// 工作线程每一轮循环的实质性工作
public override void Worker()
{
try
{
PropertyTask task = null;
int nRestCount = 0;
// 取出第一个元素
if (this.m_lock.TryEnterWriteLock(m_nLockTimeout) == false)
{
throw new LockException("锁定尝试中超时");
}
try
{
if (this._tasks.Count == 0)
{
return;
}
task = this._tasks[0];
this._tasks.RemoveAt(0);
nRestCount = this._tasks.Count;
}
finally
{
this.m_lock.ExitWriteLock();
}
try
{
lock (syncRoot)
{
this._currentTask = task;
}
if (task.LoadData() == false)
{
return;
}
task.ShowData();
lock (syncRoot)
{
this._currentTask = null;
}
}
finally
{
if (nRestCount > 0)
{
this.Activate();
}
}
}
catch (Exception ex)
{
Program.MainForm.WriteErrorLog("PropertyTaskList Worker() 出现异常: " + ExceptionUtil.GetDebugText(ex));
Program.MainForm.ReportError("dp2circulation 调试信息", "PropertyTaskList Worker() 出现异常: " + ExceptionUtil.GetDebugText(ex));
}
}
// 加入一个任务到列表中
// parameters:
// bClearBefore 清除以前积累的任务。也要中断插入前正在做的任务
public void AddTask(PropertyTask task, bool bClearBefore)
{
if (this.m_lock.TryEnterWriteLock(500) == false) // m_nLockTimeout
{
throw new LockException("锁定尝试中超时");
}
try
{
if (bClearBefore)
{
this._tasks.Clear();
lock (syncRoot)
{
if (_currentTask != null)
{
Task.Factory.StartNew(() => CancelTask(_currentTask));
}
}
}
task.Container = this;
this._tasks.Add(task);
}
finally
{
this.m_lock.ExitWriteLock();
}
// 触发任务开始执行
this.Activate();
}
void CancelTask(PropertyTask task)
{
if (task != null)
{
task.Cancel();
}
}
// 工作线程每一轮循环的实质性工作
public override void Worker()
{
try
{
PropertyTask task = null;
int nRestCount = 0;
// 取出第一个元素
if (this.m_lock.TryEnterWriteLock(m_nLockTimeout) == false)
throw new LockException("锁定尝试中超时");
try
{
if (this._tasks.Count == 0)
return;
task = this._tasks[0];
this._tasks.RemoveAt(0);
nRestCount = this._tasks.Count;
}
finally
{
this.m_lock.ExitWriteLock();
}
try
{
lock (syncRoot)
{
this._currentTask = task;
}
if (task.LoadData() == false)
return;
task.ShowData();
lock (syncRoot)
{
this._currentTask = null;
}
}
finally
{
if (nRestCount > 0)
this.Activate();
}
}
catch (Exception ex)
{
this.MainForm.WriteErrorLog("PropertyTaskList Worker() 出现异常: " + ExceptionUtil.GetDebugText(ex));
this.MainForm.ReportError("dp2circulation 调试信息", "PropertyTaskList Worker() 出现异常: " + ExceptionUtil.GetDebugText(ex));
}
}
// 加入一个任务到列表中
// parameters:
// bClearBefore 清除以前积累的任务。也要中断插入前正在做的任务
public void AddTask(PropertyTask task, bool bClearBefore)
{
if (this.m_lock.TryEnterWriteLock(500) == false) // m_nLockTimeout
throw new LockException("锁定尝试中超时");
try
{
if (bClearBefore)
{
this._tasks.Clear();
lock (syncRoot)
{
if (_currentTask != null)
Task.Factory.StartNew(() => CancelTask(_currentTask));
}
}
task.Container = this;
this._tasks.Add(task);
}
finally
{
this.m_lock.ExitWriteLock();
}
// 触发任务开始执行
this.Activate();
}
void CancelTask(PropertyTask task)
{
if (task != null)
task.Cancel();
}