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

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

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

com.catify.processengine.core.data.model.entities.FlowNodeInstance
The FlowNodeInstance holds the instance information for a single flow node. The most important part being the state this flow node instance is in. The FlowNodeInstance has a single {@link FlowNode} incoming {@link HasInstance}relationship. This relationship holds the information about the process instance id. It also is connected to (multiple) following instances that are connected to it on {@link FlowNode} level.

Level 3 of the database process representation. @author christopher köster

   */
  @Override
  public Iterable<FlowNodeInstance> findLoosingFlowNodeInstances(
      String uniqueProcessId, String uniqueFlowNodeId, String instanceId) {


    FlowNodeInstance startingNode = this.findFlowNodeInstance(
        uniqueProcessId, uniqueFlowNodeId, instanceId);
    
    return flowNodeInstanceRepository.findAllByTraversal(startingNode,
        getTraversalDescriptionStopOnStatePassed());
  }

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   */
  @Override
  public Set<String> findLoosingFlowNodeIds(
      String uniqueProcessId, String uniqueFlowNodeId, String instanceId) {


    FlowNodeInstance startingNode = this.findFlowNodeInstance(
        uniqueProcessId, uniqueFlowNodeId, instanceId);
        
    return flowNodeInstanceRepository.findPreviousFlowNodeIdsNotInGivenStates(
        startingNode.getGraphId(), NodeInstaceStates.PASSED_STATE, NodeInstaceStates.DEACTIVATED_STATE);
  }

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    // operation) to avoid unnecessary db lookups
    if (this.nodeInstance == null
        || !this.nodeInstance.getHasInstanceRelationship()
            .getInstanceId().equals(processInstanceId)) {
      
      FlowNodeInstance flowNodeInstance = flowNodeInstanceRepositoryService.findFlowNodeInstance(
          uniqueProcessId, uniqueFlowNodeId, processInstanceId);
      
      LOG.debug(String.format(
          "Searching FlowNodeInstance in db with parameters: %s, %s, %s. Found: %s",
          uniqueProcessId, uniqueFlowNodeId, processInstanceId,

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    // create relationships between process instance node and start node instances
    // TODO: this is a pretty costly operation and should be evaluated
    for (FlowNode flowNode : flowNodes) {
      if (flowNode.getNodeType().equals(TStartEvent.class.toString())) {
        FlowNodeInstance startNodeInstance = flowNodeInstanceRepositoryService
        .findFlowNodeInstance(uniqueProcessId, flowNode.getUniqueFlowNodeId(), processInstanceId);
        processInstanceNode.addRelationshipToStartEventInstance(startNodeInstance);
      }
    }

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    for (FlowNode flowNode : flowNodes) {
      LOG.debug(String
          .format("FlowNode to be instantiated: %s:%s", flowNode.getFlowNodeId(), flowNode.getNodeType()));
      
      FlowNodeInstance flowNodeInstance = new FlowNodeInstance(
          NodeInstaceStates.INACTIVE_STATE,
          flowNode.getFiredFlowsNeeded());
      
      flowNodeInstance.addAsInstanceOf(flowNode, processInstanceId);
      
      flowNodeInstanceRepositoryService.save(flowNodeInstance);
      
      flowNodeInstances.put(flowNode, flowNodeInstance);
    }   
    
    // create relationships between the node instances
    for (FlowNode flowNode : flowNodeInstances.keySet()) {
      
      // get the flow node this instance node is an instance of (it has
      // the needed relationship information)
      FlowNodeInstance flowNodeInstance = flowNodeInstances.get(flowNode);
      
      // mirror the flow node relationships to the flow node instances
      for (FlowNode followingFlowNode : neo4jTemplate.fetch(flowNode.getFollowingFlowNodes())) {


        // (TODO: evaluate if a query beginning at the process might be faster)
        FlowNodeInstance followingFlowNodeInstance = flowNodeInstanceRepositoryService
            .findFlowNodeInstance(followingFlowNode.getGraphId(),
                processInstanceId);


        flowNodeInstance.addFollowingInstance(followingFlowNodeInstance);

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  public void archiveProcessInstance(String uniqueProcessId, String processInstanceId, Date endTime) {  
    
    // save the flow node instances to their archived flow nodes
    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);
    ProcessInstanceNode processInstanceNode = loadProcessInstanceNode(uniqueProcessId, processInstanceId);

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Related Classes of com.catify.processengine.core.data.model.entities.FlowNodeInstance

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

com.catify.processengine.core.services.NodeInstanceMediatorService

com.catify.processengine.core.services.ProcessInstanceMediatorService

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