/// <summary>
/// 获取一个新的采集任务，如果当前繁忙，此方法将会等待
/// </summary>
/// <returns></returns>
private TaskInvoker NewInvoker()
{
var item = TaskInvokerStorage.Instance.Get(this.TaskId);
if (item == null)
{
return(null);
}
var settings = new TaskItemSetting()
{
ScriptFile = System.IO.Path.Combine(this.Context.ExecutePath, item.Script),
Url = item.Url,
TaskInvokerInfo = item
};
this._lock.WaitOne();
TaskInvoker invoker = null;
lock (this)
{
if (this._freeSE.Count > 0)
{
invoker = this._freeSE.Dequeue();
}
if (invoker == null)
{
invoker = new TaskInvoker(this.Context);
this._count++;
}
}
invoker.SetSetting(settings);
Interlocked.Increment(ref this._busyCount);
return(invoker);
}
/// <summary>
/// 设置当前的配置信息
/// </summary>
/// <param name="set"></param>
public void SetSetting(TaskItemSetting set)
{
lock (this)
{
if (this.Status == TaskInvokerStatus.Running)
{
throw new Exception("invoker is busy.");
}
this.Status = TaskInvokerStatus.Init;
}
// 重新初始化执行脚本
if (this.CurrSetting == null || this.CurrSetting.ScriptFile != set.ScriptFile)
{
this._needInit = true;
}
this.CurrSetting = set;
this.Context.TaskInvokerInfo = set.TaskInvokerInfo;
this.Result = new TaskInvokerExecResult();
}
/// <summary>
/// 获取一个新的采集任务，如果当前繁忙，此方法将会等待
/// </summary>
/// <returns></returns>
private TaskInvoker NewInvoker()
{
try
{
var item = TaskItems.Instance.GetExec(this.TaskId);
if (item == null)
{
return(null);
}
var settings = new TaskItemSetting()
{
ScriptFile = System.IO.Path.Combine(this.ExecutePath, item.Script),
Url = item.Url,
TaskInvokerInfo = item
};
this._lock.WaitOne();
TaskInvoker invoker = null;
lock (this)
{
if (this._freeSE.Count > 0)
{
invoker = this._freeSE.Dequeue();
}
if (invoker == null)
{
invoker = new TaskInvoker(this);
this._count++;
}
}
invoker.SetSetting(settings);
Interlocked.Increment(ref this._busyCount);
return(invoker);
}
catch (Exception ex)
{
LoggerProxy.Error(LogSource, "call NewInvoker failed.", ex);
}
return(null);
}
