mirror of
https://github.com/PowerJob/PowerJob.git
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feat: support nested workflow #266
This commit is contained in:
Echo009
parent
c15cefc447
commit
d996b34a54
5
others/sql/v4.0.1-v4.1.0.sql
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5
others/sql/v4.0.1-v4.1.0.sql
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@ -0,0 +1,5 @@
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-- ----------------------------
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-- Table change for workflow_instance_info
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-- ----------------------------
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alter table sx_workflow_instance_info
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add parent_wf_instance_id bigint default null null comment '上层工作流实例ID';
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@ -3,7 +3,6 @@ package tech.powerjob.common.model;
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import com.fasterxml.jackson.databind.annotation.JsonSerialize;
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import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
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import com.google.common.collect.Lists;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import lombok.experimental.Accessors;
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@ -59,6 +58,11 @@ public class PEWorkflowDAG implements Serializable {
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* job id
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*/
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private Long jobId;
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/**
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* workflow id,support for nested workflow
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* @see WorkflowNodeType#NESTED_WORKFLOW
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*/
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private Long wfId;
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/**
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* node name
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*/
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@ -44,7 +44,6 @@ public class DispatchService {
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private TransportService transportService;
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@Resource
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private WorkerClusterQueryService workerClusterQueryService;
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@Resource
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private InstanceManager instanceManager;
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@Resource
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@ -0,0 +1,35 @@
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package tech.powerjob.server.core.helper;
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import tech.powerjob.common.enums.InstanceStatus;
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import tech.powerjob.common.enums.WorkflowInstanceStatus;
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/**
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* @author Echo009
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* @since 2021/12/13
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*/
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public class StatusMappingHelper {
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private StatusMappingHelper(){
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}
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/**
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* 工作流实例状态转任务实例状态
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*/
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public static InstanceStatus toInstanceStatus(WorkflowInstanceStatus workflowInstanceStatus) {
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switch (workflowInstanceStatus) {
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case FAILED:
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return InstanceStatus.FAILED;
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case SUCCEED:
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return InstanceStatus.SUCCEED;
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case RUNNING:
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return InstanceStatus.RUNNING;
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case STOPPED:
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return InstanceStatus.STOPPED;
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default:
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return null;
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}
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}
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}
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@ -197,7 +197,7 @@ public class PowerScheduleService {
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wfInfos.forEach(wfInfo -> {
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// 1. 先生成调度记录，防止不调度的情况发生
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Long wfInstanceId = workflowInstanceManager.create(wfInfo, null, wfInfo.getNextTriggerTime());
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Long wfInstanceId = workflowInstanceManager.create(wfInfo, null, wfInfo.getNextTriggerTime(), null);
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// 2. 推入时间轮，准备调度执行
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long delay = wfInfo.getNextTriggerTime() - System.currentTimeMillis();
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@ -8,18 +8,16 @@ import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import tech.powerjob.common.exception.PowerJobException;
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import tech.powerjob.common.SystemInstanceResult;
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import tech.powerjob.common.WorkflowContextConstant;
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import tech.powerjob.common.enums.InstanceStatus;
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import tech.powerjob.common.enums.TimeExpressionType;
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import tech.powerjob.common.enums.WorkflowInstanceStatus;
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import tech.powerjob.common.enums.WorkflowNodeType;
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import tech.powerjob.common.exception.PowerJobException;
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import tech.powerjob.common.model.PEWorkflowDAG;
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import tech.powerjob.common.serialize.JsonUtils;
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import tech.powerjob.server.common.constants.SwitchableStatus;
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import tech.powerjob.server.core.DispatchService;
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import tech.powerjob.server.core.instance.InstanceService;
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import tech.powerjob.server.core.helper.StatusMappingHelper;
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import tech.powerjob.server.core.lock.UseSegmentLock;
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import tech.powerjob.server.core.service.UserService;
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import tech.powerjob.server.core.service.WorkflowNodeHandleService;
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@ -54,10 +52,6 @@ public class WorkflowInstanceManager {
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@Resource
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private AlarmCenter alarmCenter;
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@Resource
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private InstanceService instanceService;
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@Resource
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private DispatchService dispatchService;
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@Resource
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private IdGenerateService idGenerateService;
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@Resource
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private JobInfoRepository jobInfoRepository;
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@ -84,12 +78,18 @@ public class WorkflowInstanceManager {
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* @param expectTriggerTime 预计执行时间
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* @return wfInstanceId
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*/
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public Long create(WorkflowInfoDO wfInfo, String initParams, Long expectTriggerTime) {
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public Long create(WorkflowInfoDO wfInfo, String initParams, Long expectTriggerTime, Long parentWfInstanceId) {
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Long wfId = wfInfo.getId();
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Long wfInstanceId = idGenerateService.allocate();
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// 构造实例信息
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WorkflowInstanceInfoDO newWfInstance = constructWfInstance(wfInfo, initParams, expectTriggerTime, wfId, wfInstanceId);
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if (parentWfInstanceId != null) {
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// 处理子工作流
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newWfInstance.setParentWfInstanceId(parentWfInstanceId);
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// 直接透传上下文
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newWfInstance.setWfContext(initParams);
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}
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PEWorkflowDAG dag = null;
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try {
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@ -121,7 +121,7 @@ public class WorkflowInstanceManager {
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if (dag != null) {
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newWfInstance.setDag(JSON.toJSONString(dag));
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}
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onWorkflowInstanceFailed(e.getMessage(), newWfInstance);
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handleWfInstanceFinalStatus(newWfInstance, e.getMessage(), WorkflowInstanceStatus.FAILED);
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}
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return wfInstanceId;
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}
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@ -216,7 +216,7 @@ public class WorkflowInstanceManager {
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// 并发度控制
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int instanceConcurrency = workflowInstanceInfoRepository.countByWorkflowIdAndStatusIn(wfInfo.getId(), WorkflowInstanceStatus.GENERALIZED_RUNNING_STATUS);
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if (instanceConcurrency > wfInfo.getMaxWfInstanceNum()) {
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onWorkflowInstanceFailed(String.format(SystemInstanceResult.TOO_MANY_INSTANCES, instanceConcurrency, wfInfo.getMaxWfInstanceNum()), wfInstanceInfo);
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handleWfInstanceFinalStatus(wfInstanceInfo, String.format(SystemInstanceResult.TOO_MANY_INSTANCES, instanceConcurrency, wfInfo.getMaxWfInstanceNum()), WorkflowInstanceStatus.FAILED);
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return;
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}
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}
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@ -248,8 +248,8 @@ public class WorkflowInstanceManager {
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workflowNodeHandleService.handleTaskNodes(readyNodes, dag, wfInstanceInfo);
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log.info("[Workflow-{}|{}] start workflow successfully", wfInfo.getId(), wfInstanceId);
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} catch (Exception e) {
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log.error("[Workflow-{}|{}] submit workflow: {} failed.", wfInfo.getId(), wfInstanceId, wfInfo, e);
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onWorkflowInstanceFailed(e.getMessage(), wfInstanceInfo);
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log.error("[Workflow-{}|{}] start workflow: {} failed.", wfInfo.getId(), wfInstanceId, wfInfo, e);
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handleWfInstanceFinalStatus(wfInstanceInfo, e.getMessage(), WorkflowInstanceStatus.FAILED);
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}
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}
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@ -321,13 +321,13 @@ public class WorkflowInstanceManager {
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// 任务失败 && 不允许失败跳过，DAG 流程被打断，整体失败
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if (status == InstanceStatus.FAILED && isNotAllowSkipWhenFailed(instanceNode)) {
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log.warn("[Workflow-{}|{}] workflow instance process failed because middle task(instanceId={}) failed", wfId, wfInstanceId, instanceId);
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onWorkflowInstanceFailed(SystemInstanceResult.MIDDLE_JOB_FAILED, wfInstance);
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handleWfInstanceFinalStatus(wfInstance, SystemInstanceResult.MIDDLE_JOB_FAILED, WorkflowInstanceStatus.FAILED);
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return;
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}
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// 子任务被手动停止
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if (status == InstanceStatus.STOPPED) {
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updateWorkflowInstanceFinalStatus(wfInstance, SystemInstanceResult.MIDDLE_JOB_STOPPED, WorkflowInstanceStatus.STOPPED);
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handleWfInstanceFinalStatus(wfInstance, SystemInstanceResult.MIDDLE_JOB_STOPPED, WorkflowInstanceStatus.STOPPED);
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log.warn("[Workflow-{}|{}] workflow instance stopped because middle task(instanceId={}) stopped by user", wfId, wfInstanceId, instanceId);
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return;
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}
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@ -342,7 +342,7 @@ public class WorkflowInstanceManager {
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// 这里得重新更新一下，因为 WorkflowDAGUtils#listReadyNodes 可能会更新节点状态
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wfInstance.setDag(JSON.toJSONString(dag));
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// 最终任务的结果作为整个 workflow 的结果
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updateWorkflowInstanceFinalStatus(wfInstance, result, WorkflowInstanceStatus.SUCCEED);
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handleWfInstanceFinalStatus(wfInstance, result, WorkflowInstanceStatus.SUCCEED);
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log.info("[Workflow-{}|{}] process successfully.", wfId, wfInstanceId);
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return;
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}
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@ -357,7 +357,7 @@ public class WorkflowInstanceManager {
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if (readyNodes.isEmpty()) {
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if (isFinish(dag)) {
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wfInstance.setDag(JSON.toJSONString(dag));
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updateWorkflowInstanceFinalStatus(wfInstance, result, WorkflowInstanceStatus.SUCCEED);
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handleWfInstanceFinalStatus(wfInstance, result, WorkflowInstanceStatus.SUCCEED);
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log.info("[Workflow-{}|{}] process successfully.", wfId, wfInstanceId);
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return;
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}
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@ -369,11 +369,12 @@ public class WorkflowInstanceManager {
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// 处理任务节点
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workflowNodeHandleService.handleTaskNodes(readyNodes, dag, wfInstance);
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} catch (Exception e) {
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onWorkflowInstanceFailed("MOVE NEXT STEP FAILED: " + e.getMessage(), wfInstance);
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handleWfInstanceFinalStatus(wfInstance, "MOVE NEXT STEP FAILED: " + e.getMessage(), WorkflowInstanceStatus.FAILED);
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log.error("[Workflow-{}|{}] update failed.", wfId, wfInstanceId, e);
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}
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}
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/**
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* 更新工作流上下文
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* fix : 得和其他操作工作流实例的方法用同一把锁才行，不然有并发问题，会导致节点状态被覆盖
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@ -408,14 +409,46 @@ public class WorkflowInstanceManager {
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}
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private void updateWorkflowInstanceFinalStatus(WorkflowInstanceInfoDO wfInstance, String result, WorkflowInstanceStatus workflowInstanceStatus) {
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private void handleWfInstanceFinalStatus(WorkflowInstanceInfoDO wfInstance, String result, WorkflowInstanceStatus workflowInstanceStatus) {
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wfInstance.setStatus(workflowInstanceStatus.getV());
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wfInstance.setResult(result);
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wfInstance.setFinishedTime(System.currentTimeMillis());
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wfInstance.setGmtModified(new Date());
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workflowInstanceInfoRepository.saveAndFlush(wfInstance);
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// 处理子工作流
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if (wfInstance.getParentWfInstanceId() != null) {
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// 先处理上下文
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if (workflowInstanceStatus == WorkflowInstanceStatus.SUCCEED){
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HashMap<String, String> wfContext = JSON.parseObject(wfInstance.getWfContext(), new TypeReference<HashMap<String, String>>() {
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});
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updateWorkflowContext(wfInstance.getParentWfInstanceId(),wfContext);
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}
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// 处理父工作流
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move(wfInstance.getWfInstanceId(),wfInstance.getParentWfInstanceId(), StatusMappingHelper.toInstanceStatus(workflowInstanceStatus),result);
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}
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// 报警
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if (workflowInstanceStatus == WorkflowInstanceStatus.FAILED) {
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try {
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workflowInfoRepository.findById(wfInstance.getWorkflowId()).ifPresent(wfInfo -> {
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WorkflowInstanceAlarm content = new WorkflowInstanceAlarm();
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BeanUtils.copyProperties(wfInfo, content);
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BeanUtils.copyProperties(wfInstance, content);
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content.setResult(result);
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List<UserInfoDO> userList = userService.fetchNotifyUserList(wfInfo.getNotifyUserIds());
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alarmCenter.alarmFailed(content, userList);
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});
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} catch (Exception ignore) {
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// ignore
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}
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}
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}
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private List<PEWorkflowDAG.Node> findControlNodes(List<PEWorkflowDAG.Node> readyNodes) {
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return readyNodes.stream().filter(node -> {
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WorkflowNodeType nodeType = WorkflowNodeType.of(node.getNodeType());
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@ -432,30 +465,4 @@ public class WorkflowInstanceManager {
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return true;
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}
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private void onWorkflowInstanceFailed(String result, WorkflowInstanceInfoDO wfInstance) {
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wfInstance.setStatus(WorkflowInstanceStatus.FAILED.getV());
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wfInstance.setResult(result);
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wfInstance.setFinishedTime(System.currentTimeMillis());
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wfInstance.setGmtModified(new Date());
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workflowInstanceInfoRepository.saveAndFlush(wfInstance);
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// 报警
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try {
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workflowInfoRepository.findById(wfInstance.getWorkflowId()).ifPresent(wfInfo -> {
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WorkflowInstanceAlarm content = new WorkflowInstanceAlarm();
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BeanUtils.copyProperties(wfInfo, content);
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BeanUtils.copyProperties(wfInstance, content);
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content.setResult(result);
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List<UserInfoDO> userList = userService.fetchNotifyUserList(wfInfo.getNotifyUserIds());
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alarmCenter.alarmFailed(content, userList);
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});
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} catch (Exception ignore) {
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// ignore
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}
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}
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}
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@ -2,6 +2,7 @@ package tech.powerjob.server.core.workflow;
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import com.alibaba.fastjson.JSON;
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import tech.powerjob.common.enums.InstanceStatus;
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import tech.powerjob.common.enums.WorkflowNodeType;
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import tech.powerjob.common.exception.PowerJobException;
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import tech.powerjob.common.SystemInstanceResult;
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import tech.powerjob.common.enums.WorkflowInstanceStatus;
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@ -61,6 +62,10 @@ public class WorkflowInstanceService {
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if (!WorkflowInstanceStatus.GENERALIZED_RUNNING_STATUS.contains(wfInstance.getStatus())) {
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throw new PowerJobException("workflow instance already stopped");
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}
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// 先终止父工作流
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if (wfInstance.getParentWfInstanceId() != null) {
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stopWorkflowInstance(wfInstance.getParentWfInstanceId(),appId);
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}
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// 停止所有已启动且未完成的服务
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PEWorkflowDAG dag = JSON.parseObject(wfInstance.getDag(), PEWorkflowDAG.class);
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// 遍历所有节点，终止正在运行的
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@ -70,8 +75,14 @@ public class WorkflowInstanceService {
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log.debug("[WfInstance-{}] instance({}) is running, try to stop it now.", wfInstanceId, node.getInstanceId());
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node.setStatus(InstanceStatus.STOPPED.getV());
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node.setResult(SystemInstanceResult.STOPPED_BY_USER);
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// 注意，这里并不保证一定能终止正在运行的实例
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instanceService.stopInstance(appId,node.getInstanceId());
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// 特殊处理嵌套工作流节点
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if (Objects.equals(node.getNodeType(), WorkflowNodeType.NESTED_WORKFLOW.getCode())) {
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stopWorkflowInstance(node.getInstanceId(), appId);
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//
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} else {
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// 注意，这里并不保证一定能终止正在运行的实例
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instanceService.stopInstance(appId, node.getInstanceId());
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}
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}
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} catch (Exception e) {
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log.warn("[WfInstance-{}] stop instance({}) failed.", wfInstanceId, JSON.toJSONString(node), e);
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@ -163,7 +174,7 @@ public class WorkflowInstanceService {
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* 即处于 [失败且不允许跳过] 的节点
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* 而且仅会操作工作流实例 DAG 中的节点信息（状态、result）
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* 并不会改变对应任务实例中的任何信息
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*
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* <p>
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* 还是加把锁保平安 ~
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*
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* @param wfInstanceId 工作流实例 ID
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@ -55,7 +55,7 @@ public class WorkflowService {
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/**
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* 保存/修改工作流信息
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*
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* <p>
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* 注意这里不会保存 DAG 信息
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*
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* @param req 请求
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@ -271,7 +271,7 @@ public class WorkflowService {
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WorkflowInfoDO wfInfo = permissionCheck(wfId, appId);
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log.info("[WorkflowService-{}] try to run workflow, initParams={},delay={} ms.", wfInfo.getId(), initParams, delay);
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Long wfInstanceId = workflowInstanceManager.create(wfInfo, initParams, System.currentTimeMillis() + delay);
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Long wfInstanceId = workflowInstanceManager.create(wfInfo, initParams, System.currentTimeMillis() + delay, null);
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if (delay <= 0) {
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workflowInstanceManager.start(wfInfo, wfInstanceId);
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} else {
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@ -0,0 +1,83 @@
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package tech.powerjob.server.core.workflow.hanlder.impl;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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import tech.powerjob.common.enums.InstanceStatus;
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import tech.powerjob.common.enums.WorkflowInstanceStatus;
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import tech.powerjob.common.enums.WorkflowNodeType;
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import tech.powerjob.common.exception.PowerJobException;
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import tech.powerjob.common.model.PEWorkflowDAG;
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import tech.powerjob.common.utils.CommonUtils;
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import tech.powerjob.server.common.constants.SwitchableStatus;
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import tech.powerjob.server.core.workflow.WorkflowInstanceManager;
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import tech.powerjob.server.core.workflow.hanlder.TaskNodeHandler;
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import tech.powerjob.server.persistence.remote.model.WorkflowInfoDO;
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import tech.powerjob.server.persistence.remote.model.WorkflowInstanceInfoDO;
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import tech.powerjob.server.persistence.remote.repository.WorkflowInfoRepository;
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import tech.powerjob.server.persistence.remote.repository.WorkflowInstanceInfoRepository;
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import javax.annotation.Resource;
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import java.util.Date;
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/**
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* @author Echo009
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* @since 2021/12/13
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*/
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@Component
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@Slf4j
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public class NestedWorkflowNodeHandler implements TaskNodeHandler {
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@Resource
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private WorkflowInfoRepository workflowInfoRepository;
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@Resource
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private WorkflowInstanceInfoRepository workflowInstanceInfoRepository;
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@Resource
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private WorkflowInstanceManager workflowInstanceManager;
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@Override
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public void createTaskInstance(PEWorkflowDAG.Node node, PEWorkflowDAG dag, WorkflowInstanceInfoDO wfInstanceInfo) {
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// check
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Long wfId = node.getWfId();
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WorkflowInfoDO targetWf = workflowInfoRepository.findById(wfId).orElse(null);
|
||||
if (targetWf == null || targetWf.getStatus() == SwitchableStatus.DELETED.getV()) {
|
||||
if (targetWf == null) {
|
||||
log.error("[Workflow-{}|{}] invalid nested workflow node({}),target workflow({}) is not exist!", wfInstanceInfo.getWorkflowId(), wfInstanceInfo.getWfInstanceId(), node.getNodeId(), node.getWfId());
|
||||
} else {
|
||||
log.error("[Workflow-{}|{}] invalid nested workflow node({}),target workflow({}) has been deleted!", wfInstanceInfo.getWorkflowId(), wfInstanceInfo.getWfInstanceId(), node.getNodeId(), node.getWfId());
|
||||
}
|
||||
throw new PowerJobException("invalid nested workflow node," + node.getNodeId());
|
||||
}
|
||||
if (node.getInstanceId() != null) {
|
||||
// 处理重试的情形，不需要创建实例，仅需要更改对应实例的状态
|
||||
WorkflowInstanceInfoDO wfInstance = workflowInstanceInfoRepository.findByWfInstanceId(node.getInstanceId()).orElse(null);
|
||||
if (wfInstance == null) {
|
||||
log.error("[Workflow-{}|{}] invalid nested workflow node({}),target workflow instance({}) is not exist!", wfInstanceInfo.getWorkflowId(), wfInstanceInfo.getWfInstanceId(), node.getNodeId(), node.getInstanceId());
|
||||
throw new PowerJobException("invalid workflow instance id" + node.getNodeId());
|
||||
}
|
||||
wfInstance.setStatus(WorkflowInstanceStatus.WAITING.getV());
|
||||
wfInstance.setGmtModified(new Date());
|
||||
workflowInstanceInfoRepository.saveAndFlush(wfInstance);
|
||||
} else {
|
||||
// 透传当前的上下文创建新的工作流实例
|
||||
String wfContext = wfInstanceInfo.getWfContext();
|
||||
Long instanceId = workflowInstanceManager.create(targetWf, wfContext, System.currentTimeMillis(), wfInstanceInfo.getWfInstanceId());
|
||||
node.setInstanceId(instanceId);
|
||||
}
|
||||
node.setStartTime(CommonUtils.formatTime(System.currentTimeMillis()));
|
||||
node.setStatus(InstanceStatus.RUNNING.getV());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void startTaskInstance(PEWorkflowDAG.Node node) {
|
||||
Long wfId = node.getWfId();
|
||||
WorkflowInfoDO targetWf = workflowInfoRepository.findById(wfId).orElse(null);
|
||||
workflowInstanceManager.start(targetWf, node.getInstanceId());
|
||||
}
|
||||
|
||||
@Override
|
||||
public WorkflowNodeType matchingType() {
|
||||
return WorkflowNodeType.NESTED_WORKFLOW;
|
||||
}
|
||||
}
|
||||
@ -33,6 +33,10 @@ public class WorkflowInstanceInfoDO {
|
||||
* workflowInstanceId（任务实例表都使用单独的ID作为主键以支持潜在的分表需求）
|
||||
*/
|
||||
private Long wfInstanceId;
|
||||
/**
|
||||
* 上层工作流实例 ID （用于支持工作流嵌套）
|
||||
*/
|
||||
private Long parentWfInstanceId;
|
||||
|
||||
private Long workflowId;
|
||||
/**
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user