Examples with IntermediateLink io.automatiko.engine.workflow.bpmn2.core.IntermediateLink used on opensource projects

Example 6 with IntermediateLink

use of io.automatiko.engine.workflow.bpmn2.core.IntermediateLink in project automatiko-engine by automatiko-io.

the class IntermediateCatchEventHandler method handleLinkNode.

protected void handleLinkNode(Element element, Node node, org.w3c.dom.Node xmlLinkNode, ExtensibleXmlParser parser) {
    NodeContainer nodeContainer = (NodeContainer) parser.getParent();
    node.setName(element.getAttribute("name"));
    NamedNodeMap linkAttr = xmlLinkNode.getAttributes();
    String name = linkAttr.getNamedItem("name").getNodeValue();
    String id = element.getAttribute("id");
    node.setMetaData("UniqueId", id);
    node.setMetaData(LINK_NAME, name);
    org.w3c.dom.Node xmlNode = xmlLinkNode.getFirstChild();
    IntermediateLink aLink = new IntermediateLink();
    aLink.setName(name);
    aLink.setUniqueId(id);
    while (null != xmlNode) {
        String nodeName = xmlNode.getNodeName();
        if ("target".equals(nodeName)) {
            String target = xmlNode.getTextContent();
            node.setMetaData("target", target);
            aLink.setTarget(target);
        }
        if ("source".equals(nodeName)) {
            String source = xmlNode.getTextContent();
            node.setMetaData("source", source);
            aLink.addSource(source);
        }
        xmlNode = xmlNode.getNextSibling();
    }
    if (nodeContainer instanceof ExecutableProcess) {
        ExecutableProcess process = (ExecutableProcess) nodeContainer;
        List<IntermediateLink> links = (List<IntermediateLink>) process.getMetaData().get(ProcessHandler.LINKS);
        if (null == links) {
            links = new ArrayList<IntermediateLink>();
        }
        links.add(aLink);
        process.setMetaData(ProcessHandler.LINKS, links);
    } else if (nodeContainer instanceof CompositeNode) {
        CompositeNode subprocess = (CompositeNode) nodeContainer;
        List<IntermediateLink> links = (List<IntermediateLink>) subprocess.getMetaData().get(ProcessHandler.LINKS);
        if (null == links) {
            links = new ArrayList<IntermediateLink>();
        }
        links.add(aLink);
        subprocess.setMetaData(ProcessHandler.LINKS, links);
    }
}

Example 7 with IntermediateLink

use of io.automatiko.engine.workflow.bpmn2.core.IntermediateLink in project automatiko-engine by automatiko-io.

the class ProcessHandler method end.

@SuppressWarnings("unchecked")
public Object end(final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    parser.endElementBuilder();
    ExecutableProcess process = (ExecutableProcess) parser.getCurrent();
    List<IntermediateLink> throwLinks = (List<IntermediateLink>) process.getMetaData(LINKS);
    linkIntermediateLinks(process, throwLinks);
    List<SequenceFlow> connections = (List<SequenceFlow>) process.getMetaData(CONNECTIONS);
    linkConnections(process, connections);
    linkBoundaryEvents(process);
    // This must be done *after* linkConnections(process, connections)
    // because it adds hidden connections for compensations
    List<Association> associations = (List<Association>) process.getMetaData(ASSOCIATIONS);
    linkAssociations((Definitions) process.getMetaData("Definitions"), process, associations);
    List<Lane> lanes = (List<Lane>) process.getMetaData(LaneHandler.LANES);
    assignLanes(process, lanes);
    postProcessNodes(process, process);
    // process tags if any defined
    processTags(process);
    return process;
}

Example 8 with IntermediateLink

use of io.automatiko.engine.workflow.bpmn2.core.IntermediateLink in project jbpm by kiegroup.

the class ProcessHandler method linkIntermediateLinks.

public static void linkIntermediateLinks(NodeContainer process, List<IntermediateLink> links) {
    if (links == null) {
        return;
    }
    Map<String, IntermediateLink> catchLinks = new HashMap<>();
    Map<String, Collection<IntermediateLink>> throwLinks = new HashMap<>();
    Collection<IntermediateLink> noNameLinks = new ArrayList<>();
    Collection<IntermediateLink> duplicatedTarget = new LinkedHashSet<>();
    Collection<IntermediateLink> unconnectedTarget = new ArrayList<>();
    // collect errors and nodes in first loop
    for (IntermediateLink link : links) {
        if (link.getName() == null || link.getName().isEmpty()) {
            noNameLinks.add(link);
        } else if (link.isThrowLink()) {
            throwLinks.computeIfAbsent(link.getName(), s -> new ArrayList<>()).add(link);
        } else {
            IntermediateLink duplicateLink = catchLinks.putIfAbsent(link.getName(), link);
            if (duplicateLink != null) {
                duplicatedTarget.add(duplicateLink);
                duplicatedTarget.add(link);
            }
        }
    }
    // second loop for connection
    for (IntermediateLink catchLink : catchLinks.values()) {
        Collection<IntermediateLink> associatedLinks = throwLinks.remove(catchLink.getName());
        if (associatedLinks != null) {
            // connect throw to catch
            Node catchNode = findNodeByIdOrUniqueIdInMetadata(process, catchLink.getUniqueId());
            if (catchNode != null) {
                for (IntermediateLink throwLink : associatedLinks) {
                    Node throwNode = findNodeByIdOrUniqueIdInMetadata(process, throwLink.getUniqueId());
                    if (throwNode != null) {
                        Connection result = new ConnectionImpl(throwNode, NodeImpl.CONNECTION_DEFAULT_TYPE, catchNode, NodeImpl.CONNECTION_DEFAULT_TYPE);
                        result.setMetaData("linkNodeHidden", "yes");
                    }
                }
            }
        } else {
            unconnectedTarget.add(catchLink);
        }
    }
    // throw exception if any error (this is done at the end of the process to show the user as much errors as possible)
    StringBuilder errors = new StringBuilder();
    if (!noNameLinks.isEmpty()) {
        formatError(errors, "These nodes do not have a name ", noNameLinks.stream(), process);
    }
    if (!duplicatedTarget.isEmpty()) {
        formatError(errors, "\nThere are multiple catch nodes with the same name ", duplicatedTarget.stream(), process);
    }
    if (!unconnectedTarget.isEmpty()) {
        formatError(errors, "\nThere is not connection from any throw link to these catch links ", unconnectedTarget.stream(), process);
    }
    if (!throwLinks.isEmpty()) {
        formatError(errors, "\nThere is not connection from any catch link to these throw links ", throwLinks.values().stream().flatMap(Collection::stream), process);
    }
    if (errors.length() > 0) {
        throw new IllegalArgumentException(errors.toString());
    }
}

Example 9 with IntermediateLink

use of io.automatiko.engine.workflow.bpmn2.core.IntermediateLink in project jbpm by kiegroup.

the class ProcessHandler method end.

@SuppressWarnings("unchecked")
public Object end(final String uri, final String localName, final ExtensibleXmlParser parser) throws SAXException {
    parser.endElementBuilder();
    RuleFlowProcess process = (RuleFlowProcess) parser.getCurrent();
    List<IntermediateLink> throwLinks = (List<IntermediateLink>) process.getMetaData(LINKS);
    linkIntermediateLinks(process, throwLinks);
    List<SequenceFlow> connections = (List<SequenceFlow>) process.getMetaData(CONNECTIONS);
    linkConnections(process, connections);
    linkBoundaryEvents(process);
    // This must be done *after* linkConnections(process, connections)
    // because it adds hidden connections for compensations
    List<Association> associations = (List<Association>) process.getMetaData(ASSOCIATIONS);
    linkAssociations((Definitions) process.getMetaData("Definitions"), process, associations);
    List<Lane> lanes = (List<Lane>) process.getMetaData(LaneHandler.LANES);
    assignLanes(process, lanes);
    postProcessNodes(process, process);
    postProcessCollaborations(process, parser);
    return process;
}

Example 10 with IntermediateLink

use of io.automatiko.engine.workflow.bpmn2.core.IntermediateLink in project jbpm by kiegroup.

the class IntermediateThrowEventHandler method handleLinkNode.

protected void handleLinkNode(Element element, Node node, org.w3c.dom.Node xmlLinkNode, ExtensibleXmlParser parser) {
    node.setName(element.getAttribute("name"));
    NamedNodeMap linkAttr = xmlLinkNode.getAttributes();
    String name = linkAttr.getNamedItem("name").getNodeValue();
    String id = element.getAttribute("id");
    node.setMetaData("UniqueId", id);
    node.setMetaData(LINK_NAME, name);
    org.w3c.dom.Node xmlNode = xmlLinkNode.getFirstChild();
    NodeContainer nodeContainer = (NodeContainer) parser.getParent();
    IntermediateLink aLink = new IntermediateLink();
    aLink.setName(name);
    aLink.setUniqueId(id);
    while (null != xmlNode) {
        String nodeName = xmlNode.getNodeName();
        if (LINK_TARGET.equals(nodeName)) {
            String target = xmlNode.getTextContent();
            node.setMetaData(LINK_TARGET, target);
        }
        if (LINK_SOURCE.equals(nodeName)) {
            String source = xmlNode.getTextContent();
            ArrayList<String> sources = (ArrayList<String>) node.getMetaData().get(LINK_SOURCE);
            // if there is no list, create one
            if (null == sources) {
                sources = new ArrayList<String>();
            }
            // to connect nodes.
            aLink.addSource(source);
            // to do the xml dump
            sources.add(source);
            node.setMetaData(LINK_SOURCE, sources);
        }
        xmlNode = xmlNode.getNextSibling();
    }
    aLink.configureThrow();
    if (nodeContainer instanceof RuleFlowProcess) {
        RuleFlowProcess process = (RuleFlowProcess) nodeContainer;
        List<IntermediateLink> links = (List<IntermediateLink>) process.getMetaData().get(ProcessHandler.LINKS);
        if (null == links) {
            links = new ArrayList<IntermediateLink>();
        }
        links.add(aLink);
        process.setMetaData(ProcessHandler.LINKS, links);
    } else if (nodeContainer instanceof CompositeNode) {
        CompositeNode subprocess = (CompositeNode) nodeContainer;
        List<IntermediateLink> links = (List<IntermediateLink>) subprocess.getMetaData().get(ProcessHandler.LINKS);
        if (null == links) {
            links = new ArrayList<IntermediateLink>();
        }
        links.add(aLink);
        subprocess.setMetaData(ProcessHandler.LINKS, links);
    }
}