Examples of com.catify.processengine.core.data.model.entities.FlowNode

Package com.catify.processengine.core.data.model.entities

Examples of com.catify.processengine.core.data.model.entities.FlowNode

com.catify.processengine.core.data.model.entities.FlowNode
The FlowNode is equivalent to the flow node in bpmn. This is its database representation. All inherited flow nodes (like Events, Tasks etc.) are saved in the database as FlowNodes. The actual implementation that this node represents is stored in the field {@link nodeType}. A FlowNode has an incoming relationship from its process and outgoing {@link HasInstance} relationships to its{@link FlowNodeInstances}.

Level 2 of the database process representation. @author christopher köster

   * @see com.catify.processengine.core.data.services.FlowNodeRepositoryService#delete(java.lang.String)
   */
  @Override
  public boolean delete(String uniqueFlowNodeId) {


    FlowNode flowNode = findByUniqueFlowNodeId(uniqueFlowNodeId);


    if (flowNode != null) {
      flowNodeRepository.delete(flowNode);
      return true;
    } else {

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   * @see com.catify.processengine.core.data.services.FlowNodeRepositoryService#getOrCreateFlowNode(com.catify.processengine.core.data.model.entities.FlowNode)
   */
  @Override
  public FlowNode getOrCreateFlowNode(FlowNode proposedFlowNode) {
    
    FlowNode node = findByUniqueFlowNodeId(proposedFlowNode.getUniqueFlowNodeId());


    if (node == null) {
      return this.save(proposedFlowNode);
    }

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   * @param processInstanceId the process instance id
   */
  @Transactional
  public void createSubProcessInstance(String parentUniqueFlowNodeId, String processInstanceId) {
    
    FlowNode subProcessFlowNode = flowNodeRepositoryService.findByUniqueFlowNodeId(parentUniqueFlowNodeId);
    
    LOG.debug(String.format(
        "Starting to instantiate sub-process %s with instanceId %s",
        subProcessFlowNode.getName(), processInstanceId));


    Set<FlowNode> flowNodes = neo4jTemplate.fetch(subProcessFlowNode.getSubProcessNodes());
    
    createFlowNodeInstances(processInstanceId, flowNodes);
    
    LOG.debug(String.format(
        "Finished instantiating process %s with instanceId %s",

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    Iterable<Map<String,Object>> result = flowNodeInstanceRepositoryService.findAllFlowNodeInstancesAndFlowNodeIds(uniqueProcessId, processInstanceId);
    for (Map<String, Object> map : result) {
      FlowNodeInstance flowNodeInstance = neo4jTemplate.convert(map.get("flownodeinstance"), FlowNodeInstance.class);
      String flowNodeId = (String) map.get("flownode.uniqueFlowNodeId");
      
      FlowNode archivedFlowNode = flowNodeRepositoryService.findArchivedByRunningUniqueFlowNodeId(flowNodeId);
      flowNodeInstance.moveToArchive(archivedFlowNode, processInstanceId);
    }
    
    // save the process instance node to the archived process node 
    ProcessNode archivedProcessNode = processRepositoryService.findArchivedByRunningUniqueProcessId(uniqueProcessId);

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    // create the top level flow nodes and connect them to the process
    for (TFlowNode flowNodeJaxb : flowNodesJaxb) {


      // create running nodes (database)
      FlowNode runningFlowNode = createRunningFlowNode(clientId, processJaxb, flowNodeJaxb, subProcessesJaxb, runningParentNode);
      jaxbToNeo4jRunningProcess.put(flowNodeJaxb, runningFlowNode);


      // create archive nodes (database)
      FlowNode archiveFlowNode = createArchiveFlowNode(clientId, processJaxb, flowNodeJaxb, subProcessesJaxb, archiveParentNode);
      jaxbToNeo4jArchiveProcess.put(flowNodeJaxb, archiveFlowNode);
  
      // create service nodes (runtime)
      createNodeServiceActor(clientId, processJaxb, subProcessesJaxb, flowNodeJaxb, sequenceFlowsJaxb);

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   */
  private FlowNode createRunningFlowNode(String clientId, TProcess processJaxb, TFlowNode flowNodeJaxb, 
      ArrayList<TSubProcess> subProcessesJaxb, Object runningParentNode) {


    // create running flow node
    FlowNode runningFlowNode = flowNodeRepositoryService.getOrCreateFlowNode(
        FlowNodeFactory.createFlowNode(flowNodeJaxb, 
            IdService.getUniqueFlowNodeId(clientId, processJaxb, subProcessesJaxb, flowNodeJaxb)));
    
    LOG.debug(String.format("Added %s as %s with grapId: %s to neo4j db (running node)",
        flowNodeJaxb.getName(), runningFlowNode, runningFlowNode.getGraphId()));
    
    // depending on the type of the parent node, add a relationship between the new flow node and its parent
    if (runningParentNode instanceof ProcessNode) {
      ((ProcessNode) runningParentNode).addRelationshipToFlowNode(runningFlowNode);    
    } else if (runningParentNode instanceof FlowNode) {

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   * @return the flow node
   */
  private FlowNode createArchiveFlowNode(String clientId, TProcess processJaxb, TFlowNode flowNodeJaxb, 
      ArrayList<TSubProcess> subProcessesJaxb, Object archiveParentNode) {
    // create archive node
    FlowNode archiveFlowNode = flowNodeRepositoryService.getOrCreateFlowNode(
        FlowNodeFactory.createFlowNode(flowNodeJaxb, 
            IdService.ARCHIVEPREFIX + IdService.getUniqueFlowNodeId(clientId, processJaxb, subProcessesJaxb, flowNodeJaxb)));
    
    LOG.debug(String.format("Added %s as %s with grapId: %s to neo4j db (archive node)",
        flowNodeJaxb.getName(), archiveFlowNode, archiveFlowNode.getGraphId()));
    
    // depending on the type of the parent node, add a relationship between the new flow node and its parent
    if (archiveParentNode instanceof ProcessNode) {
      ((ProcessNode) archiveParentNode).addRelationshipToFlowNode(archiveFlowNode);
    } else if (archiveParentNode instanceof FlowNode) {

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   *            node objects
   */
  private void connectFlowNodes(TSequenceFlow sequenceFlowJaxb,
      Map<TFlowNode, FlowNode> jaxbToNeo4j) {


    FlowNode sourceNode = jaxbToNeo4j.get(sequenceFlowJaxb.getSourceRef());
    FlowNode targetNode = jaxbToNeo4j.get(sequenceFlowJaxb.getTargetRef());


    sourceNode.addFollowingFlowNodes(neo4jTemplate, targetNode);


    LOG.debug(String.format("Connecting %s:%s and %s:%s in neo4j db",
        sourceNode.getClass().getSimpleName(), sourceNode
            .getUniqueFlowNodeId(), targetNode.getClass()
            .getSimpleName(), targetNode.getUniqueFlowNodeId()));
  }

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com.catify.processengine.core.data.services.impl.SpringDataFlowNodeRepositoryService

com.catify.processengine.core.EntityInitialization

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