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仿钉钉流程设计- code review 修改

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jason 2024-05-28 00:19:28 +08:00
parent 4d176c8494
commit 8f31e745dd
2 changed files with 70 additions and 65 deletions
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133
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/util/SimpleModelUtils.java
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@ -19,6 +19,7 @@ import org.flowable.bpmn.BpmnAutoLayout;
import org.flowable.bpmn.model.Process; import org.flowable.bpmn.model.Process;
import org.flowable.bpmn.model.*; import org.flowable.bpmn.model.*;
import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Objects; import java.util.Objects;
@ -49,8 +50,9 @@ public class SimpleModelUtils {
*/ */
public static final String ANY_OF_APPROVE_COMPLETE_EXPRESSION = "${ nrOfCompletedInstances > 0 }"; public static final String ANY_OF_APPROVE_COMPLETE_EXPRESSION = "${ nrOfCompletedInstances > 0 }";
// TODO @jason：建议方法名，改成 buildBpmnModel // TODO-DONE @jason：建议方法名，改成 buildBpmnModel
// TODO @yunai：注释需要完善下； // TODO @yunai：注释需要完善下；
/** /**
* 仿钉钉流程设计模型数据结构(json) 转换成 Bpmn Model (待完善） * 仿钉钉流程设计模型数据结构(json) 转换成 Bpmn Model (待完善）
* *
@ -59,11 +61,12 @@ public class SimpleModelUtils {
* @param simpleModelNode 仿钉钉流程设计模型数据结构 * @param simpleModelNode 仿钉钉流程设计模型数据结构
* @return Bpmn Model * @return Bpmn Model
*/ */
public static BpmnModel convertSimpleModelToBpmnModel(String processId, String processName, BpmSimpleModelNodeVO simpleModelNode) { public static BpmnModel buildBpmnModel(String processId, String processName, BpmSimpleModelNodeVO simpleModelNode) {
BpmnModel bpmnModel = new BpmnModel(); BpmnModel bpmnModel = new BpmnModel();
bpmnModel.setTargetNamespace(BPMN2_NAMESPACE); // TODO @jason：待定：是不是搞个自定义的 namespace； bpmnModel.setTargetNamespace(BPMN2_NAMESPACE); // TODO @jason：待定：是不是搞个自定义的 namespace；
// TODO 芋艿：后续在 review // TODO 芋艿：后续在 review
// 不加这个 解析 Message 会报 NPE 异常 // @芋艿 这个 Message 可以去掉 暂时用不上
// 不加这个 解析 Message 会报 NPE 异常 .
Message rejectPostProcessMsg = new Message(); Message rejectPostProcessMsg = new Message();
rejectPostProcessMsg.setName(REJECT_POST_PROCESS_MESSAGE_NAME); rejectPostProcessMsg.setName(REJECT_POST_PROCESS_MESSAGE_NAME);
bpmnModel.addMessage(rejectPostProcessMsg); bpmnModel.addMessage(rejectPostProcessMsg);
@ -76,13 +79,9 @@ public class SimpleModelUtils {
// 前端模型数据结构 // 前端模型数据结构
// 从 SimpleModel 构建 FlowNode 并添加到 Main Process // 从 SimpleModel 构建 FlowNode 并添加到 Main Process
buildAndAddBpmnFlowNode(simpleModelNode, process); traverseNodeToBuildFlowNode(simpleModelNode, process);
// 找到 end event // 找到 end event
EndEvent endEvent = (EndEvent) CollUtil.findOne(process.getFlowElements(), item -> item instanceof EndEvent); EndEvent endEvent = (EndEvent) CollUtil.findOne(process.getFlowElements(), item -> item instanceof EndEvent);
if (endEvent == null) {
// TODO 暂时为了兼容 单独构建 end event 节点. 后面去掉
endEvent = buildAndAddBpmnEndEvent(process);
}
// 构建并添加节点之间的连线 Sequence Flow // 构建并添加节点之间的连线 Sequence Flow
buildAndAddBpmnSequenceFlow(process, simpleModelNode, endEvent.getId()); buildAndAddBpmnSequenceFlow(process, simpleModelNode, endEvent.getId());
@ -202,95 +201,100 @@ public class SimpleModelUtils {
return sequenceFlow; return sequenceFlow;
} }
// 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 // TODO-DONE @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
// 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 // @芋艿 改成了 traverseNodeToBuildFlowNode， 连线的叫 traverseNodeToBuildSequenceFlow
private static void buildAndAddBpmnFlowNode(BpmSimpleModelNodeVO simpleModelNode, Process mainProcess) { // TODO-DONE @jason：node 改成 node，process 改成 process；更符合递归的感觉哈，处理当前节点
// 节点为 null 退出 private static void traverseNodeToBuildFlowNode(BpmSimpleModelNodeVO node, Process process) {
// TODO @jason：是不是写个 isValidNode 方法：判断是否为有效节点； // 判断是否有效节点
if (simpleModelNode == null || simpleModelNode.getId() == null) { // TODO-DONE @jason：是不是写个 isValidNode 方法：判断是否为有效节点；
if (!isValidNode(node)) {
return; return;
} }
BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(simpleModelNode.getType()); BpmSimpleModelNodeType nodeType = BpmSimpleModelNodeType.valueOf(node.getType());
Assert.notNull(nodeType, "模型节点类型不支持"); Assert.notNull(nodeType, "模型节点类型不支持");
// 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；
// TODO-DONE @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；
List<FlowElement> flowElements = buildFlowNode(node, nodeType);
flowElements.forEach(process::addFlowElement);
// 如果不是网关类型的接口， 并且chileNode为空退出
// TODO-DONE @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；
// 如果是“分支”节点，则递归处理条件
if (BpmSimpleModelNodeType.isBranchNode(node.getType())
&& ArrayUtil.isNotEmpty(node.getConditionNodes())) {
// TODO-DONE @jason：可以搞成 stream 写成一行哈
node.getConditionNodes().forEach(item -> traverseNodeToBuildFlowNode(item.getChildNode(), process));
}
// 如果有“子”节点，则递归处理子节点
// TODO-DONE @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；
traverseNodeToBuildFlowNode(node.getChildNode(), process);
}
private static boolean isValidNode(BpmSimpleModelNodeVO node) {
return node != null && node.getId() != null;
}
private static List<FlowElement> buildFlowNode(BpmSimpleModelNodeVO node, BpmSimpleModelNodeType nodeType) {
List<FlowElement> list = new ArrayList<>();
switch (nodeType) { switch (nodeType) {
case START_EVENT: { case START_EVENT: {
// TODO @jason：每个 nodeType，buildXXX 方法要不更明确，并且去掉 Bpmn； // TODO-DONE @jason：每个 nodeType，buildXXX 方法要不更明确，并且去掉 Bpmn；
StartEvent startEvent = buildBpmnStartEvent(simpleModelNode); StartEvent startEvent = buildStartEvent(node);
mainProcess.addFlowElement(startEvent); list.add(startEvent);
break; break;
} }
case USER_TASK: { case USER_TASK: {
// 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； // 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；
// 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； // 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；
// 获取用户任务的配置 // 获取用户任务的配置
SimpleModelUserTaskConfig userTaskConfig = BeanUtil.toBean(simpleModelNode.getAttributes(), SimpleModelUserTaskConfig.class); SimpleModelUserTaskConfig userTaskConfig = BeanUtil.toBean(node.getAttributes(), SimpleModelUserTaskConfig.class);
UserTask userTask = buildBpmnUserTask(simpleModelNode, userTaskConfig); UserTask userTask = buildBpmnUserTask(node, userTaskConfig);
mainProcess.addFlowElement(userTask); list.add(userTask);
if (userTaskConfig.getTimeoutHandler() != null && userTaskConfig.getTimeoutHandler().getEnable()) { if (userTaskConfig.getTimeoutHandler() != null && userTaskConfig.getTimeoutHandler().getEnable()) {
// 添加用户任务的 Timer Boundary Event, 用于任务的超时处理 // 添加用户任务的 Timer Boundary Event, 用于任务的超时处理
BoundaryEvent boundaryEvent = buildUserTaskTimerBoundaryEvent(userTask, userTaskConfig.getTimeoutHandler()); BoundaryEvent boundaryEvent = buildUserTaskTimerBoundaryEvent(userTask, userTaskConfig.getTimeoutHandler());
mainProcess.addFlowElement(boundaryEvent); //process.addFlowElement(boundaryEvent);
list.add(boundaryEvent);
} }
break; break;
} }
case COPY_TASK: { case COPY_TASK: {
ServiceTask serviceTask = buildBpmnServiceTask(simpleModelNode); ServiceTask serviceTask = buildServiceTask(node);
mainProcess.addFlowElement(serviceTask); list.add(serviceTask);
break; break;
} }
case EXCLUSIVE_GATEWAY: { case EXCLUSIVE_GATEWAY: {
ExclusiveGateway exclusiveGateway = buildBpmnExclusiveGateway(simpleModelNode); ExclusiveGateway exclusiveGateway = buildExclusiveGateway(node);
mainProcess.addFlowElement(exclusiveGateway); list.add(exclusiveGateway);
break; break;
} }
case PARALLEL_GATEWAY_FORK: case PARALLEL_GATEWAY_FORK:
case PARALLEL_GATEWAY_JOIN: { case PARALLEL_GATEWAY_JOIN: {
ParallelGateway parallelGateway = buildBpmnParallelGateway(simpleModelNode); ParallelGateway parallelGateway = buildParallelGateway(node);
mainProcess.addFlowElement(parallelGateway); list.add(parallelGateway);
break; break;
} }
case INCLUSIVE_GATEWAY_FORK: { case INCLUSIVE_GATEWAY_FORK: {
InclusiveGateway inclusiveGateway = buildBpmnInclusiveGateway(simpleModelNode, Boolean.TRUE); InclusiveGateway inclusiveGateway = buildInclusiveGateway(node, Boolean.TRUE);
mainProcess.addFlowElement(inclusiveGateway); list.add(inclusiveGateway);
break; break;
} }
case INCLUSIVE_GATEWAY_JOIN: { case INCLUSIVE_GATEWAY_JOIN: {
InclusiveGateway inclusiveGateway = buildBpmnInclusiveGateway(simpleModelNode, Boolean.FALSE); InclusiveGateway inclusiveGateway = buildInclusiveGateway(node, Boolean.FALSE);
mainProcess.addFlowElement(inclusiveGateway); list.add(inclusiveGateway);
break; break;
} }
case END_EVENT: { case END_EVENT: {
EndEvent endEvent = buildBpmnEndEvent(simpleModelNode); EndEvent endEvent = buildEndEvent(node);
mainProcess.addFlowElement(endEvent); list.add(endEvent);
break; break;
} }
default: { default: {
// TODO 其它节点类型的实现 // TODO 其它节点类型的实现
} }
} }
return list;
// 如果不是网关类型的接口， 并且chileNode为空退出
// 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；
if (!BpmSimpleModelNodeType.isBranchNode(simpleModelNode.getType()) && simpleModelNode.getChildNode() == null) {
return;
}
// 如果是“条件”节点，则递归处理条件
if (BpmSimpleModelNodeType.isBranchNode(simpleModelNode.getType())
&& ArrayUtil.isNotEmpty(simpleModelNode.getConditionNodes())) {
// TODO @jason：可以搞成 stream 写成一行哈；
for (BpmSimpleModelNodeVO node : simpleModelNode.getConditionNodes()) {
buildAndAddBpmnFlowNode(node.getChildNode(), mainProcess);
}
}
// 如果有“子”节点，则递归处理子节点
// chileNode不为空，递归添加子节点
// 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；
if (simpleModelNode.getChildNode() != null) {
buildAndAddBpmnFlowNode(simpleModelNode.getChildNode(), mainProcess);
}
} }
private static BoundaryEvent buildUserTaskTimerBoundaryEvent(UserTask userTask, SimpleModelUserTaskConfig.TimeoutHandler timeoutHandler) { private static BoundaryEvent buildUserTaskTimerBoundaryEvent(UserTask userTask, SimpleModelUserTaskConfig.TimeoutHandler timeoutHandler) {
@ -315,7 +319,7 @@ public class SimpleModelUtils {
return boundaryEvent; return boundaryEvent;
} }
private static ParallelGateway buildBpmnParallelGateway(BpmSimpleModelNodeVO node) { private static ParallelGateway buildParallelGateway(BpmSimpleModelNodeVO node) {
ParallelGateway parallelGateway = new ParallelGateway(); ParallelGateway parallelGateway = new ParallelGateway();
parallelGateway.setId(node.getId()); parallelGateway.setId(node.getId());
// TODO @jason：setName // TODO @jason：setName
@ -324,7 +328,7 @@ public class SimpleModelUtils {
return parallelGateway; return parallelGateway;
} }
private static ServiceTask buildBpmnServiceTask(BpmSimpleModelNodeVO node) { private static ServiceTask buildServiceTask(BpmSimpleModelNodeVO node) {
ServiceTask serviceTask = new ServiceTask(); ServiceTask serviceTask = new ServiceTask();
serviceTask.setId(node.getId()); serviceTask.setId(node.getId());
serviceTask.setName(node.getName()); serviceTask.setName(node.getName());
@ -340,7 +344,8 @@ public class SimpleModelUtils {
// 添加表单字段权限属性元素 // 添加表单字段权限属性元素
// TODO @芋艿：这块关注下哈； // TODO @芋艿：这块关注下哈；
List<Map<String, String>> fieldsPermissions = MapUtil.get(node.getAttributes(), List<Map<String, String>> fieldsPermissions = MapUtil.get(node.getAttributes(),
FORM_FIELD_PERMISSION_ELEMENT, new TypeReference<>() {}); FORM_FIELD_PERMISSION_ELEMENT, new TypeReference<>() {
});
addFormFieldsPermission(fieldsPermissions, serviceTask); addFormFieldsPermission(fieldsPermissions, serviceTask);
return serviceTask; return serviceTask;
} }
@ -354,7 +359,7 @@ public class SimpleModelUtils {
addExtensionElement(flowElement, BpmnModelConstants.USER_TASK_CANDIDATE_PARAM, candidateParam); addExtensionElement(flowElement, BpmnModelConstants.USER_TASK_CANDIDATE_PARAM, candidateParam);
} }
private static ExclusiveGateway buildBpmnExclusiveGateway(BpmSimpleModelNodeVO node) { private static ExclusiveGateway buildExclusiveGateway(BpmSimpleModelNodeVO node) {
Assert.notEmpty(node.getConditionNodes(), "网关节点的条件节点不能为空"); Assert.notEmpty(node.getConditionNodes(), "网关节点的条件节点不能为空");
ExclusiveGateway exclusiveGateway = new ExclusiveGateway(); ExclusiveGateway exclusiveGateway = new ExclusiveGateway();
exclusiveGateway.setId(node.getId()); exclusiveGateway.setId(node.getId());
@ -367,7 +372,7 @@ public class SimpleModelUtils {
return exclusiveGateway; return exclusiveGateway;
} }
private static InclusiveGateway buildBpmnInclusiveGateway(BpmSimpleModelNodeVO node, Boolean isFork) { private static InclusiveGateway buildInclusiveGateway(BpmSimpleModelNodeVO node, Boolean isFork) {
InclusiveGateway inclusiveGateway = new InclusiveGateway(); InclusiveGateway inclusiveGateway = new InclusiveGateway();
inclusiveGateway.setId(node.getId()); inclusiveGateway.setId(node.getId());
// TODO @jason：这里是不是 setName 哈； // TODO @jason：这里是不是 setName 哈；
@ -483,7 +488,7 @@ public class SimpleModelUtils {
// ========== 各种 build 节点的方法 ========== // ========== 各种 build 节点的方法 ==========
private static StartEvent buildBpmnStartEvent(BpmSimpleModelNodeVO node) { private static StartEvent buildStartEvent(BpmSimpleModelNodeVO node) {
StartEvent startEvent = new StartEvent(); StartEvent startEvent = new StartEvent();
startEvent.setId(node.getId()); startEvent.setId(node.getId());
startEvent.setName(node.getName()); startEvent.setName(node.getName());
@ -492,7 +497,7 @@ public class SimpleModelUtils {
return startEvent; return startEvent;
} }
private static EndEvent buildBpmnEndEvent(BpmSimpleModelNodeVO node) { private static EndEvent buildEndEvent(BpmSimpleModelNodeVO node) {
EndEvent endEvent = new EndEvent(); EndEvent endEvent = new EndEvent();
endEvent.setId(node.getId()); endEvent.setId(node.getId());
endEvent.setName(node.getName()); endEvent.setName(node.getName());

2
yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmModelServiceImpl.java
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@ -231,7 +231,7 @@ public class BpmModelServiceImpl implements BpmModelService {
throw exception(MODEL_NOT_EXISTS); throw exception(MODEL_NOT_EXISTS);
} }
// 1.2 JSON 转换成 bpmnModel // 1.2 JSON 转换成 bpmnModel
BpmnModel bpmnModel = SimpleModelUtils.convertSimpleModelToBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody()); BpmnModel bpmnModel = SimpleModelUtils.buildBpmnModel(model.getKey(), model.getName(), reqVO.getSimpleModelBody());
// 2.1 保存 Bpmn XML // 2.1 保存 Bpmn XML
saveModelBpmnXml(model.getId(), StrUtil.utf8Bytes(BpmnModelUtils.getBpmnXml(bpmnModel))); saveModelBpmnXml(model.getId(), StrUtil.utf8Bytes(BpmnModelUtils.getBpmnXml(bpmnModel)));
// 2.2 保存 JSON 数据 // 2.2 保存 JSON 数据