/// <summary>
/// 执行该队列下所有任务
/// </summary>
private void Executing(TaskschedNode task)
{
if (task.FinishTime.HasValue || task.Status != TaskschedStatus.Working)
{
return;
}
/*还没开始工作*/
if (task.NextTime.HasValue && task.NextTime.Value > DateTime.Now)
{
return;
}
if (task.PushMessage.IsNullOrEmpty())
{
task.FinishTime = task.FinishTime.HasValue ? task.FinishTime.Value : DateTime.Now;
task.Status = TaskschedStatus.Finish;
this.executingRepository.Finish(task);
return;
}
var nodes = this.executingRepository.GetAll(task.TaskId);
if (nodes == null || nodes.Count() == 0)
{
task.FinishTime = task.FinishTime.HasValue ? task.FinishTime.Value : DateTime.Now;
task.Status = TaskschedStatus.Finish;
this.executingRepository.Finish(task);
return;
}
/*准备好工作了*/
var context = new WorkContext()
{
TaskId = task.TaskId,
TaskschedNode = task,
JsonSerializer = this.engine.JsonSerializer,
Strategy = this.engine.Strategy,
};
var list = new List<ExecutingNode>(nodes.Length + 2);
list.Add(new ExecutingNode
{
ResultMessage = task.PushMessage,
StepCount = nodes.Length + 2,
StartTime = DateTime.Now,
StepCoordinationMode = CoordinationMode.Any,
WaitTimes = 0,
FailTimes = 0,
FinishTime = DateTime.Now,
OrderNo = 0,
RowId = Guid.Empty,
StepType = "aa1b00b7cf4e",
TaskId = task.TaskId,
ExecutingMessage = string.Empty,
});
list.AddRange(nodes.OrderBy(ta => ta.OrderNo));
list.Add(new ExecutingNode
{
ResultMessage = task.PushMessage,
StepCount = nodes.Length + 2,
StartTime = DateTime.Now,
StepCoordinationMode = CoordinationMode.Any,
WaitTimes = 0,
FailTimes = 0,
FinishTime = DateTime.Now,
OrderNo = nodes.Length + 1,
RowId = Guid.Empty,
StepType = "aa1b00b7d77f",
TaskId = task.TaskId,
ExecutingMessage = string.Empty,
});
nodes = list.ToArray();
foreach (var node in nodes)
{
context.ExecutingNode = null;
/*第一步*/
if (node.OrderNo == 0)
{
continue;
}
if (node.FinishTime.HasValue)
{
continue;
}
/*最后一步，应该要当完成*/
if (node.OrderNo == task.StepCount + 1 || task.FinishTime.HasValue)
{
task.FinishTime = task.FinishTime.HasValue ? task.FinishTime.Value : DateTime.Now;
task.Status = TaskschedStatus.Finish;
this.executingRepository.Finish(task);
return;
}
var worksteps = new List<KeyValueTuple<IWorkStep, string>>(node.StepCount);
var preMsg = default(IWorkStepMessage);
try
{
if (!this.IsReady(this.engine.Strategy, task, nodes, node, worksteps, out preMsg))
{
return;
}
}
catch (Exception ex)
{
node.ExecutingMessage = ex.GetInnerException().GetFullMessage();
node.FailTimes++;
var timeSpan = this.engine.Strategy.NextTime(task, node, ex);
if (timeSpan != TimeSpan.Zero)
{
task.NextTime = task.NextTime.HasValue ? task.NextTime.Value.Add(timeSpan) : DateTime.Now.Add(timeSpan);
this.executingRepository.Exception(task, node);
return;
}
}
context.RowId = node.RowId;
context.ExecutingNode = node;
if (preMsg is IWorkStepMessageValidator)
{
try
{
((IWorkStepMessageValidator)preMsg).Validate(context);
if (!context.ParamaterResult.IsValid)
{
var sb = new StringBuilder(200);
foreach (var error in context.ParamaterResult.Errors)
{
sb.AppendFormat("the {0} step has error: paramater key is : {1} ,validate result is {2};", node.OrderNo, error.MemberName, error.ErrorMessage);
}
var finishNodes = new List<ExecutingNode>(nodes.Count());
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = sb.ToString();
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return;
}
}
catch (Exception ex)
{
/*这里的导演应该是本引擎执行的异常了，因工作步骤的异常都会记录到每次的任务中*/
this.ResolveLoggerBuilder().Build(typeof(TaskschedEngine)).Error("验证消息参数出错", ex);
}
}
try
{
switch (node.StepCoordinationMode)
{
default:
case CoordinationMode.Any:
{
if (this.ExecuteAny(this.engine.Strategy, task, nodes, node, worksteps, context, preMsg))
{
continue;
}
return;
}
case CoordinationMode.Meanwhile:
{
if (this.ExecuteMeanwhile(this.engine.Strategy, task, nodes, node, worksteps, context, preMsg))
{
continue;
}
return;
}
}
}
catch (Exception ex)
{
/*这里的导演应该是本引擎执行的异常了，因工作步骤的异常都会记录到每次的任务中*/
this.ResolveLoggerBuilder().Build(typeof(TaskschedEngine)).Error("执行本地储存更新失败", ex);
}
}
}
public static void MySetId<TWorkStepMessage>(IWorkStepMessage message, TaskschedNode task)
{
SetTaskId<TWorkStepMessage>.Register().Invoke((TWorkStepMessage)message, task.TaskId);
}
/// <summary>
/// 开始工作
/// </summary>
private bool ExecuteMeanwhile(ITaskschedStrategy strategy, TaskschedNode task, ExecutingNode[] nodes, ExecutingNode node, IList<KeyValueTuple<IWorkStep, string>> worksteps, WorkContext context, IWorkStepMessage preMsg)
{
var finishNodes = new List<ExecutingNode>(nodes.Count());
var messages = new MeanwhileWorkStepMessage();
var msgs = new List<IWorkStepMessage>(nodes.Count());
messages.TaskId = task.TaskId;
IWorkStepMessage msg = null;
var timeSpan = TimeSpan.Zero;
Exception lastException = null;
foreach (var workstep in worksteps)
{
try
{
msg = workstep.Key.Execute(context, preMsg);
if (msg != null)
{
task.AttachState = msg.AttachState;
}
}
catch (Exception ex)
{
lastException = ex;
node.ExecutingMessage = ex.GetInnerException().GetFullMessage();
node.FailTimes++;
timeSpan = strategy.NextTime(task, node, ex);
}
if (msg is EmptyAndAbortedWorkStepMessage)
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}执行了中断行为，消息结果为：{1}", node.OrderNo, ((EmptyAndAbortedWorkStepMessage)msg).Message);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
if (this.MessagePublisher != null)
{
try
{
this.MessagePublisher.PublishMessageAsync(msg);
}
catch
{
}
}
return false;
}
if (msg is EmptyButWaitingWorkStepMessage)
{
var span = strategy.NextWorkTimeOnMessageIsWaiting(task, node);
node.ExecutingMessage = ((EmptyButWaitingWorkStepMessage)msg).Message;
task.NextTime = task.NextTime.HasValue ? task.NextTime.Value.Add(span) : DateTime.Now.Add(span);
this.executingRepository.NextWork(task, node);
if (this.MessagePublisher != null)
{
try
{
this.MessagePublisher.PublishMessageAsync(msg);
}
catch
{
}
}
return false;
}
if (lastException != null && this.MessagePublisher != null)
{
try
{
this.MessagePublisher.PublishMessageAsync(new ExecutingErrorWorkStepMessage() { TaskId = task.TaskId, CommandType = task.CommandType, UserSign = task.UserSign, Exception = lastException, PushMessage = task.PushMessage });
}
finally
{
}
}
if (timeSpan != TimeSpan.Zero)
{
task.NextTime = task.NextTime.HasValue ? task.NextTime.Value.Add(timeSpan) : DateTime.Now.Add(timeSpan);
this.executingRepository.Exception(task, node);
return false;
}
if (msg == null)
{
timeSpan = strategy.NextWorkTimeOnMessageIsNull(task, node, node.WaitTimes + 1);
if (timeSpan != TimeSpan.Zero)
{
node.WaitTimes++;
task.NextTime = task.NextTime.HasValue ? task.NextTime.Value.Add(timeSpan) : DateTime.Now.Add(timeSpan);
this.executingRepository.NextWork(task, node);
return false;
}
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}协同方式为全部,但工作实例{1}返回空消息，执行中断", node.OrderNo, workstep.Value);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
if (msg.TaskId == Guid.Empty)
{
this.SetMessageTaskId(msg, task);
}
msgs.Add(msg);
messages.Messages.Add(this.engine.JsonSerializer.Serialize(new Never.Messages.MessagePacket()
{
ContentType = Never.Messages.MessagePacket.GetContentType(msg),
Body = this.engine.JsonSerializer.Serialize(msg)
}));
}
var mulitePacket = new Never.Messages.MessagePacket()
{
ContentType = Never.Messages.MessagePacket.GetContentType(messages),
Body = this.engine.JsonSerializer.Serialize(messages),
};
context.StepClear();
node.ResultMessage = this.engine.JsonSerializer.Serialize(mulitePacket);
node.FinishTime = DateTime.Now;
task.ProcessPercent = task.StepCount <= 0 ? 100m : ((100 * (task.NextStep) / ((decimal)task.StepCount)).FormatR(2));
if (task.NextStep == task.StepCount)
{
task.FinishTime = DateTime.Now;
this.executingRepository.AllDone(task, node);
}
else
{
task.NextStep = task.NextStep + 1;
this.executingRepository.Done(task, node);
}
if (this.MessagePublisher != null)
{
try
{
foreach (var m in msgs)
{
this.MessagePublisher.PublishMessageAsync(m);
}
}
catch
{
}
}
return true;
}
/// <summary>
///
/// </summary>
/// <typeparam name="TWorkStepMessage"></typeparam>
/// <param name="message"></param>
/// <param name="task"></param>
private void SetMessageTaskId<TWorkStepMessage>(TWorkStepMessage message, TaskschedNode task) where TWorkStepMessage : IWorkStepMessage
{
SetTaskId.SetId(message, task);
}
/// <summary>
/// 检查工作
/// </summary>
/// <param name="strategy"></param>
/// <param name="task"></param>
/// <param name="nodes"></param>
/// <param name="node"></param>
/// <param name="worksteps"></param>
/// <param name="preMsg"></param>
/// <returns></returns>
private bool IsReady(ITaskschedStrategy strategy, TaskschedNode task, ExecutingNode[] nodes, ExecutingNode node, IList<KeyValueTuple<IWorkStep, string>> worksteps, out IWorkStepMessage preMsg)
{
preMsg = null;
/*获取前一个节点信息*/
var preNode = nodes.FirstOrDefault(o => o.OrderNo == node.OrderNo - 1);
var finishNodes = new List<ExecutingNode>(nodes.Count());
if (preNode == null)
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}找不到上一步{1}信息，执行中断", node.OrderNo, node.OrderNo - 1);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
var prePacket = this.engine.JsonSerializer.Deserialize<Never.Messages.MessagePacket>(preNode.ResultMessage);
if (prePacket == null)
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}消息类型不是Never.Messages.MessagePacket，执行中断", node.OrderNo);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
var preMsgType = Type.GetType(prePacket.ContentType);
if (preMsgType == null)
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}消息类型{1}不能在当前环境中找到类型，执行中断", node.OrderNo, prePacket.ContentType);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
preMsg = this.engine.JsonSerializer.DeserializeObject(prePacket.Body, preMsgType) as IWorkStepMessage;
if (preMsgType == typeof(MeanwhileWorkStepMessage))
{
var multiplemsg = new MultipleWorkStepMessage();
multiplemsg.TaskId = ((MeanwhileWorkStepMessage)preMsg).TaskId;
foreach (var msg in ((MeanwhileWorkStepMessage)preMsg).Messages)
{
var pck = this.engine.JsonSerializer.Deserialize<Never.Messages.MessagePacket>(msg);
var pmsg = this.engine.JsonSerializer.DeserializeObject(pck.Body, Type.GetType(pck.ContentType)) as IWorkStepMessage;
multiplemsg.Append(pmsg);
}
}
if (preMsg == null)
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}消息类型{1}不是指定的IWorkStepMessage消息，执行中断", node.OrderNo, prePacket.ContentType);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
var stepTypes = node.StepType.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
string nullStepType = string.Empty;
/*fix guid*/
foreach (var step in stepTypes)
{
var stepType = TemplateWorkStep.Find(step);
if (stepType != null)
{
if (ContainerContext.Current == null)
{
var workstep = Activator.CreateInstance(stepType) as IWorkStep;
worksteps.Add(new KeyValueTuple<IWorkStep, string>(workstep, step));
}
else
{
var workstep = ContainerContext.Current.ServiceLocator.Resolve(stepType) as IWorkStep;
worksteps.Add(new KeyValueTuple<IWorkStep, string>(workstep, step));
}
}
else
{
nullStepType = step;
worksteps.Add(new KeyValueTuple<IWorkStep, string>(null, step));
}
}
if (worksteps.All(o => o.Key == null))
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}所有工作实例不能在当前环境中实例化，执行中断", node.OrderNo);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
if (node.StepCoordinationMode == CoordinationMode.Meanwhile && nullStepType.IsNotNullOrEmpty())
{
foreach (var t in nodes.Where(t => t.OrderNo >= node.OrderNo))
{
if (t.OrderNo == 0 || t.OrderNo == nodes.Length - 1)
{
continue;
}
t.ExecutingMessage = string.Format("当前步骤{0}工作实例{1}不能在当前环境中找到类型，执行中断", node.OrderNo, nullStepType);
finishNodes.Add(t);
}
this.executingRepository.Abort(task, finishNodes.ToArray());
return false;
}
return true;
}
