【代码评审】BPM:review simple 表单的转化
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@ -15,9 +15,9 @@ import lombok.Getter;
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public enum BpmApproveMethodEnum {
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SINGLE_PERSON_APPROVE(1, "单人审批"),
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ALL_APPROVE(2, "多人会签(需所有审批人同意)"),
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ANY_OF_APPROVE(3, "多人或签(一名审批人同意即可)"),
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SEQUENTIAL_APPROVE(4, "依次审批");
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ALL_APPROVE(2, "多人会签(需所有审批人同意)"), // 会签
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ANY_OF_APPROVE(3, "多人或签(一名审批人同意即可)"), // 或签
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SEQUENTIAL_APPROVE(4, "依次审批"); // 依次审批
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/**
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* 审批方式
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@ -31,4 +31,5 @@ public enum BpmApproveMethodEnum {
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public static BpmApproveMethodEnum valueOf(Integer method) {
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return ArrayUtil.firstMatch(item -> item.getMethod().equals(method), values());
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}
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}
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@ -49,6 +49,8 @@ public class SimpleModelUtils {
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*/
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public static final String ANY_OF_APPROVE_COMPLETE_EXPRESSION = "${ nrOfCompletedInstances > 0 }";
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// TODO @jason:建议方法名,改成 buildBpmnModel
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// TODO @yunai:注释需要完善下;
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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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*
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@ -59,28 +61,31 @@ public class SimpleModelUtils {
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*/
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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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bpmnModel.setTargetNamespace(BPMN2_NAMESPACE); // TODO @jason:待定:是不是搞个自定义的 namespace;
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// TODO 芋艿:后续在 review
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// 不加这个 解析 Message 会报 NPE 异常
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bpmnModel.setTargetNamespace(BPMN2_NAMESPACE);
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Message rejectPostProcessMsg = new Message();
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rejectPostProcessMsg.setName(REJECT_POST_PROCESS_MESSAGE_NAME);
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bpmnModel.addMessage(rejectPostProcessMsg);
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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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// 前端模型数据结构。
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Process process = new Process();
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process.setId(processId);
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process.setName(processName);
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process.setExecutable(Boolean.TRUE); // TODO @jason:这个是必须设置的么?
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bpmnModel.addProcess(process);
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// 前端模型数据结构
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// 从 SimpleModel 构建 FlowNode 并添加到 Main Process
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buildAndAddBpmnFlowNode(simpleModelNode, mainProcess);
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buildAndAddBpmnFlowNode(simpleModelNode, process);
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// 找到 end event
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EndEvent endEvent = (EndEvent) CollUtil.findOne(mainProcess.getFlowElements(), item -> item instanceof EndEvent);
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EndEvent endEvent = (EndEvent) CollUtil.findOne(process.getFlowElements(), item -> item instanceof EndEvent);
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if (endEvent == null) {
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// TODO 暂时为了兼容 单独构建 end event 节点. 后面去掉
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endEvent = buildAndAddBpmnEndEvent(mainProcess);
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endEvent = buildAndAddBpmnEndEvent(process);
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}
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// 构建并添加节点之间的连线 Sequence Flow
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buildAndAddBpmnSequenceFlow(mainProcess, simpleModelNode, endEvent.getId());
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buildAndAddBpmnSequenceFlow(process, simpleModelNode, endEvent.getId());
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// 自动布局
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new BpmnAutoLayout(bpmnModel).execute();
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return bpmnModel;
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@ -197,20 +202,27 @@ public class SimpleModelUtils {
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return sequenceFlow;
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}
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// TODO @jason:要不改成 recursionNode 递归节点,然后把 build 名字让出来,专门用于构建各种 Node
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// TODO @jason:simpleModelNode 改成 node,mainProcess 改成 process;更符合递归的感觉哈,处理当前节点
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private static void buildAndAddBpmnFlowNode(BpmSimpleModelNodeVO simpleModelNode, Process mainProcess) {
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// 节点为 null 退出
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// TODO @jason:是不是写个 isValidNode 方法:判断是否为有效节点;
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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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// TODO @jason:要不抽个 buildNode 方法,然后返回一个 List<FlowElement>,之后这个方法 addFlowElement;原因是,让当前这个方法,有主干逻辑;不然现在太长了;
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switch (nodeType) {
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case START_EVENT: {
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// TODO @jason:每个 nodeType,buildXXX 方法要不更明确,并且去掉 Bpmn;
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StartEvent startEvent = buildBpmnStartEvent(simpleModelNode);
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mainProcess.addFlowElement(startEvent);
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break;
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}
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case USER_TASK: {
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// TODO @jason:这个,搞成一个 buildUserTask,然后把下面这 2 种节点,搞在一起实现类;这样 buildNode 里面可以更简洁;
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// TODO @jason:这里还有个想法,是不是可以所有的都叫 buildXXXNode,然后里面有一些是 bpmn 相关的构建,叫做 buildBpmnUserTask,用于区分;
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// 获取用户任务的配置
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SimpleModelUserTaskConfig userTaskConfig = BeanUtil.toBean(simpleModelNode.getAttributes(), SimpleModelUserTaskConfig.class);
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UserTask userTask = buildBpmnUserTask(simpleModelNode, userTaskConfig);
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@ -259,18 +271,23 @@ public class SimpleModelUtils {
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}
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// 如果不是网关类型的接口, 并且chileNode为空退出
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// TODO @jason:建议这个判断去掉,可以更简洁一点;因为往下走;如果不成功,本身也就会结束哈;主要是,这里多了一个这样的判断,增加了理解成本;
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if (!BpmSimpleModelNodeType.isBranchNode(simpleModelNode.getType()) && simpleModelNode.getChildNode() == null) {
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return;
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}
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// 如果是网关类型接口. 递归添加条件节点
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if (BpmSimpleModelNodeType.isBranchNode(simpleModelNode.getType()) && ArrayUtil.isNotEmpty(simpleModelNode.getConditionNodes())) {
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// 如果是“条件”节点,则递归处理条件
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if (BpmSimpleModelNodeType.isBranchNode(simpleModelNode.getType())
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&& ArrayUtil.isNotEmpty(simpleModelNode.getConditionNodes())) {
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// TODO @jason:可以搞成 stream 写成一行哈;
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for (BpmSimpleModelNodeVO node : simpleModelNode.getConditionNodes()) {
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buildAndAddBpmnFlowNode(node.getChildNode(), mainProcess);
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}
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}
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// 如果有“子”节点,则递归处理子节点
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// chileNode不为空,递归添加子节点
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// TODO @jason:这个,是不是不写判断,直接继续调用;因为本身 buildAndAddBpmnFlowNode 就会最开始判断了哈,就不重复判断了;
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if (simpleModelNode.getChildNode() != null) {
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buildAndAddBpmnFlowNode(simpleModelNode.getChildNode(), mainProcess);
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}
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@ -301,30 +318,33 @@ public class SimpleModelUtils {
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private static ParallelGateway buildBpmnParallelGateway(BpmSimpleModelNodeVO node) {
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ParallelGateway parallelGateway = new ParallelGateway();
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parallelGateway.setId(node.getId());
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// TODO @jason:setName
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// TODO @芋艿 + jason:合并网关;是不是要有条件啥的。微信讨论
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return parallelGateway;
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}
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private static ServiceTask buildBpmnServiceTask(BpmSimpleModelNodeVO node) {
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ServiceTask serviceTask = new ServiceTask();
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serviceTask.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_EXPRESSION);
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serviceTask.setImplementation(BPMN_SIMPLE_COPY_EXECUTION_SCRIPT);
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serviceTask.setId(node.getId());
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serviceTask.setName(node.getName());
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// TODO @jason:建议使用 ServiceTask,通过 executionListeners 实现;
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// @芋艿 ServiceTask 就可以了吧。 不需要 executionListeners
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// TODO @jason:建议用 delegateExpression;原因是,直接走 bpmSimpleNodeService.copy(execution) 的话,万一后续抄送改实现,可能比较麻烦。最好是搞个独立的 bean,然后它去调用抄 bpmSimpleNodeService;
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serviceTask.setImplementationType(ImplementationType.IMPLEMENTATION_TYPE_EXPRESSION);
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serviceTask.setImplementation(BPMN_SIMPLE_COPY_EXECUTION_SCRIPT);
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// 添加抄送候选人元素
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addCandidateElements(MapUtil.getInt(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_STRATEGY),
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MapUtil.getStr(node.getAttributes(), BpmnModelConstants.USER_TASK_CANDIDATE_PARAM),
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serviceTask);
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// 添加表单字段权限属性元素
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// TODO @芋艿:这块关注下哈;
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List<Map<String, String>> fieldsPermissions = MapUtil.get(node.getAttributes(),
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FORM_FIELD_PERMISSION_ELEMENT, new TypeReference<>() {
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});
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FORM_FIELD_PERMISSION_ELEMENT, new TypeReference<>() {});
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addFormFieldsPermission(fieldsPermissions, serviceTask);
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return serviceTask;
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}
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/**
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* 给节点添加候选人元素
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*/
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@ -350,6 +370,9 @@ public class SimpleModelUtils {
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private static InclusiveGateway buildBpmnInclusiveGateway(BpmSimpleModelNodeVO node, Boolean isFork) {
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InclusiveGateway inclusiveGateway = new InclusiveGateway();
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inclusiveGateway.setId(node.getId());
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// TODO @jason:这里是不是 setName 哈;
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// TODO @芋艿 + jason:是不是搞个合并网关;这里微信讨论下,有点奇怪;
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if (isFork) {
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Assert.notEmpty(node.getConditionNodes(), "网关节点的条件节点不能为空");
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// 网关的最后一个条件为 网关的 default sequence flow
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@ -375,6 +398,9 @@ public class SimpleModelUtils {
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userTask.setDueDate(userTaskConfig.getTimeoutHandler().getTimeDuration());
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}
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// TODO 芋艿 + jason:要不要基于服务任务,实现或签下的审批不通过?或者说,按比例审批
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// TODO @jason:addCandidateElements、processMultiInstanceLoopCharacteristics 建议一起搞哈?
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// 添加候选人元素
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addCandidateElements(userTaskConfig.getCandidateStrategy(), userTaskConfig.getCandidateParam(), userTask);
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// 添加表单字段权限属性元素
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@ -455,10 +481,14 @@ public class SimpleModelUtils {
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element.addExtensionElement(extensionElement);
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}
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// ========== 各种 build 节点的方法 ==========
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private static StartEvent buildBpmnStartEvent(BpmSimpleModelNodeVO node) {
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StartEvent startEvent = new StartEvent();
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startEvent.setId(node.getId());
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startEvent.setName(node.getName());
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// TODO 芋艿 + jason:要不要在开启节点后面,加一个“发起人”任务节点,然后自动审批通过
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return startEvent;
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}
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@ -466,6 +496,9 @@ public class SimpleModelUtils {
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EndEvent endEvent = new EndEvent();
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endEvent.setId(node.getId());
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endEvent.setName(node.getName());
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// TODO @芋艿 + jason:要不要加一个终止定义?
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return endEvent;
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}
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}
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