Examples with HistoricActivityInstanceQuery org.flowable.engine.history.HistoricActivityInstanceQuery used on opensource projects

Example 1 with HistoricActivityInstanceQuery

use of org.flowable.engine.history.HistoricActivityInstanceQuery in project RuoYi-Flowable-Plus by KonBAI-Q.

the class WfTaskServiceImpl method getFlowViewer.

/**
 * 获取流程执行过程
 *
 * @param procInsId
 * @return
 */
@Override
public WfViewerVo getFlowViewer(String procInsId) {
    // 构建查询条件
    HistoricActivityInstanceQuery query = historyService.createHistoricActivityInstanceQuery().processInstanceId(procInsId);
    List<HistoricActivityInstance> allActivityInstanceList = query.list();
    if (CollUtil.isEmpty(allActivityInstanceList)) {
        return new WfViewerVo();
    }
    // 获取流程发布Id信息
    String processDefinitionId = allActivityInstanceList.get(0).getProcessDefinitionId();
    BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinitionId);
    if (ObjectUtil.isNull(bpmnModel)) {
        throw new ServiceException("流程模型不存在");
    }
    Map<String, List<String>> sequenceElementMap = new HashMap<>();
    Map<String, String> sequenceFlowMap = new HashMap<>();
    Collection<FlowElement> flowElements = bpmnModel.getMainProcess().getFlowElements();
    for (FlowElement flowElement : flowElements) {
        if (flowElement instanceof SequenceFlow) {
            SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
            String sourceRef = sequenceFlow.getSourceRef();
            String targetRef = sequenceFlow.getTargetRef();
            List<String> targetRefList = sequenceElementMap.get(sourceRef);
            if (CollUtil.isEmpty(targetRefList)) {
                sequenceElementMap.put(sourceRef, ListUtil.toList(targetRef));
            } else {
                targetRefList.add(targetRef);
            }
            sequenceFlowMap.put(sourceRef + targetRef, sequenceFlow.getId());
        }
    }
    // 查询所有已完成的元素
    List<HistoricActivityInstance> finishedElementList = allActivityInstanceList.stream().filter(item -> ObjectUtil.isNotNull(item.getEndTime())).collect(Collectors.toList());
    // 所有已完成的连线
    Set<String> finishedSequenceFlowSet = new HashSet<>();
    // 所有已完成的任务节点
    Set<String> finishedTaskSet = new HashSet<>();
    finishedElementList.forEach(item -> {
        if ("sequenceFlow".equals(item.getActivityType())) {
            finishedSequenceFlowSet.add(item.getActivityId());
        } else {
            finishedTaskSet.add(item.getActivityId());
        }
    });
    // 查询所有未结束的节点
    Set<String> unfinishedTaskSet = allActivityInstanceList.stream().filter(item -> ObjectUtil.isNull(item.getEndTime())).map(HistoricActivityInstance::getActivityId).collect(Collectors.toSet());
    Set<String> rejectedTaskSet = new LinkedHashSet<>();
    Set<String> sourceTaskSet = unfinishedTaskSet;
    while (CollUtil.isNotEmpty(sourceTaskSet)) {
        Set<String> nextIdSet = new HashSet<>();
        for (String previousId : sourceTaskSet) {
            List<String> nextIdList = sequenceElementMap.get(previousId);
            if (CollUtil.isEmpty(nextIdList)) {
                continue;
            }
            nextIdList.forEach(nextId -> {
                if (finishedTaskSet.contains(nextId)) {
                    nextIdSet.add(nextId);
                    String rejectedSequenceFlow = sequenceFlowMap.get(previousId + nextId);
                    if (finishedSequenceFlowSet.contains(rejectedSequenceFlow)) {
                        nextIdSet.add(rejectedSequenceFlow);
                    }
                }
            });
        }
        rejectedTaskSet.addAll(nextIdSet);
        sourceTaskSet = nextIdSet;
    }
    return new WfViewerVo(finishedTaskSet, finishedSequenceFlowSet, unfinishedTaskSet, rejectedTaskSet);
}