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

Example 21 with Association

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

the class ProcessHandler method linkAssociations.

public static void linkAssociations(Definitions definitions, NodeContainer nodeContainer, List<Association> associations) {
    if (associations != null) {
        for (Association association : associations) {
            String sourceRef = association.getSourceRef();
            Object source = null;
            try {
                source = findNodeOrDataStoreByUniqueId(definitions, nodeContainer, sourceRef, "Could not find source [" + sourceRef + "] for association " + association.getId() + "]");
            } catch (IllegalArgumentException e) {
            // source not found
            }
            String targetRef = association.getTargetRef();
            Object target = null;
            try {
                target = findNodeOrDataStoreByUniqueId(definitions, nodeContainer, targetRef, "Could not find target [" + targetRef + "] for association [" + association.getId() + "]");
            } catch (IllegalArgumentException e) {
            // target not found
            }
            if (source == null || target == null) {
            // TODO: ignoring this association for now
            } else if (target instanceof DataStore || source instanceof DataStore) {
            // TODO: ignoring data store associations for now
            } else if (source instanceof EventNode) {
                EventNode sourceNode = (EventNode) source;
                Node targetNode = (Node) target;
                checkBoundaryEventCompensationHandler(association, sourceNode, targetNode);
                // make sure IsForCompensation is set to true on target
                NodeImpl targetNodeImpl = (NodeImpl) target;
                String isForCompensation = "isForCompensation";
                Object compensationObject = targetNodeImpl.getMetaData(isForCompensation);
                if (compensationObject == null) {
                    targetNodeImpl.setMetaData(isForCompensation, true);
                    logger.warn("Setting {} attribute to true for node {}", isForCompensation, targetRef);
                } else if (!Boolean.parseBoolean(compensationObject.toString())) {
                    throw new IllegalArgumentException(isForCompensation + " attribute [" + compensationObject + "] should be true for Compensation Activity [" + targetRef + "]");
                }
                // put Compensation Handler in CompensationHandlerNode
                NodeContainer sourceParent = sourceNode.getParentContainer();
                NodeContainer targetParent = targetNode.getParentContainer();
                if (!sourceParent.equals(targetParent)) {
                    throw new IllegalArgumentException("Compensation Associations may not cross (sub-)process boundaries,");
                }
                // connect boundary event to compensation activity
                ConnectionImpl connection = new ConnectionImpl(sourceNode, NodeImpl.CONNECTION_DEFAULT_TYPE, targetNode, NodeImpl.CONNECTION_DEFAULT_TYPE);
                connection.setMetaData("UniqueId", association.getId());
                connection.setMetaData("hidden", true);
                connection.setMetaData("association", true);
            // Compensation use cases:
            // - boundary event --associated-> activity
            // - implicit sub process compensation handler + recursive?
            /**
             * BPMN2 spec, p.442: "A Compensation Event Sub-process becomes enabled when its
             * parent Activity transitions into state Completed. At that time, a snapshot of
             * the data associated with the parent Acitivity is taken and kept for later
             * usage by the Compensation Event Sub-Process."
             */
            }
        }
    }
}

Example 22 with Association

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

the class XmlBPMNProcessDumper method visitProcess.

protected void visitProcess(WorkflowProcess process, StringBuilder xmlDump, int metaDataType) {
    String targetNamespace = (String) process.getMetaData().get("TargetNamespace");
    if (targetNamespace == null) {
        targetNamespace = "https://automatiko.io";
    }
    xmlDump.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?> " + EOL + "<definitions id=\"Definition\"" + EOL + "             targetNamespace=\"" + targetNamespace + "\"" + EOL + "             typeLanguage=\"http://www.java.com/javaTypes\"" + EOL + "             expressionLanguage=\"http://www.mvel.org/2.0\"" + EOL + "             xmlns=\"http://www.omg.org/spec/BPMN/20100524/MODEL\"" + EOL + "             xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" + EOL + "             xsi:schemaLocation=\"http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd\"" + EOL + "             xmlns:g=\"https://automatiko.io/flow/gpd\"" + EOL + (metaDataType == META_DATA_USING_DI ? "             xmlns:bpmndi=\"http://www.omg.org/spec/BPMN/20100524/DI\"" + EOL + "             xmlns:dc=\"http://www.omg.org/spec/DD/20100524/DC\"" + EOL + "             xmlns:di=\"http://www.omg.org/spec/DD/20100524/DI\"" + EOL : "") + "             xmlns:tns=\"https://automatiko.io\">" + EOL + EOL);
    // item definitions
    this.visitedVariables = new HashSet<String>();
    VariableScope variableScope = (VariableScope) ((io.automatiko.engine.workflow.base.core.Process) process).getDefaultContext(VariableScope.VARIABLE_SCOPE);
    Set<String> dumpedItemDefs = new HashSet<String>();
    Map<String, ItemDefinition> itemDefs = (Map<String, ItemDefinition>) process.getMetaData().get("ItemDefinitions");
    if (itemDefs != null) {
        for (ItemDefinition def : itemDefs.values()) {
            xmlDump.append("  <itemDefinition id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(def.getId()) + "\" ");
            if (def.getStructureRef() != null && !"java.lang.Object".equals(def.getStructureRef())) {
                xmlDump.append("structureRef=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(def.getStructureRef()) + "\" ");
            }
            xmlDump.append("/>" + EOL);
            dumpedItemDefs.add(def.getId().intern());
        }
    }
    visitVariableScope(variableScope, "_", xmlDump, dumpedItemDefs);
    visitSubVariableScopes(process.getNodes(), xmlDump, dumpedItemDefs);
    visitInterfaces(process.getNodes(), xmlDump);
    visitEscalations(process.getNodes(), xmlDump, new ArrayList<String>());
    Definitions def = (Definitions) process.getMetaData().get("Definitions");
    visitErrors(def, xmlDump);
    // data stores
    if (def != null && def.getDataStores() != null) {
        for (DataStore dataStore : def.getDataStores()) {
            visitDataStore(dataStore, xmlDump);
        }
    }
    // the process itself
    xmlDump.append("  <process processType=\"Private\" isExecutable=\"true\" ");
    if (process.getId() == null || process.getId().trim().length() == 0) {
        ((ProcessImpl) process).setId("com.sample.bpmn2");
    }
    xmlDump.append("id=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(process.getId()) + "\" ");
    if (process.getName() != null) {
        xmlDump.append("name=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(process.getName()) + "\" ");
    }
    String packageName = process.getPackageName();
    if (packageName != null && !"io.automatiko.processes".equals(packageName)) {
        xmlDump.append("tns:packageName=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(packageName) + "\" ");
    }
    if (((io.automatiko.engine.workflow.process.core.WorkflowProcess) process).isDynamic()) {
        xmlDump.append("tns:adHoc=\"true\" ");
    }
    String version = process.getVersion();
    if (version != null && !"".equals(version)) {
        xmlDump.append("tns:version=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(version) + "\" ");
    }
    // TODO: package, version
    xmlDump.append(">" + EOL + EOL);
    visitHeader(process, xmlDump, metaDataType);
    List<io.automatiko.engine.workflow.process.core.Node> processNodes = new ArrayList<io.automatiko.engine.workflow.process.core.Node>();
    for (Node procNode : process.getNodes()) {
        processNodes.add((io.automatiko.engine.workflow.process.core.Node) procNode);
    }
    visitNodes(processNodes, xmlDump, metaDataType);
    visitConnections(process.getNodes(), xmlDump, metaDataType);
    // add associations
    List<Association> associations = (List<Association>) process.getMetaData().get(ProcessHandler.ASSOCIATIONS);
    if (associations != null) {
        for (Association association : associations) {
            visitAssociation(association, xmlDump);
        }
    }
    xmlDump.append("  </process>" + EOL + EOL);
    if (metaDataType == META_DATA_USING_DI) {
        xmlDump.append("  <bpmndi:BPMNDiagram>" + EOL + "    <bpmndi:BPMNPlane bpmnElement=\"" + XmlBPMNProcessDumper.replaceIllegalCharsAttribute(process.getId()) + "\" >" + EOL);
        visitNodesDi(process.getNodes(), xmlDump);
        visitConnectionsDi(process.getNodes(), xmlDump);
        xmlDump.append("    </bpmndi:BPMNPlane>" + EOL + "  </bpmndi:BPMNDiagram>" + EOL + EOL);
    }
    xmlDump.append("</definitions>");
}

Example 23 with Association

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

the class SubProcessHandler method handleCompositeContextNode.

@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);
    handleScript(compositeNode, element, "onEntry");
    handleScript(compositeNode, element, "onExit");
    List<IntermediateLink> throwLinks = (List<IntermediateLink>) compositeNode.getMetaData(ProcessHandler.LINKS);
    ProcessHandler.linkIntermediateLinks(compositeNode, throwLinks);
    ProcessHandler processHandler = new ProcessHandler();
    processHandler.linkConnections(compositeNode, connections);
    processHandler.linkBoundaryEvents(compositeNode);
    // This must be done *after* linkConnections(process, connections)
    // because it adds hidden connections for compensations
    List<Association> associations = (List<Association>) compositeNode.getMetaData(ProcessHandler.ASSOCIATIONS);
    ProcessHandler.linkAssociations((Definitions) compositeNode.getMetaData("Definitions"), compositeNode, associations);
// TODO: do we fully support interruping ESP's?
/**
 * for( org.kie.api.definition.process.Node subNode : compositeNode.getNodes() )
 * { if( subNode instanceof StartNode ) { if( ! ((StartNode)
 * subNode).isInterrupting() ) { throw new
 * IllegalArgumentException("Non-interrupting event subprocesses are not yet
 * fully supported." ); } } }
 */
}