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工作流 Flowable 任务自定义 Script 脚本 相关实现

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plp
jason 4 years ago
parent 41e4283f99
commit e01acfb18e
13 changed files with 307 additions and 54 deletions
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48
yudao-framework/yudao-spring-boot-starter-flowable/src/main/java/cn/iocoder/yudao/framework/flowable/core/util/FlowableUtils.java
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@ -1,7 +1,14 @@
package cn.iocoder.yudao.framework.flowable.core.util;
import org.flowable.bpmn.converter.BpmnXMLConverter;
import org.flowable.bpmn.model.BpmnModel;
import org.flowable.bpmn.model.FlowElement;
import org.flowable.common.engine.impl.identity.Authentication;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class FlowableUtils {
public static void setAuthenticatedUserId(Long userId) {
@ -11,4 +18,45 @@ public class FlowableUtils {
public static void clearAuthenticatedUserId() {
Authentication.setAuthenticatedUserId(null);
}
/**
* 获得 BPMN 流程中，指定的元素们
*
* @param model
* @param clazz 指定元素。例如说，{@link org.flowable.bpmn.model.UserTask}、{@link org.flowable.bpmn.model.Gateway} 等等
* @return 元素们
*/
public static <T extends FlowElement> List<T> getBpmnModelElements(BpmnModel model, Class<T> clazz) {
List<T> result = new ArrayList<>();
model.getProcesses().forEach(process -> {
process.getFlowElements().forEach(flowElement -> {
if (flowElement.getClass().isAssignableFrom(clazz)) {
result.add((T) flowElement);
}
});
});
return result;
}
/**
* 比较 两个bpmnModel 是否相同
* @param oldModel 老的bpmn model
* @param newModel 新的bpmn model
*/
public static boolean equals(BpmnModel oldModel, BpmnModel newModel) {
// 由于 BpmnModel 未提供 equals 方法，所以只能转成字节数组，进行比较
return Arrays.equals(getBpmnBytes(oldModel), getBpmnBytes(newModel));
}
/**
* 把 bpmnModel 转换成 byte[]
* @param model bpmnModel
*/
public static byte[] getBpmnBytes(BpmnModel model) {
if (model == null) {
return new byte[0];
}
BpmnXMLConverter converter = new BpmnXMLConverter();
return converter.convertToXML(model);
}
}

9
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/config/BpmFlowableConfiguration.java
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@ -1,6 +1,7 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.config;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.BpmActivityBehaviorFactory;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.listener.BpmProcessInstanceEventListener;
import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
@ -27,8 +28,9 @@ import java.util.List;
public class BpmFlowableConfiguration {
/**
* 将自定义 listener 加入全局listener
* Flowable engines 自定义的配置
* @param listeners 自定义 listener
* @param bpmActivityBehaviorFactory 自定义的 ActivityBehaviorFactory 实现
*/
@Bean
public EngineConfigurationConfigurer<SpringProcessEngineConfiguration> addCustomerListenerConfigurer (ObjectProvider<FlowableEventListener> listeners,
@ -51,14 +53,15 @@ public class BpmFlowableConfiguration {
BpmUserGroupService userGroupService,
PermissionApi permissionApi,
DeptApi deptApi,
AdminUserApi adminUserApi) {
AdminUserApi adminUserApi,
List<BpmTaskAssignScript> scripts) {
BpmActivityBehaviorFactory bpmActivityBehaviorFactory = new BpmActivityBehaviorFactory();
bpmActivityBehaviorFactory.setBpmTaskRuleService(taskRuleService);
bpmActivityBehaviorFactory.setUserGroupService(userGroupService);
bpmActivityBehaviorFactory.setAdminUserApi(adminUserApi);
bpmActivityBehaviorFactory.setPermissionApi(permissionApi);
bpmActivityBehaviorFactory.setDeptApi(deptApi);
// bpmActivityBehaviorFactory.setScripts(scripts);
bpmActivityBehaviorFactory.setScripts(scripts);
return bpmActivityBehaviorFactory;
}
}

8
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmActivityBehaviorFactory.java
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@ -1,5 +1,6 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
@ -13,6 +14,8 @@ import org.flowable.bpmn.model.UserTask;
import org.flowable.engine.impl.bpmn.behavior.UserTaskActivityBehavior;
import org.flowable.engine.impl.bpmn.parser.factory.DefaultActivityBehaviorFactory;
import java.util.List;
/**
* 自定义的 ActivityBehaviorFactory 实现类，目的如下：
* 1. 自定义 {@link #createUserTaskActivityBehavior(UserTask)}：实现自定义的流程任务的 assignee 负责人的分配
@ -35,6 +38,8 @@ public class BpmActivityBehaviorFactory extends DefaultActivityBehaviorFactory {
private DeptApi deptApi;
@Setter
private AdminUserApi adminUserApi;
@Setter
private List<BpmTaskAssignScript> scripts;
@Override
public UserTaskActivityBehavior createUserTaskActivityBehavior(UserTask userTask) {
@ -44,8 +49,7 @@ public class BpmActivityBehaviorFactory extends DefaultActivityBehaviorFactory {
userTaskActivityBehavior.setDeptApi(deptApi);
userTaskActivityBehavior.setUserGroupService(userGroupService);
userTaskActivityBehavior.setAdminUserApi(adminUserApi);
//TODO
//userTaskActivityBehavior.setScripts(scripts);
userTaskActivityBehavior.setScripts(scripts);
return userTaskActivityBehavior;
}
}

32
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/BpmUserTaskActivityBehavior.java
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@ -7,6 +7,7 @@ import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmTaskAssignRuleDO;
import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmUserGroupDO;
import cn.iocoder.yudao.module.bpm.enums.definition.BpmTaskAssignRuleTypeEnum;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
import cn.iocoder.yudao.module.bpm.service.definition.BpmTaskAssignRuleService;
import cn.iocoder.yudao.module.bpm.service.definition.BpmUserGroupService;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
@ -30,8 +31,10 @@ import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import java.util.*;
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.TASK_ASSIGN_SCRIPT_NOT_EXISTS;
import static cn.iocoder.yudao.module.bpm.enums.ErrorCodeConstants.TASK_CREATE_FAIL_NO_CANDIDATE_USER;
/**
@ -56,9 +59,17 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
@Setter
private PermissionApi permissionApi;
/**
* 任务分配脚本
*/
private Map<Long, BpmTaskAssignScript> scriptMap = Collections.emptyMap();
public BpmUserTaskActivityBehavior(UserTask userTask) {
super(userTask);
}
public void setScripts(List<BpmTaskAssignScript> scripts) {
this.scriptMap = convertMap(scripts, script -> script.getEnum().getId());
}
@Override
protected void handleAssignments(TaskService taskService, String assignee, String owner, List<String> candidateUsers, List<String> candidateGroups, TaskEntity task, ExpressionManager expressionManager, DelegateExecution execution, ProcessEngineConfigurationImpl processEngineConfiguration) {
@ -100,10 +111,9 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
assigneeUserIds = calculateTaskCandidateUsersByUser(task, rule);
} else if (Objects.equals(BpmTaskAssignRuleTypeEnum.USER_GROUP.getType(), rule.getType())) {
assigneeUserIds = calculateTaskCandidateUsersByUserGroup(task, rule);
} else if (Objects.equals(BpmTaskAssignRuleTypeEnum.SCRIPT.getType(), rule.getType())) {
assigneeUserIds = calculateTaskCandidateUsersByScript(task, rule);
}
// else if (Objects.equals(BpmTaskAssignRuleTypeEnum.SCRIPT.getType(), rule.getType())) {
// assigneeUserIds = calculateTaskCandidateUsersByScript(task, rule);
// }
// 移除被禁用的用户
removeDisableUsers(assigneeUserIds);
@ -146,6 +156,22 @@ public class BpmUserTaskActivityBehavior extends UserTaskActivityBehavior {
return userIds;
}
private Set<Long> calculateTaskCandidateUsersByScript(TaskEntity task, BpmTaskAssignRuleDO rule) {
// 获得对应的脚本
List<BpmTaskAssignScript> scripts = new ArrayList<>(rule.getOptions().size());
rule.getOptions().forEach(id -> {
BpmTaskAssignScript script = scriptMap.get(id);
if (script == null) {
throw exception(TASK_ASSIGN_SCRIPT_NOT_EXISTS, id);
}
scripts.add(script);
});
// 逐个计算任务
Set<Long> userIds = new HashSet<>();
scripts.forEach(script -> CollUtil.addAll(userIds, script.calculateTaskCandidateUsers(task)));
return userIds;
}
private Long chooseTaskAssignee(Set<Long> candidateUserIds) {
// TODO 芋艿：未来可以优化下，改成轮询的策略
int index = RandomUtil.randomInt(candidateUserIds.size());

34
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/script/BpmTaskAssignScript.java
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@ -0,0 +1,34 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script;
import cn.iocoder.yudao.module.bpm.enums.definition.BpmTaskRuleScriptEnum;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import java.util.Set;
/**
* Bpm 任务分配的自定义 Script 脚本
* 使用场景：
* 1. 设置审批人为发起人
* 2. 设置审批人为发起人的 Leader
* 3. 甚至审批人为发起人的 Leader 的 Leader
*
* @author 芋道源码
*/
public interface BpmTaskAssignScript {
/**
* 基于流程任务，获得任务的候选用户们
*
* @param task 任务
* @return 候选人用户的编号数组
*/
Set<Long> calculateTaskCandidateUsers(TaskEntity task);
/**
* 获得枚举值
*
* @return 枚举值
*/
BpmTaskRuleScriptEnum getEnum();
}

71
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/script/impl/BpmTaskAssignLeaderAbstractScript.java
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@ -0,0 +1,71 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.impl;
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
import cn.iocoder.yudao.module.system.api.dept.dto.DeptRespDTO;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import org.springframework.context.annotation.Lazy;
import org.springframework.util.Assert;
import javax.annotation.Resource;
import java.util.Set;
import static cn.iocoder.yudao.framework.common.util.collection.SetUtils.asSet;
import static java.util.Collections.emptySet;
/**
* 分配给发起人的 Leader 审批的 Script 实现类
* 目前 Leader 的定义是，
*
* @author 芋道源码
*/
public abstract class BpmTaskAssignLeaderAbstractScript implements BpmTaskAssignScript {
@Resource
private AdminUserApi adminUserApi;
@Resource
private DeptApi deptApi;
@Resource
@Lazy // 解决循环依赖
private BpmProcessInstanceService bpmProcessInstanceService;
protected Set<Long> calculateTaskCandidateUsers(TaskEntity task, int level) {
Assert.isTrue(level > 0, "level 必须大于 0");
// 获得发起人
ProcessInstance processInstance = bpmProcessInstanceService.getProcessInstance(task.getProcessInstanceId());
Long startUserId = NumberUtils.parseLong(processInstance.getStartUserId());
// 获得对应 leve 的部门
DeptRespDTO dept = null;
for (int i = 0; i < level; i++) {
// 获得 level 对应的部门
if (dept == null) {
dept = getStartUserDept(startUserId);
if (dept == null) { // 找不到发起人的部门，所以无法使用该规则
return emptySet();
}
} else {
DeptRespDTO parentDept = deptApi.getDept(dept.getParentId());
if (parentDept == null) { // 找不到父级部门，所以只好结束寻找。原因是：例如说，级别比较高的人，所在部门层级比较少
break;
}
dept = parentDept;
}
}
return dept.getLeaderUserId() != null ? asSet(dept.getLeaderUserId()) : emptySet();
}
private DeptRespDTO getStartUserDept(Long startUserId) {
AdminUserRespDTO startUser = adminUserApi.getUser(startUserId);
if (startUser.getDeptId() == null) { // 找不到部门，所以无法使用该规则
return null;
}
return deptApi.getDept(startUser.getDeptId());
}
}

27
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/script/impl/BpmTaskAssignLeaderX1Script.java
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@ -0,0 +1,27 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.impl;
import cn.iocoder.yudao.module.bpm.enums.definition.BpmTaskRuleScriptEnum;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import org.springframework.stereotype.Component;
import java.util.Set;
/**
* 分配给发起人的一级 Leader 审批的 Script 实现类
*
* @author 芋道源码
*/
@Component
public class BpmTaskAssignLeaderX1Script extends BpmTaskAssignLeaderAbstractScript {
@Override
public Set<Long> calculateTaskCandidateUsers(TaskEntity task) {
return calculateTaskCandidateUsers(task, 1);
}
@Override
public BpmTaskRuleScriptEnum getEnum() {
return BpmTaskRuleScriptEnum.LEADER_X1;
}
}

27
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/script/impl/BpmTaskAssignLeaderX2Script.java
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@ -0,0 +1,27 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.impl;
import cn.iocoder.yudao.module.bpm.enums.definition.BpmTaskRuleScriptEnum;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import org.springframework.stereotype.Component;
import java.util.Set;
/**
* 分配给发起人的二级 Leader 审批的 Script 实现类
*
* @author 芋道源码
*/
@Component
public class BpmTaskAssignLeaderX2Script extends BpmTaskAssignLeaderAbstractScript {
@Override
public Set<Long> calculateTaskCandidateUsers(TaskEntity task) {
return calculateTaskCandidateUsers(task, 2);
}
@Override
public BpmTaskRuleScriptEnum getEnum() {
return BpmTaskRuleScriptEnum.LEADER_X2;
}
}

41
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/framework/flowable/core/behavior/script/impl/BpmTaskAssignStartUserScript.java
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@ -0,0 +1,41 @@
package cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.impl;
import cn.iocoder.yudao.framework.common.util.collection.SetUtils;
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
import cn.iocoder.yudao.module.bpm.enums.definition.BpmTaskRuleScriptEnum;
import cn.iocoder.yudao.module.bpm.framework.flowable.core.behavior.script.BpmTaskAssignScript;
import cn.iocoder.yudao.module.bpm.service.task.BpmProcessInstanceService;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.task.service.impl.persistence.entity.TaskEntity;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
import java.util.Set;
/**
* 分配给发起人审批的 Script 实现类
*
* @author 芋道源码
*/
@Component
public class BpmTaskAssignStartUserScript implements BpmTaskAssignScript {
@Resource
@Lazy // 解决循环依赖
private BpmProcessInstanceService bpmProcessInstanceService;
@Override
public Set<Long> calculateTaskCandidateUsers(TaskEntity task) {
ProcessInstance processInstance = bpmProcessInstanceService.getProcessInstance(task.getProcessInstanceId());
Long startUserId = NumberUtils.parseLong(processInstance.getStartUserId());
return SetUtils.asSet(startUserId);
}
@Override
public BpmTaskRuleScriptEnum getEnum() {
return BpmTaskRuleScriptEnum.START_USER;
}
}

18
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmProcessDefinitionServiceImpl.java
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@ -5,6 +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.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;
@ -198,7 +199,7 @@ public class BpmProcessDefinitionServiceImpl implements BpmProcessDefinitionServ
BpmnModel newModel = buildBpmnModel(createReqDTO.getBpmnBytes());
BpmnModel oldModel = getBpmnModel(oldProcessDefinition.getId());
//TODO 貌似 flowable 不修改这个也不同。需要看看。 sourceSystemId 不同
if (equals(oldModel, newModel)) {
if (FlowableUtils.equals(oldModel, newModel)) {
return false;
}
// 最终发现都一致，则返回 true
@ -216,19 +217,8 @@ public class BpmProcessDefinitionServiceImpl implements BpmProcessDefinitionServ
BpmnXMLConverter converter = new BpmnXMLConverter();
return converter.convertToBpmnModel(new BytesStreamSource(bpmnBytes), true, true);
}
//TODO 移出去
public boolean equals(BpmnModel oldModel, BpmnModel newModel) {
// 由于 BpmnModel 未提供 equals 方法，所以只能转成字节数组，进行比较
return Arrays.equals(getBpmnBytes(oldModel), getBpmnBytes(newModel));
}
//TODO 移出去
public byte[] getBpmnBytes(BpmnModel model) {
if (model == null) {
return new byte[0];
}
BpmnXMLConverter converter = new BpmnXMLConverter();
return converter.convertToXML(model);
}
@Override
public BpmProcessDefinitionExtDO getProcessDefinitionExt(String id) {

25
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/service/definition/BpmTaskAssignRuleServiceImpl.java
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@ -5,6 +5,7 @@ import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
import cn.iocoder.yudao.framework.common.util.object.ObjectUtils;
import cn.iocoder.yudao.framework.flowable.core.util.FlowableUtils;
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;
@ -87,37 +88,15 @@ public class BpmTaskAssignRuleServiceImpl implements BpmTaskAssignRuleService{
if (model == null) {
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 = getBpmnModelElements(model, UserTask.class);
List<UserTask> userTasks = FlowableUtils.getBpmnModelElements(model, UserTask.class);
if (CollUtil.isEmpty(userTasks)) {
return Collections.emptyList();
}
// 转换数据
return BpmTaskAssignRuleConvert.INSTANCE.convertList(userTasks, rules);
}
/**
* TODO 需要移出去
* 获得 BPMN 流程中，指定的元素们
*
* @param model
* @param clazz 指定元素。例如说，{@link org.flowable.bpmn.model.UserTask}、{@link org.flowable.bpmn.model.Gateway} 等等
* @return 元素们
*/
public static <T extends FlowElement> List<T> getBpmnModelElements(BpmnModel model, Class<T> clazz) {
List<T> result = new ArrayList<>();
model.getProcesses().forEach(process -> {
process.getFlowElements().forEach(flowElement -> {
if (flowElement.getClass().isAssignableFrom(clazz)) {
result.add((T) flowElement);
}
});
});
return result;
}
@Override
public Long createTaskAssignRule(@Valid BpmTaskAssignRuleCreateReqVO reqVO) {
// 校验参数

1
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
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@ -106,6 +106,7 @@ public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService
}
@Override
@Transactional(rollbackFor = Exception.class)
public String createProcessInstance(Long userId, @Valid BpmProcessInstanceCreateReqVO createReqVO) {
// 获得流程定义
ProcessDefinition definition = processDefinitionService.getProcessDefinition(createReqVO.getProcessDefinitionId());

20
yudao-module-bpm/yudao-module-bpm-impl-flowable/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmTaskServiceImpl.java
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@ -25,6 +25,7 @@ import org.flowable.task.api.TaskQuery;
import org.flowable.task.api.history.HistoricTaskInstance;
import org.flowable.task.api.history.HistoricTaskInstanceQuery;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.support.TransactionSynchronization;
import org.springframework.transaction.support.TransactionSynchronizationManager;
@ -167,6 +168,7 @@ public class BpmTaskServiceImpl implements BpmTaskService{
}
@Override
@Transactional(rollbackFor = Exception.class)
public void approveTask(Long userId, @Valid BpmTaskApproveReqVO reqVO) {
// 校验任务存在
Task task = checkTask(userId, reqVO.getId());
@ -184,6 +186,7 @@ public class BpmTaskServiceImpl implements BpmTaskService{
}
@Override
@Transactional(rollbackFor = Exception.class)
public void rejectTask(Long userId, @Valid BpmTaskRejectReqVO reqVO) {
Task task = checkTask(userId, reqVO.getId());
// 校验流程实例存在
@ -234,16 +237,15 @@ public class BpmTaskServiceImpl implements BpmTaskService{
.setAssigneeUserId(NumberUtils.parseLong(task.getAssignee()))
.setTaskId(task.getId());
taskExtMapper.updateByTaskId(taskExtDO);
//TODO 创建任务时候 也会调用 updateTaskExtAssign， processInstance 名称为空 校验不通过
// 发送通知。在事务提交时，批量执行操作，所以直接查询会无法查询到 ProcessInstance，所以这里是通过监听事务的提交来实现。
// TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
// @Override
// public void afterCommit() {
// ProcessInstance processInstance = processInstanceService.getProcessInstance(task.getProcessInstanceId());
// AdminUserRespDTO startUser = adminUserApi.getUser(Long.valueOf(processInstance.getStartUserId()));
// messageService.sendMessageWhenTaskAssigned(BpmTaskConvert.INSTANCE.convert(processInstance, startUser, task));
// }
// });
TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
@Override
public void afterCommit() {
ProcessInstance processInstance = processInstanceService.getProcessInstance(task.getProcessInstanceId());
AdminUserRespDTO startUser = adminUserApi.getUser(Long.valueOf(processInstance.getStartUserId()));
messageService.sendMessageWhenTaskAssigned(BpmTaskConvert.INSTANCE.convert(processInstance, startUser, task));
}
});
}
/**

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