlNode = xmlNode.getNextSibling();
        }
        // none event definition
        if (node.getAction() == null) {
            node.setAction(new DroolsConsequenceAction("mvel", ""));
            node.setMetaData("NodeType", "IntermediateThrowEvent-None");
        }
        NodeContainer nodeContainer = (NodeContainer) parser.getParent();
        nodeContainer.addNode(node);
        return node;
    }
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        return node;
    }
   
    public void handleSignalNode(final Node node, final Element element, final String uri,
            final String localName, final ExtensibleXmlParser parser) throws SAXException {
        ActionNode actionNode = (ActionNode) node;
        org.w3c.dom.Node xmlNode = element.getFirstChild();
        while (xmlNode != null) {
            String nodeName = xmlNode.getNodeName();
            if ("dataInputAssociation".equals(nodeName)) {
                readDataInputAssociation(xmlNode, actionNode);
            } else if ("signalEventDefinition".equals(nodeName)) {
                String signalName = ((Element) xmlNode).getAttribute("signalRef");
                String variable = (String) actionNode.getMetaData("MappingVariable");
                actionNode.setAction(new DroolsConsequenceAction("mvel",
                    "kcontext.getKnowledgeRuntime().signalEvent(\""
                        + signalName + "\", " + (variable == null ? "null" : variable) + ")"));
            }
            xmlNode = xmlNode.getNextSibling();
        }
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    }
   
    @SuppressWarnings("unchecked")
    public void handleMessageNode(final Node node, final Element element, final String uri,
            final String localName, final ExtensibleXmlParser parser) throws SAXException {
        ActionNode actionNode = (ActionNode) node;
        org.w3c.dom.Node xmlNode = element.getFirstChild();
        while (xmlNode != null) {
            String nodeName = xmlNode.getNodeName();
            if ("dataInputAssociation".equals(nodeName)) {
                readDataInputAssociation(xmlNode, actionNode);
            } else if ("messageEventDefinition".equals(nodeName)) {
                String messageRef = ((Element) xmlNode).getAttribute("messageRef");
                Map<String, Message> messages = (Map<String, Message>)
                    ((ProcessBuildData) parser.getData()).getMetaData("Messages");
                if (messages == null) {
                    throw new IllegalArgumentException("No messages found");
                }
                Message message = messages.get(messageRef);
                if (message == null) {
                    throw new IllegalArgumentException("Could not find message " + messageRef);
                }
                String variable = (String) actionNode.getMetaData("MappingVariable");
                actionNode.setMetaData("MessageType", message.getType());
                actionNode.setAction(new DroolsConsequenceAction("java",
                    "org.drools.process.instance.impl.WorkItemImpl workItem = new org.drools.process.instance.impl.WorkItemImpl();" + EOL +
                    "workItem.setName(\"Send Task\");" + EOL +
                    "workItem.setParameter(\"MessageType\", \"" + message.getType() + "\");" + EOL +
                    (variable == null ? "" : "workItem.setParameter(\"Message\", " + variable + ");" + EOL) +
                    "((org.drools.process.instance.WorkItemManager) kcontext.getKnowledgeRuntime().getWorkItemManager()).internalExecuteWorkItem(workItem);"));
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  • org.jbpm.compiler.xml.processes.XMLPersistenceTest
  • org.jbpm.compiler.xml.StoreHandler
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