bpm:优化 BpmnModelUtils
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package cn.iocoder.yudao.framework.flowable.core.util;
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import cn.hutool.core.collection.CollUtil;
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import org.flowable.bpmn.converter.BpmnXMLConverter;
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import org.flowable.bpmn.model.Process;
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import org.flowable.bpmn.model.*;
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import java.util.*;
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/**
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* 流程模型转操作工具类
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*/
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public class BpmnModelUtils {
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/**
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* 根据节点,获取入口连线
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*
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* @param source 起始节点
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* @return 入口连线列表
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*/
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public static List<SequenceFlow> getElementIncomingFlows(FlowElement source) {
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if (source instanceof FlowNode) {
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return ((FlowNode) source).getIncomingFlows();
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}
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return new ArrayList<>();
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}
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/**
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* 根据节点,获取出口连线
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*
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* @param source 起始节点
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* @return 出口连线列表
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*/
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public static List<SequenceFlow> getElementOutgoingFlows(FlowElement source) {
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if (source instanceof FlowNode) {
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return ((FlowNode) source).getOutgoingFlows();
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}
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return new ArrayList<>();
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}
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/**
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* 获取流程元素信息
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*
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* @param model bpmnModel 对象
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* @param flowElementId 元素 ID
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* @return 元素信息
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*/
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public static FlowElement getFlowElementById(BpmnModel model, String flowElementId) {
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Process process = model.getMainProcess();
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return process.getFlowElement(flowElementId);
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}
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/**
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* 获得 BPMN 流程中,指定的元素们
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*
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* @param model
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* @param clazz 指定元素。例如说,{@link UserTask}、{@link Gateway} 等等
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* @return 元素们
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*/
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public static <T extends FlowElement> List<T> getBpmnModelElements(BpmnModel model, Class<T> clazz) {
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List<T> result = new ArrayList<>();
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model.getProcesses().forEach(process -> {
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process.getFlowElements().forEach(flowElement -> {
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if (flowElement.getClass().isAssignableFrom(clazz)) {
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result.add((T) flowElement);
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}
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});
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});
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return result;
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}
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/**
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* 比较 两个bpmnModel 是否相同
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* @param oldModel 老的bpmn model
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* @param newModel 新的bpmn model
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*/
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public static boolean equals(BpmnModel oldModel, BpmnModel newModel) {
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// 由于 BpmnModel 未提供 equals 方法,所以只能转成字节数组,进行比较
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return Arrays.equals(getBpmnBytes(oldModel), getBpmnBytes(newModel));
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}
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/**
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* 把 bpmnModel 转换成 byte[]
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* @param model bpmnModel
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*/
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public static byte[] getBpmnBytes(BpmnModel model) {
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if (model == null) {
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return new byte[0];
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}
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BpmnXMLConverter converter = new BpmnXMLConverter();
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return converter.convertToXML(model);
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}
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// ========== 遍历相关的方法 ==========
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/**
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* 找到 source 节点之前的所有用户任务节点
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*
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* @param source 起始节点
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* @param hasSequenceFlow 已经经过的连线的 ID,用于判断线路是否重复
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* @param userTaskList 已找到的用户任务节点
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* @return 用户任务节点 数组
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*/
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public static List<UserTask> getPreviousUserTaskList(FlowElement source, Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
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userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
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hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
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// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
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if (source instanceof StartEvent && source.getSubProcess() != null) {
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userTaskList = getPreviousUserTaskList(source.getSubProcess(), hasSequenceFlow, userTaskList);
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}
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// 根据类型,获取入口连线
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List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
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if (sequenceFlows == null) {
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return userTaskList;
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}
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// 循环找到目标元素
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for (SequenceFlow sequenceFlow : sequenceFlows) {
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// 如果发现连线重复,说明循环了,跳过这个循环
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if (hasSequenceFlow.contains(sequenceFlow.getId())) {
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continue;
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}
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// 添加已经走过的连线
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hasSequenceFlow.add(sequenceFlow.getId());
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// 类型为用户节点,则新增父级节点
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if (sequenceFlow.getSourceFlowElement() instanceof UserTask) {
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userTaskList.add((UserTask) sequenceFlow.getSourceFlowElement());
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}
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// 类型为子流程,则添加子流程开始节点出口处相连的节点
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if (sequenceFlow.getSourceFlowElement() instanceof SubProcess) {
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// 获取子流程用户任务节点
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List<UserTask> childUserTaskList = findChildProcessUserTaskList((StartEvent) ((SubProcess) sequenceFlow.getSourceFlowElement()).getFlowElements().toArray()[0], null, null);
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// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
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if (CollUtil.isNotEmpty(childUserTaskList)) {
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userTaskList.addAll(childUserTaskList);
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}
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}
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// 继续迭代
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userTaskList = getPreviousUserTaskList(sequenceFlow.getSourceFlowElement(), hasSequenceFlow, userTaskList);
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}
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return userTaskList;
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}
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/**
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* 迭代获取子流程用户任务节点
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*
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* @param source 起始节点
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* @param hasSequenceFlow 已经经过的连线的 ID,用于判断线路是否重复
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* @param userTaskList 需要撤回的用户任务列表
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* @return 用户任务节点
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*/
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public static List<UserTask> findChildProcessUserTaskList(FlowElement source, Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
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hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
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userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
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// 根据类型,获取出口连线
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List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
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if (sequenceFlows == null) {
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return userTaskList;
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}
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// 循环找到目标元素
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for (SequenceFlow sequenceFlow : sequenceFlows) {
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// 如果发现连线重复,说明循环了,跳过这个循环
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if (hasSequenceFlow.contains(sequenceFlow.getId())) {
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continue;
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}
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// 添加已经走过的连线
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hasSequenceFlow.add(sequenceFlow.getId());
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// 如果为用户任务类型,且任务节点的 Key 正在运行的任务中存在,添加
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if (sequenceFlow.getTargetFlowElement() instanceof UserTask) {
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userTaskList.add((UserTask) sequenceFlow.getTargetFlowElement());
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continue;
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}
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// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
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if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
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List<UserTask> childUserTaskList = findChildProcessUserTaskList((FlowElement) (((SubProcess) sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]), hasSequenceFlow, null);
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// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
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if (CollUtil.isNotEmpty(childUserTaskList)) {
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userTaskList.addAll(childUserTaskList);
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continue;
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}
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}
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// 继续迭代
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userTaskList = findChildProcessUserTaskList(sequenceFlow.getTargetFlowElement(), hasSequenceFlow, userTaskList);
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}
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return userTaskList;
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}
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/**
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* 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
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* 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
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*
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* @param source 起始节点
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* @param target 目标节点
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* @param visitedElements 已经经过的连线的 ID,用于判断线路是否重复
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* @return 结果
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*/
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public static boolean isSequentialReachable(FlowElement source, FlowElement target, Set<String> visitedElements) {
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visitedElements = visitedElements == null ? new HashSet<>() : visitedElements;
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// 不能是开始事件和子流程
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if (source instanceof StartEvent && isInEventSubprocess(source)) {
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return false;
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}
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// 根据类型,获取入口连线
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List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
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if (CollUtil.isEmpty(sequenceFlows)) {
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return true;
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}
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// 循环找到目标元素
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for (SequenceFlow sequenceFlow : sequenceFlows) {
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// 如果发现连线重复,说明循环了,跳过这个循环
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if (visitedElements.contains(sequenceFlow.getId())) {
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continue;
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}
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// 添加已经走过的连线
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visitedElements.add(sequenceFlow.getId());
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// 这条线路存在目标节点,这条线路完成,进入下个线路
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FlowElement sourceFlowElement = sequenceFlow.getSourceFlowElement();
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if (target.getId().equals(sourceFlowElement.getId())) {
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continue;
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}
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// 如果目标节点为并行网关,则不继续
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if (sourceFlowElement instanceof ParallelGateway) {
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return false;
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}
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// 否则就继续迭代
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if (!isSequentialReachable(sourceFlowElement, target, visitedElements)) {
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return false;
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}
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}
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return true;
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}
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/**
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* 判断当前节点是否属于不同的子流程
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*
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* @param flowElement 被判断的节点
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* @return true 表示属于子流程
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*/
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private static boolean isInEventSubprocess(FlowElement flowElement) {
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FlowElementsContainer flowElementsContainer = flowElement.getParentContainer();
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while (flowElementsContainer != null) {
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if (flowElementsContainer instanceof EventSubProcess) {
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return true;
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}
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if (flowElementsContainer instanceof FlowElement) {
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flowElementsContainer = ((FlowElement) flowElementsContainer).getParentContainer();
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} else {
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flowElementsContainer = null;
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}
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}
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return false;
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}
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/**
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* 根据正在运行的任务节点,迭代获取子级任务节点列表,向后找
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*
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* @param source 起始节点
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* @param runTaskKeyList 正在运行的任务 Key,用于校验任务节点是否是正在运行的节点
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* @param hasSequenceFlow 已经经过的连线的 ID,用于判断线路是否重复
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* @param userTaskList 需要撤回的用户任务列表
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* @return 子级任务节点列表
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*/
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public static List<UserTask> iteratorFindChildUserTasks(FlowElement source, List<String> runTaskKeyList,
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Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
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hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
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userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
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// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
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if (source instanceof StartEvent && source.getSubProcess() != null) {
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userTaskList = iteratorFindChildUserTasks(source.getSubProcess(), runTaskKeyList, hasSequenceFlow, userTaskList);
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}
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// 根据类型,获取出口连线
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List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
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if (sequenceFlows == null) {
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return userTaskList;
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}
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// 循环找到目标元素
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for (SequenceFlow sequenceFlow : sequenceFlows) {
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// 如果发现连线重复,说明循环了,跳过这个循环
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if (hasSequenceFlow.contains(sequenceFlow.getId())) {
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continue;
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}
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// 添加已经走过的连线
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hasSequenceFlow.add(sequenceFlow.getId());
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// 如果为用户任务类型,且任务节点的 Key 正在运行的任务中存在,添加
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if (sequenceFlow.getTargetFlowElement() instanceof UserTask && runTaskKeyList.contains((sequenceFlow.getTargetFlowElement()).getId())) {
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userTaskList.add((UserTask) sequenceFlow.getTargetFlowElement());
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continue;
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}
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// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
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if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
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List<UserTask> childUserTaskList = iteratorFindChildUserTasks((FlowElement) (((SubProcess) sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]), runTaskKeyList, hasSequenceFlow, null);
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// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
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if (CollUtil.isNotEmpty(childUserTaskList)) {
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userTaskList.addAll(childUserTaskList);
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continue;
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}
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}
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// 继续迭代
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userTaskList = iteratorFindChildUserTasks(sequenceFlow.getTargetFlowElement(), runTaskKeyList, hasSequenceFlow, userTaskList);
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}
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return userTaskList;
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}
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}
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@ -1,14 +1,7 @@
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package cn.iocoder.yudao.framework.flowable.core.util;
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import org.flowable.bpmn.converter.BpmnXMLConverter;
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import org.flowable.bpmn.model.BpmnModel;
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import org.flowable.bpmn.model.FlowElement;
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import org.flowable.common.engine.impl.identity.Authentication;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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/**
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* Flowable 相关的工具方法
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*
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@ -26,49 +19,6 @@ public class FlowableUtils {
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Authentication.setAuthenticatedUserId(null);
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}
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// ========== BPMN 相关的工具方法 ==========
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/**
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* 获得 BPMN 流程中,指定的元素们
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*
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* @param model
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* @param clazz 指定元素。例如说,{@link org.flowable.bpmn.model.UserTask}、{@link org.flowable.bpmn.model.Gateway} 等等
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* @return 元素们
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*/
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public static <T extends FlowElement> List<T> getBpmnModelElements(BpmnModel model, Class<T> clazz) {
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List<T> result = new ArrayList<>();
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model.getProcesses().forEach(process -> {
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process.getFlowElements().forEach(flowElement -> {
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if (flowElement.getClass().isAssignableFrom(clazz)) {
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result.add((T) flowElement);
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}
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});
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});
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return result;
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}
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/**
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* 比较 两个bpmnModel 是否相同
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* @param oldModel 老的bpmn model
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* @param newModel 新的bpmn model
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*/
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public static boolean equals(BpmnModel oldModel, BpmnModel newModel) {
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// 由于 BpmnModel 未提供 equals 方法,所以只能转成字节数组,进行比较
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return Arrays.equals(getBpmnBytes(oldModel), getBpmnBytes(newModel));
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}
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/**
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* 把 bpmnModel 转换成 byte[]
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* @param model bpmnModel
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*/
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public static byte[] getBpmnBytes(BpmnModel model) {
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if (model == null) {
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return new byte[0];
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}
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BpmnXMLConverter converter = new BpmnXMLConverter();
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return converter.convertToXML(model);
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}
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// ========== Execution 相关的工具方法 ==========
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public static String formatCollectionVariable(String activityId) {
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@ -1,272 +0,0 @@
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package cn.iocoder.yudao.framework.flowable.core.util;
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import org.flowable.bpmn.model.Process;
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import org.flowable.bpmn.model.*;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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/**
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* 流程模型转操作工具类
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*/
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public class ModelUtils {
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/**
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* 根据节点,获取入口连线
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*
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* @param source 起始节点
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* @return 入口连线列表
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*/
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public static List<SequenceFlow> getElementIncomingFlows(FlowElement source) {
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List<SequenceFlow> sequenceFlows = new ArrayList<>();
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if (source instanceof FlowNode) {
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sequenceFlows = ((FlowNode) source).getIncomingFlows();
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}
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return sequenceFlows;
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}
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/**
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* 根据节点,获取出口连线
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*
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* @param source 起始节点
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* @return 出口连线列表
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*/
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public static List<SequenceFlow> getElementOutgoingFlows(FlowElement source) {
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List<SequenceFlow> sequenceFlows = new ArrayList<>();
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if (source instanceof FlowNode) {
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sequenceFlows = ((FlowNode) source).getOutgoingFlows();
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}
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return sequenceFlows;
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}
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/**
|
||||
* 获取流程元素信息
|
||||
*
|
||||
* @param model bpmnModel对象
|
||||
* @param flowElementId 元素ID
|
||||
* @return 元素信息
|
||||
*/
|
||||
public static FlowElement getFlowElementById(BpmnModel model, String flowElementId) {
|
||||
Process process = model.getMainProcess();
|
||||
return process.getFlowElement(flowElementId);
|
||||
}
|
||||
|
||||
/**
|
||||
* 找到 source 节点之前的所有用户任务节点
|
||||
*
|
||||
* @param source 起始节点
|
||||
* @param hasSequenceFlow 已经经过的连线的 ID,用于判断线路是否重复
|
||||
* @param userTaskList 已找到的用户任务节点
|
||||
* @return
|
||||
*/
|
||||
public static List<UserTask> getPreUserTaskList(FlowElement source, Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
|
||||
userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
|
||||
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
|
||||
|
||||
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
|
||||
if (source instanceof StartEvent && source.getSubProcess() != null) {
|
||||
userTaskList = getPreUserTaskList(source.getSubProcess(), hasSequenceFlow, userTaskList);
|
||||
}
|
||||
|
||||
// 根据类型,获取入口连线
|
||||
List<SequenceFlow> sequenceFlows = getElementIncomingFlows(source);
|
||||
|
||||
if (sequenceFlows != null) {
|
||||
// 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 (hasSequenceFlow.contains(sequenceFlow.getId())) {
|
||||
continue;
|
||||
}
|
||||
// 添加已经走过的连线
|
||||
hasSequenceFlow.add(sequenceFlow.getId());
|
||||
// 类型为用户节点,则新增父级节点
|
||||
if (sequenceFlow.getSourceFlowElement() instanceof UserTask) {
|
||||
userTaskList.add((UserTask) sequenceFlow.getSourceFlowElement());
|
||||
}
|
||||
// 类型为子流程,则添加子流程开始节点出口处相连的节点
|
||||
if (sequenceFlow.getSourceFlowElement() instanceof SubProcess) {
|
||||
// 获取子流程用户任务节点
|
||||
List<UserTask> childUserTaskList = findChildProcessUserTasks((StartEvent) ((SubProcess) sequenceFlow.getSourceFlowElement()).getFlowElements().toArray()[0], null, null);
|
||||
// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
|
||||
if (childUserTaskList != null && childUserTaskList.size() > 0) {
|
||||
userTaskList.addAll(childUserTaskList);
|
||||
}
|
||||
}
|
||||
// 继续迭代
|
||||
userTaskList = getPreUserTaskList(sequenceFlow.getSourceFlowElement(), hasSequenceFlow, userTaskList);
|
||||
}
|
||||
}
|
||||
return userTaskList;
|
||||
}
|
||||
|
||||
/**
|
||||
* 迭代获取子流程用户任务节点
|
||||
*
|
||||
* @param source 起始节点
|
||||
* @param hasSequenceFlow 已经经过的连线的 ID,用于判断线路是否重复
|
||||
* @param userTaskList 需要撤回的用户任务列表
|
||||
* @return
|
||||
*/
|
||||
public static List<UserTask> findChildProcessUserTasks(FlowElement source, Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
|
||||
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
|
||||
userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
|
||||
|
||||
// 根据类型,获取出口连线
|
||||
List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
|
||||
|
||||
if (sequenceFlows != null) {
|
||||
// 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 (hasSequenceFlow.contains(sequenceFlow.getId())) {
|
||||
continue;
|
||||
}
|
||||
// 添加已经走过的连线
|
||||
hasSequenceFlow.add(sequenceFlow.getId());
|
||||
// 如果为用户任务类型,且任务节点的 Key 正在运行的任务中存在,添加
|
||||
if (sequenceFlow.getTargetFlowElement() instanceof UserTask) {
|
||||
userTaskList.add((UserTask) sequenceFlow.getTargetFlowElement());
|
||||
continue;
|
||||
}
|
||||
// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
|
||||
if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
|
||||
List<UserTask> childUserTaskList = findChildProcessUserTasks((FlowElement) (((SubProcess) sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]), hasSequenceFlow, null);
|
||||
// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
|
||||
if (childUserTaskList != null && childUserTaskList.size() > 0) {
|
||||
userTaskList.addAll(childUserTaskList);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
// 继续迭代
|
||||
userTaskList = findChildProcessUserTasks(sequenceFlow.getTargetFlowElement(), hasSequenceFlow, userTaskList);
|
||||
}
|
||||
}
|
||||
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;
|
||||
//不能是开始事件和子流程
|
||||
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;
|
||||
}
|
||||
|
||||
/**
|
||||
* 判断当前节点是否属于不同的子流程
|
||||
*
|
||||
* @param flowElement 被判断的节点
|
||||
* @return true表示属于子流程
|
||||
*/
|
||||
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;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* 根据正在运行的任务节点,迭代获取子级任务节点列表,向后找
|
||||
*
|
||||
* @param source 起始节点
|
||||
* @param runTaskKeyList 正在运行的任务 Key,用于校验任务节点是否是正在运行的节点
|
||||
* @param hasSequenceFlow 已经经过的连线的 ID,用于判断线路是否重复
|
||||
* @param userTaskList 需要撤回的用户任务列表
|
||||
* @return
|
||||
*/
|
||||
public static List<UserTask> iteratorFindChildUserTasks(FlowElement source, List<String> runTaskKeyList, Set<String> hasSequenceFlow, List<UserTask> userTaskList) {
|
||||
hasSequenceFlow = hasSequenceFlow == null ? new HashSet<>() : hasSequenceFlow;
|
||||
userTaskList = userTaskList == null ? new ArrayList<>() : userTaskList;
|
||||
|
||||
// 如果该节点为开始节点,且存在上级子节点,则顺着上级子节点继续迭代
|
||||
if (source instanceof StartEvent && source.getSubProcess() != null) {
|
||||
userTaskList = iteratorFindChildUserTasks(source.getSubProcess(), runTaskKeyList, hasSequenceFlow, userTaskList);
|
||||
}
|
||||
|
||||
// 根据类型,获取出口连线
|
||||
List<SequenceFlow> sequenceFlows = getElementOutgoingFlows(source);
|
||||
|
||||
if (sequenceFlows != null) {
|
||||
// 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 (hasSequenceFlow.contains(sequenceFlow.getId())) {
|
||||
continue;
|
||||
}
|
||||
// 添加已经走过的连线
|
||||
hasSequenceFlow.add(sequenceFlow.getId());
|
||||
// 如果为用户任务类型,且任务节点的 Key 正在运行的任务中存在,添加
|
||||
if (sequenceFlow.getTargetFlowElement() instanceof UserTask && runTaskKeyList.contains((sequenceFlow.getTargetFlowElement()).getId())) {
|
||||
userTaskList.add((UserTask) sequenceFlow.getTargetFlowElement());
|
||||
continue;
|
||||
}
|
||||
// 如果节点为子流程节点情况,则从节点中的第一个节点开始获取
|
||||
if (sequenceFlow.getTargetFlowElement() instanceof SubProcess) {
|
||||
List<UserTask> childUserTaskList = iteratorFindChildUserTasks((FlowElement) (((SubProcess) sequenceFlow.getTargetFlowElement()).getFlowElements().toArray()[0]), runTaskKeyList, hasSequenceFlow, null);
|
||||
// 如果找到节点,则说明该线路找到节点,不继续向下找,反之继续
|
||||
if (childUserTaskList != null && childUserTaskList.size() > 0) {
|
||||
userTaskList.addAll(childUserTaskList);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
// 继续迭代
|
||||
userTaskList = iteratorFindChildUserTasks(sequenceFlow.getTargetFlowElement(), runTaskKeyList, hasSequenceFlow, userTaskList);
|
||||
}
|
||||
}
|
||||
return userTaskList;
|
||||
}
|
||||
}
|
@ -5,7 +5,7 @@ import cn.hutool.core.util.ObjectUtil;
|
||||
import cn.hutool.core.util.StrUtil;
|
||||
import cn.iocoder.yudao.framework.common.pojo.PageResult;
|
||||
import cn.iocoder.yudao.framework.common.util.object.PageUtils;
|
||||
import cn.iocoder.yudao.framework.flowable.core.util.FlowableUtils;
|
||||
import cn.iocoder.yudao.framework.flowable.core.util.BpmnModelUtils;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.process.BpmProcessDefinitionListReqVO;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.process.BpmProcessDefinitionPageItemRespVO;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.process.BpmProcessDefinitionPageReqVO;
|
||||
@ -200,7 +200,7 @@ public class BpmProcessDefinitionServiceImpl implements BpmProcessDefinitionServ
|
||||
BpmnModel newModel = buildBpmnModel(createReqDTO.getBpmnBytes());
|
||||
BpmnModel oldModel = getBpmnModel(oldProcessDefinition.getId());
|
||||
// 对比字节变化
|
||||
if (!FlowableUtils.equals(oldModel, newModel)) {
|
||||
if (!BpmnModelUtils.equals(oldModel, newModel)) {
|
||||
return false;
|
||||
}
|
||||
// 最终发现都一致,则返回 true
|
||||
|
@ -7,7 +7,7 @@ import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
|
||||
import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
|
||||
import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
|
||||
import cn.iocoder.yudao.framework.datapermission.core.annotation.DataPermission;
|
||||
import cn.iocoder.yudao.framework.flowable.core.util.FlowableUtils;
|
||||
import cn.iocoder.yudao.framework.flowable.core.util.BpmnModelUtils;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleCreateReqVO;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleRespVO;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.rule.BpmTaskAssignRuleUpdateReqVO;
|
||||
@ -114,7 +114,7 @@ public class BpmTaskAssignRuleServiceImpl implements BpmTaskAssignRuleService {
|
||||
return Collections.emptyList();
|
||||
}
|
||||
// 获得用户任务,只有用户任务才可以设置分配规则
|
||||
List<UserTask> userTasks = FlowableUtils.getBpmnModelElements(model, UserTask.class);
|
||||
List<UserTask> userTasks = BpmnModelUtils.getBpmnModelElements(model, UserTask.class);
|
||||
if (CollUtil.isEmpty(userTasks)) {
|
||||
return Collections.emptyList();
|
||||
}
|
||||
|
@ -7,7 +7,7 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
|
||||
import cn.iocoder.yudao.framework.common.util.date.DateUtils;
|
||||
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
|
||||
import cn.iocoder.yudao.framework.common.util.object.PageUtils;
|
||||
import cn.iocoder.yudao.framework.flowable.core.util.ModelUtils;
|
||||
import cn.iocoder.yudao.framework.flowable.core.util.BpmnModelUtils;
|
||||
import cn.iocoder.yudao.module.bpm.controller.admin.task.vo.task.*;
|
||||
import cn.iocoder.yudao.module.bpm.convert.task.BpmTaskConvert;
|
||||
import cn.iocoder.yudao.module.bpm.dal.dataobject.task.BpmTaskExtDO;
|
||||
@ -61,22 +61,23 @@ public class BpmTaskServiceImpl implements BpmTaskService {
|
||||
private TaskService taskService;
|
||||
@Resource
|
||||
private HistoryService historyService;
|
||||
@Resource
|
||||
private RuntimeService runtimeService;
|
||||
|
||||
@Resource
|
||||
private BpmProcessInstanceService processInstanceService;
|
||||
@Resource
|
||||
private BpmModelService bpmModelService;
|
||||
@Resource
|
||||
private BpmMessageService messageService;
|
||||
|
||||
@Resource
|
||||
private AdminUserApi adminUserApi;
|
||||
@Resource
|
||||
private DeptApi deptApi;
|
||||
|
||||
@Resource
|
||||
private BpmTaskExtMapper taskExtMapper;
|
||||
@Resource
|
||||
private BpmMessageService messageService;
|
||||
@Resource
|
||||
private BpmModelService bpmModelService;
|
||||
@Resource
|
||||
private RuntimeService runtimeService;
|
||||
|
||||
|
||||
@Override
|
||||
public PageResult<BpmTaskTodoPageItemRespVO> getTodoTaskPage(Long userId, BpmTaskTodoPageReqVO pageVO) {
|
||||
@ -351,18 +352,18 @@ public class BpmTaskServiceImpl implements BpmTaskService {
|
||||
throw exception(TASK_NOT_EXISTS);
|
||||
}
|
||||
BpmnModel bpmnModel = bpmModelService.getBpmnModelByDefinitionId(task.getProcessDefinitionId());
|
||||
FlowElement source = ModelUtils.getFlowElementById(bpmnModel, task.getTaskDefinitionKey());
|
||||
FlowElement source = BpmnModelUtils.getFlowElementById(bpmnModel, task.getTaskDefinitionKey());
|
||||
if (source == null) {
|
||||
throw exception(TASK_NOT_EXISTS);
|
||||
}
|
||||
|
||||
// 2.1 查询该任务的前置任务节点的 key 集合
|
||||
List<UserTask> previousUserList = ModelUtils.getPreUserTaskList(source, null, null);
|
||||
List<UserTask> previousUserList = BpmnModelUtils.getPreviousUserTaskList(source, null, null);
|
||||
if (CollUtil.isEmpty(previousUserList)) {
|
||||
return Collections.emptyList();
|
||||
}
|
||||
// 2.2 过滤:只有串行可到达的节点,才可以回退。类似非串行、子流程无法退回
|
||||
previousUserList.removeIf(userTask -> !ModelUtils.isSequentialReachable(source, userTask, null));
|
||||
previousUserList.removeIf(userTask -> !BpmnModelUtils.isSequentialReachable(source, userTask, null));
|
||||
return BpmTaskConvert.INSTANCE.convertList(previousUserList);
|
||||
}
|
||||
|
||||
@ -395,15 +396,15 @@ public class BpmTaskServiceImpl implements BpmTaskService {
|
||||
// 1.1 获取流程模型信息
|
||||
BpmnModel bpmnModel = bpmModelService.getBpmnModelByDefinitionId(processDefinitionId);
|
||||
// 1.3 获取当前任务节点元素
|
||||
FlowElement source = ModelUtils.getFlowElementById(bpmnModel, sourceKey);
|
||||
FlowElement source = BpmnModelUtils.getFlowElementById(bpmnModel, sourceKey);
|
||||
// 1.3 获取跳转的节点元素
|
||||
FlowElement target = ModelUtils.getFlowElementById(bpmnModel, targetKey);
|
||||
FlowElement target = BpmnModelUtils.getFlowElementById(bpmnModel, targetKey);
|
||||
if (target == null) {
|
||||
throw exception(TASK_TARGET_NODE_NOT_EXISTS);
|
||||
}
|
||||
|
||||
// 2.2 只有串行可到达的节点,才可以回退。类似非串行、子流程无法退回
|
||||
if (!ModelUtils.isSequentialReachable(source, target, null)) {
|
||||
if (!BpmnModelUtils.isSequentialReachable(source, target, null)) {
|
||||
throw exception(TASK_RETURN_FAIL_SOURCE_TARGET_ERROR);
|
||||
}
|
||||
return target;
|
||||
@ -423,7 +424,7 @@ public class BpmTaskServiceImpl implements BpmTaskService {
|
||||
List<String> runTaskKeyList = convertList(taskList, Task::getTaskDefinitionKey);
|
||||
// 1.2 通过 targetElement 的出口连线,计算在 runTaskKeyList 有哪些 key 需要被撤回
|
||||
// 为什么不直接使用 runTaskKeyList 呢?因为可能存在多个审批分支,例如说:A -> B -> C 和 D -> F,而只要 C 撤回到 A,需要排除掉 F
|
||||
List<UserTask> returnUserTaskList = ModelUtils.iteratorFindChildUserTasks(targetElement, runTaskKeyList, null, null);
|
||||
List<UserTask> returnUserTaskList = BpmnModelUtils.iteratorFindChildUserTasks(targetElement, runTaskKeyList, null, null);
|
||||
List<String> returnTaskKeyList = convertList(returnUserTaskList, UserTask::getId);
|
||||
|
||||
// 2. 给当前要被回退的 task 数组,设置回退意见
|
||||
|
Loading…
Reference in New Issue
Block a user