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仿钉钉流程设计-后端实现30%
This commit is contained in:
jason
parent
210b4e54d7
commit
b504d9841e
@ -75,4 +75,6 @@ public interface ErrorCodeConstants {
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// ========== BPM 流程表达式 1-009-014-000 ==========
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ErrorCode PROCESS_EXPRESSION_NOT_EXISTS = new ErrorCode(1_009_014_000, "流程表达式不存在");
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// ========== BPM 仿钉钉流程设计器 1-009-015-000 ==========
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ErrorCode CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT = new ErrorCode(1_009_015_000, "该流程模型不支持仿钉钉设计流程");
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}
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@ -1,17 +1,16 @@
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package cn.iocoder.yudao.module.bpm.controller.admin.definition;
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import cn.iocoder.yudao.framework.common.pojo.CommonResult;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelNodeVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelSaveReqVO;
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import cn.iocoder.yudao.module.bpm.service.definition.BpmSimpleModelService;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.annotation.Resource;
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import jakarta.validation.Valid;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.bind.annotation.*;
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import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
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@ -28,4 +27,12 @@ public class BpmSimpleModelController {
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public CommonResult<Boolean> saveSimpleModel(@Valid @RequestBody BpmSimpleModelSaveReqVO reqVO) {
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return success(bpmSimpleModelService.saveSimpleModel(reqVO));
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}
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@GetMapping("/get")
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@Operation(summary = "获得仿钉钉流程设计模型")
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@Parameter(name = "modelId", description = "流程模型编号", required = true, example = "a2c5eee0-eb6c-11ee-abf4-0c37967c420a")
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public CommonResult<BpmSimpleModelNodeVO> getSimpleModel(@RequestParam("modelId") String modelId){
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return success(bpmSimpleModelService.getSimpleModel(modelId));
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}
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}
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@ -1,5 +1,10 @@
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package cn.iocoder.yudao.module.bpm.framework.flowable.core.enums;
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import com.google.common.collect.ImmutableSet;
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import org.flowable.bpmn.model.*;
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import java.util.Set;
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/**
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* BPMN XML 常量信息
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*
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@ -23,14 +28,14 @@ public interface BpmnModelConstants {
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*/
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String USER_TASK_CANDIDATE_PARAM = "candidateParam";
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/**
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* BPMN Start Event 节点 Id, 用于后端生成 Start Event 节点
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*/
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String START_EVENT_ID = "StartEvent_1";
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/**
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* BPMN End Event 节点 Id， 用于后端生成 End Event 节点
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*/
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String END_EVENT_ID = "EndEvent_1";
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/**
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* 支持转仿钉钉设计模型的 Bpmn 节点
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*/
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Set<Class<? extends FlowNode>> SUPPORT_CONVERT_SIMPLE_FlOW_NODES = ImmutableSet.of(UserTask.class, EndEvent.class);
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}
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@ -2,7 +2,6 @@ package cn.iocoder.yudao.module.bpm.framework.flowable.core.util;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.lang.TypeReference;
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import cn.hutool.core.map.MapUtil;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.StrUtil;
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@ -338,31 +337,26 @@ public class BpmnModelUtils {
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/**
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* 仿钉钉流程设计模型数据结构(json) 转换成 Bpmn Model (待完善）
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* @param processId 流程标识
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* @param processName 流程名称
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*
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* @param processId 流程标识
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* @param processName 流程名称
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* @param simpleModelNode 仿钉钉流程设计模型数据结构
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* @return Bpmn Model
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*/
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public static BpmnModel convertSimpleModelToBpmnModel(String processId, String processName,BpmSimpleModelNodeVO simpleModelNode) {
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public static BpmnModel convertSimpleModelToBpmnModel(String processId, String processName, BpmSimpleModelNodeVO simpleModelNode) {
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BpmnModel bpmnModel = new BpmnModel();
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Process mainProcess = new Process();
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mainProcess.setId(processId);
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mainProcess.setName(processName);
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mainProcess.setExecutable(Boolean.TRUE);
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bpmnModel.addProcess(mainProcess);
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// 目前前端传进来的节点。 没有 start event 节点 和 end event 节点。
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// 在最前面加上 start event node
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BpmSimpleModelNodeVO startEventNode = new BpmSimpleModelNodeVO();
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startEventNode.setId(BpmnModelConstants.START_EVENT_ID);
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startEventNode.setName("开始");
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startEventNode.setType(BpmSimpleModelNodeType.START_NODE.getType());
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startEventNode.setChildNode(simpleModelNode);
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// 前端模型数据结构。 有 start event 节点. 没有 end event 节点。
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// 添加 FlowNode
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addBpmnFlowNode(mainProcess, startEventNode);
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addBpmnFlowNode(mainProcess, simpleModelNode);
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// 单独添加 end event 节点
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addBpmnEndEventNode(mainProcess);
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// 添加节点之间的连线 Sequence Flow
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addBpmnSequenceFlow(mainProcess, startEventNode);
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addBpmnSequenceFlow(mainProcess, simpleModelNode);
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// 自动布局
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new BpmnAutoLayout(bpmnModel).execute();
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@ -371,24 +365,24 @@ public class BpmnModelUtils {
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private static void addBpmnSequenceFlow(Process mainProcess, BpmSimpleModelNodeVO node) {
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// 节点为 null 退出
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if (node == null) {
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if (node == null || node.getId() == null) {
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return;
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}
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BpmSimpleModelNodeVO childNode = node.getChildNode();
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// 如果后续节点为 null. 添加与结束节点的连线
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if (childNode == null) {
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addBpmnSequenceFlowElement(mainProcess, node.getId(),BpmnModelConstants.END_EVENT_ID, null);
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if (childNode == null || childNode.getId() == null) {
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addBpmnSequenceFlowElement(mainProcess, node.getId(), BpmnModelConstants.END_EVENT_ID, null);
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return;
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}
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BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(node.getType());
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Assert.notNull(nodeType, "模型节点类型不支持");
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switch(nodeType){
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case START_NODE :
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case START_USER_NODE :
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case APPROVE_USER_NODE :
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switch (nodeType) {
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case START_NODE:
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case START_USER_NODE:
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case APPROVE_USER_NODE:
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addBpmnSequenceFlowElement(mainProcess, node.getId(), childNode.getId(), null);
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break;
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default : {
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default: {
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// TODO 其它节点类型的实现
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}
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}
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@ -396,7 +390,7 @@ public class BpmnModelUtils {
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addBpmnSequenceFlow(mainProcess, childNode);
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}
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private static void addBpmnSequenceFlowElement(Process mainProcess, String sourceId, String targetId, String conditionExpression) {
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private static void addBpmnSequenceFlowElement(Process mainProcess, String sourceId, String targetId, String conditionExpression) {
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SequenceFlow sequenceFlow = new SequenceFlow(sourceId, targetId);
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if (StrUtil.isNotEmpty(conditionExpression)) {
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sequenceFlow.setConditionExpression(conditionExpression);
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@ -407,20 +401,20 @@ public class BpmnModelUtils {
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private static void addBpmnFlowNode(Process mainProcess, BpmSimpleModelNodeVO simpleModelNode) {
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// 节点为 null 退出
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if (simpleModelNode == null) {
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if (simpleModelNode == null || simpleModelNode.getId() == null) {
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return;
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}
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BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(simpleModelNode.getType());
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Assert.notNull(nodeType, "模型节点类型不支持");
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switch(nodeType){
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case START_NODE :
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switch (nodeType) {
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case START_NODE:
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addBpmnStartEventNode(mainProcess, simpleModelNode);
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break;
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case START_USER_NODE :
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case APPROVE_USER_NODE :
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case START_USER_NODE:
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case APPROVE_USER_NODE:
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addBpmnUserTaskEventNode(mainProcess, simpleModelNode);
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break;
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default : {
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default: {
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// TODO 其它节点类型的实现
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}
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}
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@ -454,17 +448,16 @@ public class BpmnModelUtils {
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UserTask userTask = new UserTask();
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userTask.setId(node.getId());
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userTask.setName(node.getName());
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Integer candidateStrategy = MapUtil.getInt(node.getAttributes(),BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY);
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List<Integer> candidateParam = MapUtil.get(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_PARAM, new TypeReference<>() {});
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Integer candidateStrategy = MapUtil.getInt(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY);
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// 添加自定义属性
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addExtensionAttribute(userTask, BpmnModelConstants.NAMESPACE, BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY,
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candidateStrategy == null ? null : String.valueOf(candidateStrategy));
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addExtensionAttribute(userTask, BpmnModelConstants.NAMESPACE, BpmnModelConstants.USER_TASK_CANDIDATE_PARAM,
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CollUtil.join(candidateParam, ","));
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MapUtil.getStr(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_PARAM));
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mainProcess.addFlowElement(userTask);
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}
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private static void addExtensionAttribute(FlowElement element, String namespace, String name, String value) {
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private static void addExtensionAttribute(FlowElement element, String namespace, String name, String value) {
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if (value == null) {
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return;
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}
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@ -1,5 +1,6 @@
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package cn.iocoder.yudao.module.bpm.service.definition;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelNodeVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelSaveReqVO;
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import jakarta.validation.Valid;
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@ -15,4 +16,11 @@ public interface BpmSimpleModelService {
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* @param reqVO 请求信息
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*/
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Boolean saveSimpleModel(@Valid BpmSimpleModelSaveReqVO reqVO);
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/**
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* 获取仿钉钉流程设计模型结构
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* @param modelId 流程模型编号
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* @return 仿钉钉流程设计模型结构
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*/
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BpmSimpleModelNodeVO getSimpleModel(String modelId);
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}
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@ -1,16 +1,28 @@
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package cn.iocoder.yudao.module.bpm.service.definition;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.map.MapUtil;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelNodeVO;
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import cn.iocoder.yudao.module.bpm.controller.admin.definition.vo.simple.BpmSimpleModelSaveReqVO;
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import cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants;
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import cn.iocoder.yudao.module.bpm.framework.flowable.core.util.BpmnModelUtils;
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import jakarta.annotation.Resource;
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import org.flowable.bpmn.model.BpmnModel;
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import org.flowable.bpmn.model.*;
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import org.flowable.engine.repository.Model;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.List;
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import java.util.Map;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT;
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import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.MODEL_NOT_EXISTS;
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import static cn.iocoder.yudao.module.bpm.enums.definition.BpmSimpleModelNodeType.START_NODE;
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import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.USER_TASK_CANDIDATE_PARAM;
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import static cn.iocoder.yudao.module.bpm.framework.flowable.core.enums.BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY;
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/**
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* 仿钉钉流程设计 Service 实现类
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@ -29,16 +41,124 @@ public class BpmSimpleModelServiceImpl implements BpmSimpleModelService {
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if (model == null) {
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throw exception(MODEL_NOT_EXISTS);
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}
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byte[] bpmnBytes = bpmModelService.getModelBpmnXML(reqVO.getModelId());
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// byte[] bpmnBytes = bpmModelService.getModelBpmnXML(reqVO.getModelId());
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// if (ArrayUtil.isEmpty(bpmnBytes)) {
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// // BPMN XML 不存在。新增
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// BpmnModel bpmnModel = BpmnModelUtils.convertSimpleModelToBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody());
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// bpmModelService.saveModelBpmnXml(model.getId(), BpmnModelUtils.getBpmnXml(bpmnModel));
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// return Boolean.TRUE;
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// } else {
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// // TODO BPMN XML 已经存在。如何修改 ??
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// return Boolean.FALSE;
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// }
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// 暂时直接修改
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BpmnModel bpmnModel = BpmnModelUtils.convertSimpleModelToBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody());
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bpmModelService.saveModelBpmnXml(model.getId(), BpmnModelUtils.getBpmnXml(bpmnModel));
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return Boolean.TRUE;
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}
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if (ArrayUtil.isEmpty(bpmnBytes)) {
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// BPMN XML 不存在。新增
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BpmnModel bpmnModel = BpmnModelUtils.convertSimpleModelToBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody());
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bpmModelService.saveModelBpmnXml(model.getId(),BpmnModelUtils.getBpmnXml(bpmnModel));
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return Boolean.TRUE;
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} else {
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// TODO BPMN XML 已经存在。如何修改 ??
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return Boolean.FALSE;
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@Override
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public BpmSimpleModelNodeVO getSimpleModel(String modelId) {
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Model model = bpmModelService.getModel(modelId);
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if (model == null) {
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throw exception(MODEL_NOT_EXISTS);
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}
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byte[] bpmnBytes = bpmModelService.getModelBpmnXML(modelId);
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BpmnModel bpmnModel = BpmnModelUtils.getBpmnModel(bpmnBytes);
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return convertBpmnModelToSimpleModel(bpmnModel);
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}
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/**
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* Bpmn Model 转换成 仿钉钉流程设计模型数据结构(json) 待完善
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*
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* @param bpmnModel Bpmn Model
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* @return 仿钉钉流程设计模型数据结构
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*/
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private BpmSimpleModelNodeVO convertBpmnModelToSimpleModel(BpmnModel bpmnModel) {
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if (bpmnModel == null) {
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return null;
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}
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StartEvent startEvent = BpmnModelUtils.getStartEvent(bpmnModel);
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if (startEvent == null) {
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return null;
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}
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BpmSimpleModelNodeVO rootNode = new BpmSimpleModelNodeVO();
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rootNode.setType(START_NODE.getType());
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rootNode.setId(startEvent.getId());
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rootNode.setName(startEvent.getName());
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recursiveBuildSimpleModelNode(startEvent, rootNode);
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return rootNode;
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}
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private void recursiveBuildSimpleModelNode(FlowNode currentFlowNode, BpmSimpleModelNodeVO currentSimpleModeNode) {
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BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(currentSimpleModeNode.getType());
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Assert.notNull(nodeType, "节点类型不支持");
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// 校验节点是否支持转仿钉钉的流程模型
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List<SequenceFlow> outgoingFlows = validateCanConvertSimpleNode(nodeType, currentFlowNode);
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if (CollUtil.isEmpty(outgoingFlows) || outgoingFlows.get(0).getTargetFlowElement() == null) {
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return;
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}
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FlowElement targetElement = outgoingFlows.get(0).getTargetFlowElement();
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// 如果是 EndEvent 直接退出
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if (targetElement instanceof EndEvent) {
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return;
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}
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if (targetElement instanceof UserTask) {
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BpmSimpleModelNodeVO childNode = convertUserTaskToSimpleModelNode((UserTask) targetElement);
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currentSimpleModeNode.setChildNode(childNode);
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recursiveBuildSimpleModelNode((FlowNode) targetElement, childNode);
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}
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// TODO 其它节点类型待实现
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}
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private BpmSimpleModelNodeVO convertUserTaskToSimpleModelNode(UserTask userTask) {
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BpmSimpleModelNodeVO simpleModelNodeVO = new BpmSimpleModelNodeVO();
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simpleModelNodeVO.setType(BpmSimpleModelNodeType.APPROVE_USER_NODE.getType());
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simpleModelNodeVO.setName(userTask.getName());
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simpleModelNodeVO.setId(userTask.getId());
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Map<String, Object> attributes = MapUtil.newHashMap();
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// TODO 暂时是普通审批，需要加会签
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attributes.put("approveMethod", 1);
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attributes.computeIfAbsent(USER_TASK_CANDIDATE_STRATEGY, (key) -> BpmnModelUtils.parseCandidateStrategy(userTask));
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attributes.computeIfAbsent(USER_TASK_CANDIDATE_PARAM, (key) -> BpmnModelUtils.parseCandidateParam(userTask));
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simpleModelNodeVO.setAttributes(attributes);
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return simpleModelNodeVO;
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}
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private List<SequenceFlow> validateCanConvertSimpleNode(BpmSimpleModelNodeType nodeType, FlowNode currentFlowNode) {
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switch (nodeType) {
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case START_NODE:
|
||||
case APPROVE_USER_NODE: {
|
||||
List<SequenceFlow> outgoingFlows = currentFlowNode.getOutgoingFlows();
|
||||
if (CollUtil.isNotEmpty(outgoingFlows) && outgoingFlows.size() > 1) {
|
||||
throw exception(CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT);
|
||||
}
|
||||
validIsSupportFlowNode(outgoingFlows.get(0).getTargetFlowElement());
|
||||
return outgoingFlows;
|
||||
}
|
||||
default: {
|
||||
// TODO 其它节点类型待实现
|
||||
throw exception(CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void validIsSupportFlowNode(FlowElement targetElement) {
|
||||
if (targetElement == null) {
|
||||
return;
|
||||
}
|
||||
boolean isSupport = false;
|
||||
for (Class<? extends FlowNode> item : BpmnModelConstants.SUPPORT_CONVERT_SIMPLE_FlOW_NODES) {
|
||||
if (item.isInstance(targetElement)) {
|
||||
isSupport = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!isSupport) {
|
||||
throw exception(CONVERT_TO_SIMPLE_MODEL_NOT_SUPPORT);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user