/// <summary>
/// 更新任务和步骤信息到数据和缓存
/// </summary>
/// <param name="db"></param>
/// <param name="dmeTaskRuleStep"></param>
/// <param name="cacheKey"></param>
/// <param name="stepResult"></param>
private static void UpdateRuleStep(SqlSugarClient db, DmeTaskRuleStep dmeTaskRuleStep, string cacheKey, Result stepResult)
{
dmeTaskRuleStep.Status = EnumUtil.GetEnumDisplayName(stepResult.Code);
dmeTaskRuleStep.LastTime = DateUtil.CurrentTimeMillis;
// 只更新状态和最后时间
db.Updateable <DmeTaskRuleStep>(dmeTaskRuleStep).UpdateColumns(ts => new { ts.Status, ts.LastTime }).ExecuteCommand();
// 刷新缓存
ServiceFactory.CacheService.ReplaceAsync(cacheKey, dmeTaskRuleStep);
}
/// <summary>
/// 从缓存或者db中获取任务步骤信息
/// </summary>
/// <param name="db"></param>
/// <param name="task"></param>
/// <param name="ruleStep"></param>
/// <param name="cacheKey"></param>
/// <returns></returns>
private DmeTaskRuleStep GetTaskRuleStep(SqlSugarClient db, DmeTask task, DmeRuleStep ruleStep, out string cacheKey)
{
// 先从缓存查找
cacheKey = HashUtil.Hash_2_MD5_32($"{task.SysCode}_{ruleStep.SysCode}");
DmeTaskRuleStep dmeTaskRuleStep = null;
try
{
dmeTaskRuleStep = ServiceFactory.CacheService.Get <DmeTaskRuleStep>(cacheKey);
if (dmeTaskRuleStep != null)
{
LOG.Info($"缓存中获取到任务步骤信息，任务id[{dmeTaskRuleStep.TaskId}]，步骤id[{dmeTaskRuleStep.RuleStepId}]");
return(dmeTaskRuleStep);
}
}
catch (Exception ex)
{
LOG.Warn("从缓存中获取任务步骤信息失败，详情：" + ex.Message);
}
// 从数据库中查找
dmeTaskRuleStep = db.Queryable <DmeTaskRuleStep>().Single(tr => tr.TaskId == task.Id && tr.RuleStepId == ruleStep.Id);
return(dmeTaskRuleStep);
}
/// <summary>
/// 运行步骤节点
/// </summary>
/// <param name="db"></param>
/// <param name="task"></param>
/// <param name="node"></param>
private void RunRuleStepNode(SqlSugarClient db, DmeTask task, RuleStepLinkedListNode <DmeRuleStep> node)
{
// 先计算前置节点
if (node.Previous?.Count > 0)
{
foreach (var item in node.Previous)
{
RunRuleStepNode(db, task, item);
}
}
DmeTaskRuleStep dmeTaskRuleStep = null;
try
{
// 先判断任务的状态，是否被停止
DmeTask taskStatus = db.Queryable <DmeTask>().Single(t => t.SysCode == task.SysCode);
if (null == taskStatus || taskStatus.Status.Equals(EnumUtil.GetEnumDisplayName(EnumSystemStatusCode.DME_STOP)))
{
LOG.Info($"任务[{task.SysCode}]不存在或者已被停止");
return;
}
dmeTaskRuleStep = this.GetTaskRuleStep(db, task, node.Value, out string cacheKey);
if (dmeTaskRuleStep != null && EnumUtil.GetEnumDisplayName(EnumSystemStatusCode.DME_SUCCESS).Equals(dmeTaskRuleStep.Status))
{
// 释放
dmeTaskRuleStep = null;
LOG.Info($"任务[{task.SysCode}]下的步骤[{node.Value.SysCode}]已被计算过，并且状态为[success]");
return;
}
// 如果前置节点没有了，则计算当前节点内容
DmeRuleStepType ruleStepTypeTemp = db.Queryable <DmeRuleStepType>().Single(rst => rst.Id == node.Value.StepTypeId);
IRuleStepData ruleStepData = RuleStepFactory.GetRuleStepData(ruleStepTypeTemp.Code, this.Repository, task, node.Value);
if (null == ruleStepData)
{
throw new BusinessException((int)EnumSystemStatusCode.DME_ERROR, $"步骤工厂无法创建编码为[{ruleStepTypeTemp.Code}]的流程实例节点");
}
dmeTaskRuleStep = new DmeTaskRuleStep
{
SysCode = GuidUtil.NewGuid(),
TaskId = task.Id,
RuleStepId = node.Value.Id,
Status = EnumUtil.GetEnumDisplayName(EnumSystemStatusCode.DME_RUNNING),
CreateTime = DateUtil.CurrentTimeMillis,
LastTime = DateUtil.CurrentTimeMillis
};
dmeTaskRuleStep = db.Insertable <DmeTaskRuleStep>(dmeTaskRuleStep).ExecuteReturnEntity();
// 任务步骤创建成功后，把相关信息记录在缓存中
ServiceFactory.CacheService.AddAsync(cacheKey, dmeTaskRuleStep, 60);
Result stepResult = ruleStepData.Run();
UpdateRuleStep(db, dmeTaskRuleStep, cacheKey, stepResult);
// 然后计算下一个步骤
if (node?.Next.Count > 0)
{
foreach (var item in node.Next)
{
RunRuleStepNode(db, task, item);
}
}
}
catch (Exception ex)
{
dmeTaskRuleStep.Status = EnumUtil.GetEnumDisplayName(EnumSystemStatusCode.DME_ERROR);
dmeTaskRuleStep.LastTime = DateUtil.CurrentTimeMillis;
// 只更新状态和最后时间
db.Updateable <DmeTaskRuleStep>(dmeTaskRuleStep).UpdateColumns(ts => new { ts.Status, ts.LastTime }).ExecuteCommand();
this.LogService.AddLogAsync(Base.Common.Log.EnumLogType.ENTITY, EnumLogLevel.ERROR, nameof(DmeTaskRuleStep), dmeTaskRuleStep.SysCode, "", ex, "", NetAssist.GetLocalHost());
}
}
