perf(办公管理): 优化 退回任务限制只能退回串行节点

This commit is contained in:
konbai
2023-04-22 22:33:47 +08:00
parent 227edcf152
commit f5c4095ecb
3 changed files with 91 additions and 51 deletions

View File

@@ -310,4 +310,64 @@ public class ModelUtils {
}
return userTaskList;
}
/**
* 迭代从后向前扫描,判断目标节点相对于当前节点是否是串行
* 不存在直接回退到子流程中的情况,但存在从子流程出去到父流程情况
* @param source 起始节点
* @param target 目标节点
* @param visitedElements 已经经过的连线的 ID用于判断线路是否重复
* @return 结果
*/
public static boolean isSequentialReachable(FlowElement source, FlowElement target, Set<String> visitedElements) {
visitedElements = visitedElements == null ? new HashSet<>() : visitedElements;
if (source instanceof StartEvent && isInEventSubprocess(source)) {
return false;
}
// 根据类型,获取入口连线
List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
if (sequenceFlows != null && sequenceFlows.size() > 0) {
// 循环找到目标元素
for (SequenceFlow sequenceFlow: sequenceFlows) {
// 如果发现连线重复,说明循环了,跳过这个循环
if (visitedElements.contains(sequenceFlow.getId())) {
continue;
}
// 添加已经走过的连线
visitedElements.add(sequenceFlow.getId());
FlowElement sourceFlowElement = sequenceFlow.getSourceFlowElement();
// 这条线路存在目标节点,这条线路完成,进入下个线路
if (target.getId().equals(sourceFlowElement.getId())) {
continue;
}
// 如果目标节点为并行网关,则不继续
if (sourceFlowElement instanceof ParallelGateway) {
return false;
}
// 否则就继续迭代
boolean isSequential = isSequentialReachable(sourceFlowElement, target, visitedElements);
if (!isSequential) {
return false;
}
}
}
return true;
}
protected static boolean isInEventSubprocess(FlowElement flowElement) {
FlowElementsContainer flowElementsContainer = flowElement.getParentContainer();
while (flowElementsContainer != null) {
if (flowElementsContainer instanceof EventSubProcess) {
return true;
}
if (flowElementsContainer instanceof FlowElement) {
flowElementsContainer = ((FlowElement) flowElementsContainer).getParentContainer();
} else {
flowElementsContainer = null;
}
}
return false;
}
}