Package org.drools.workflow.core.node

Examples of org.drools.workflow.core.node.Split$ConnectionRef

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            }
        };
        process.addNode(new StartNode());
        process.addNode(new EndNode());
        process.addNode(new ActionNode());
        process.addNode(new Split());
        process.addNode(new Join());
        process.addNode(new MilestoneNode());
        process.addNode(new RuleSetNode());
        process.addNode(new SubProcessNode());
        process.addNode(new WorkItemNode());
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        faultNode.setMetaData("height", 4);
        faultNode.setFaultName("faultName");
        faultNode.setFaultVariable("faultVariable");
        process.addNode(faultNode);
       
        Split split = new Split();
        split.setName("split");
        split.setMetaData("x", 1);
        split.setMetaData("y", 2);
        split.setMetaData("width", 3);
        split.setMetaData("height", 4);
        split.setType(Split.TYPE_XOR);
        Connection connection = new ConnectionImpl(split, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
        Constraint constraint = new ConstraintImpl();
        constraint.setName("constraint1 ><&&");
        constraint.setPriority(1);
        constraint.setDialect("dialect1");
        constraint.setType("type1");
        constraint.setConstraint("constraint-text1");
        split.setConstraint(connection, constraint);
        connection = new ConnectionImpl(split, Node.CONNECTION_DEFAULT_TYPE, ruleSetNode, Node.CONNECTION_DEFAULT_TYPE);
        constraint = new ConstraintImpl();
        constraint.setName("constraint2");
        constraint.setPriority(2);
        constraint.setDialect("dialect2");
        constraint.setType("type2");
        constraint.setConstraint("constraint-text2");
        split.setConstraint(connection, constraint);
        process.addNode(split);
        new ConnectionImpl(startNode, Node.CONNECTION_DEFAULT_TYPE, split, Node.CONNECTION_DEFAULT_TYPE);
       
        EventNode eventNode = new EventNode();
        eventNode.setName("action");
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                  for (Timer timer: ruleSetNode.getTimers().keySet()) {
                    validateTimer(timer, node, process, errors);
                  }
                }
            } else if (node instanceof Split) {
                final Split split = (Split) node;
                if (split.getType() == Split.TYPE_UNDEFINED) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Split node '" + node.getName() + "' [" + node.getId() + "] has no type."));
                }
                if (split.getFrom() == null && !acceptsNoIncomingConnections(node)) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Split node '" + node.getName() + "' [" + node.getId() + "] has no incoming connection."));
                }
                if (split.getDefaultOutgoingConnections().size() < 2) {
                    errors.add(new ProcessValidationErrorImpl(process,
                        "Split node '" + node.getName() + "' [" + node.getId() + "] does not have more than one outgoing connection: " + split.getOutgoingConnections().size() + "."));
                }
                if (split.getType() == Split.TYPE_XOR || split.getType() == Split.TYPE_OR ) {
                    for ( final Iterator<Connection> it = split.getDefaultOutgoingConnections().iterator(); it.hasNext(); ) {
                        final Connection connection = it.next();
                        if (split.getConstraint(connection) == null) {
                            errors.add(new ProcessValidationErrorImpl(process,
                                "Split node '" + node.getName() + "' [" + node.getId() + "] does not have a constraint for " + connection.toString() + "."));
                        }
                    }
                }
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    public SplitFactory(RuleFlowNodeContainerFactory nodeContainerFactory, NodeContainer nodeContainer, long id) {
        super(nodeContainerFactory, nodeContainer, id);
    }

    protected Node createNode() {
        return new Split();
    }
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    public void build(Process process,
                      ProcessDescr processDescr,
                      ProcessBuildContext context,
                      Node node) {
        Split splitNode = ( Split ) node;
       
        if ( splitNode.getType() == Split.TYPE_AND ) {
            // we only process or/xor
            return;
        }
        // we need to clone the map, so we can update the original while iterating.
        Map<Split.ConnectionRef, Constraint> map = new HashMap<Split.ConnectionRef, Constraint>( splitNode.getConstraints() );
        for ( Iterator<Map.Entry<Split.ConnectionRef, Constraint>> it = map.entrySet().iterator(); it.hasNext(); ) {
            Map.Entry<Split.ConnectionRef, Constraint> entry = it.next();
            Split.ConnectionRef connection = entry.getKey();
            ConstraintImpl constraint = (ConstraintImpl) entry.getValue();
            Connection outgoingConnection = null;
            for (Connection out: splitNode.getDefaultOutgoingConnections()) {
                if (out.getToType().equals(connection.getToType())
                    && out.getTo().getId() == connection.getNodeId()) {
                    outgoingConnection = out;
                }
            }
            if (outgoingConnection == null) {
                throw new IllegalArgumentException("Could not find outgoing connection");
            }
            if ( "rule".equals( constraint.getType() )) {
                RuleConstraintEvaluator ruleConstraint = new RuleConstraintEvaluator();
                ruleConstraint.setDialect( constraint.getDialect() );
                ruleConstraint.setName( constraint.getName() );
                ruleConstraint.setPriority( constraint.getPriority() );
                splitNode.setConstraint( outgoingConnection, ruleConstraint );
            } else if ( "code".equals( constraint.getType() ) ) {
                ReturnValueConstraintEvaluator returnValueConstraint = new ReturnValueConstraintEvaluator();
                returnValueConstraint.setDialect( constraint.getDialect() );
                returnValueConstraint.setName( constraint.getName() );
                returnValueConstraint.setPriority( constraint.getPriority() );
                splitNode.setConstraint( outgoingConnection, returnValueConstraint );           
               
                ReturnValueDescr returnValueDescr = new ReturnValueDescr();
                returnValueDescr.setText( constraint.getConstraint() );
               
                Dialect dialect = context.getDialectRegistry().getDialect( constraint.getDialect() );                              
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    }
    private void generateRules(Node[] nodes, Process process, StringBuffer builder) {
        for ( int i = 0; i < nodes.length; i++ ) {
            if ( nodes[i] instanceof Split ) {
                Split split = (Split) nodes[i];
                if ( split.getType() == Split.TYPE_XOR || split.getType() == Split.TYPE_OR ) {
                    for ( Connection connection : split.getDefaultOutgoingConnections() ) {
                        Constraint constraint = split.getConstraint( connection );
                        if ( "rule".equals( constraint.getType() ) ) {
                            builder.append( createSplitRule( process,
                                                             connection,
                                                             split.getConstraint( connection ).getConstraint() ) );
                        }
                    }
                }
            } else if ( nodes[i] instanceof MilestoneNode ) {
                MilestoneNode milestone = (MilestoneNode) nodes[i];
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import org.xml.sax.SAXException;

public class SplitNodeHandler extends AbstractNodeHandler {

    protected Node createNode() {
        return new Split();
    }
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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);
        Split splitNode = (Split) node;
        String type = element.getAttribute("type");
        if (type != null && type.length() != 0 ) {
            splitNode.setType(new Integer(type));
        }
    }
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  public Class generateNodeFor() {
        return Split.class;
    }

  public void writeNode(Node node, StringBuilder xmlDump, boolean includeMeta) {
    Split splitNode = (Split) node;
    writeNode("split", splitNode, xmlDump, includeMeta);
        int type = splitNode.getType();
        if (type != 0) {
            xmlDump.append("type=\"" + type + "\" ");
        }
        if (splitNode.getConstraints().isEmpty()) {
            endNode(xmlDump);
        } else {
            xmlDump.append(">" + EOL);
            xmlDump.append("      <constraints>" + EOL);
            for (Map.Entry<Split.ConnectionRef, Constraint> entry: splitNode.getConstraints().entrySet()) {
                Split.ConnectionRef connection = entry.getKey();
                Constraint constraint = entry.getValue();
                xmlDump.append("        <constraint "
                        + "toNodeId=\"" + connection.getNodeId() + "\" "
                        + "toType=\"" + connection.getToType() + "\" ");
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                      final ExtensibleXmlParser parser) throws SAXException {
        final Element element = parser.endElementBuilder();
        Object parent = parser.getParent();
        // TODO use Constraintable interface
        if (parent instanceof Split) {
          Split splitNode = (Split) parser.getParent();
         
          final String toNodeIdString = element.getAttribute("toNodeId");
          emptyAttributeCheck(localName, "toNodeId", toNodeIdString, parser);
          int toNodeId = new Integer(toNodeIdString);
          final String toType = element.getAttribute("toType");
          emptyAttributeCheck(localName, "toType", toType, parser);
          Split.ConnectionRef connectionRef = new Split.ConnectionRef(toNodeId, toType);
          Constraint constraint = new ConstraintImpl();
         
          final String name = element.getAttribute("name");
          constraint.setName(name);
          final String priority = element.getAttribute("priority");
          if (priority != null && priority.length() != 0) {
              constraint.setPriority(new Integer(priority));
          }
          final String type = element.getAttribute("type");
          constraint.setType(type);
          final String dialect = element.getAttribute("dialect");
          constraint.setDialect(dialect);
         
          String text = ((Text)element.getChildNodes().item( 0 )).getWholeText();
          if (text != null) {
              text = text.trim();
              if ("".equals(text)) {
                  text = null;
              }
          }
          constraint.setConstraint(text);
          splitNode.internalSetConstraint(connectionRef, constraint);
        } else if (parent instanceof Constrainable) {
          Constrainable constrainable = (Constrainable) parent;
          String text = ((Text)element.getChildNodes().item( 0 )).getWholeText();
          if (text != null) {
              text = text.trim();
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