項目地址https://gitee.com/lwj/flowable.git

代碼分支	flowable-base
視頻講解地址	https://space.bilibili.com/485524575/channel/detail?cid=94579

用戶名密碼

0000001	test
0000002	test
0000003	test
0000004	test

文章目錄

• • • 1. 演示
    • 2. 代碼
    • • 2.1. 刪除實(shí)例命令
      • 2.2. 執(zhí)行刪除動作

1. 演示

2. 代碼

2.1. 刪除實(shí)例命令

public class DeleteFlowableProcessInstanceCmd implements Command<Void>, Serializable {private static final long serialVersionUID = 1L;protected String processInstanceId;protected String deleteReason;protected boolean cascade = false;public DeleteFlowableProcessInstanceCmd(String processInstanceId, String deleteReason) {this.processInstanceId = processInstanceId;this.deleteReason = deleteReason;}public DeleteFlowableProcessInstanceCmd(String processInstanceId, String deleteReason,boolean cascade) {this.processInstanceId = processInstanceId;this.deleteReason = deleteReason;this.cascade = cascade;}@Overridepublic Void execute(CommandContext commandContext) {if (processInstanceId == null) {throw new FlowableIllegalArgumentException("processInstanceId is null");}ExecutionEntity processInstanceEntity = CommandContextUtil.getExecutionEntityManager(commandContext).findById(processInstanceId);if (processInstanceEntity == null) {throw new FlowableObjectNotFoundException("No process instance found for id '" + processInstanceId + "'", ProcessInstance.class);}if (processInstanceEntity.isDeleted()) {return null;}if (Flowable5Util.isFlowable5ProcessDefinitionId(commandContext, processInstanceEntity.getProcessDefinitionId())) {Flowable5CompatibilityHandler compatibilityHandler = Flowable5Util.getFlowable5CompatibilityHandler();compatibilityHandler.deleteProcessInstance(processInstanceId, deleteReason);} else {CommandContextUtil.getExecutionEntityManager(commandContext).deleteProcessInstance(processInstanceEntity.getProcessInstanceId(), deleteReason, cascade);}return null;}}

2.2. 執(zhí)行刪除動作

public ReturnVo<String> deleteProcessInstanceById(String processInstanceId) {ReturnVo<String> returnVo = null;long count = runtimeService.createProcessInstanceQuery().processInstanceId(processInstanceId).count();if (count > 0) {DeleteFlowableProcessInstanceCmd cmd = new DeleteFlowableProcessInstanceCmd(processInstanceId, "刪除流程實(shí)例", true);managementService.executeCommand(cmd);returnVo = new ReturnVo<>(ReturnCode.SUCCESS, "刪除成功");} else {historyService.deleteHistoricProcessInstance(processInstanceId);returnVo = new ReturnVo<>(ReturnCode.SUCCESS, "刪除成功");}return returnVo;}

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