/// <summary>
/// Acquires a composite PooledServiceActivity that holds a reference to the underlying activity, once you are done
/// working
/// with the activity you must return it to the pool via PushActivity.
/// </summary>
/// <returns></returns>
public PooledServiceActivity PopActivity()
{
PooledServiceActivity result;
lock (_poolGuard)
{
if (_workflowPool.Count == 0)
{
if (_xamlStream == null)
{
result = new PooledServiceActivity(_generation, _workflowActivity);
}
else
{
Activity activity = ActivityXamlServices.Load(_xamlStream);
_xamlStream.Seek(0, SeekOrigin.Begin);
result = new PooledServiceActivity(_generation, activity);
}
}
else
{
result = _workflowPool.Dequeue();
}
}
return(result);
}
/// <summary>
/// Pushes a previously released activity back into the activity pool.
/// </summary>
/// <param name="activity"></param>
public void PushActivity(PooledServiceActivity activity)
{
if (activity != null)
{
lock (_poolGuard)
{
if (activity.Generation == _generation)
{
if (_workflowPool.Count < 10)
{
if (_xamlStream != null)
{
_workflowPool.Enqueue(activity);
}
}
}
}
}
}
/// <summary>
/// Pushes a previously released activity back into the activity pool.
/// </summary>
/// <param name="activity"></param>
public void PushActivity(PooledServiceActivity activity)
{
if (activity != null)
{
lock (_poolGuard)
{
if (activity.Generation == _generation)
{
if (_workflowPool.Count < 10)
if (_xamlStream != null)
_workflowPool.Enqueue(activity);
}
}
}
}
/// <summary>
/// Acquires a composite PooledServiceActivity that holds a reference to the underlying activity, once you are done
/// working
/// with the activity you must return it to the pool via PushActivity.
/// </summary>
/// <returns></returns>
public PooledServiceActivity PopActivity()
{
PooledServiceActivity result;
lock (_poolGuard)
{
if (_workflowPool.Count == 0)
{
if (_xamlStream == null)
{
result = new PooledServiceActivity(_generation, _workflowActivity);
}
else
{
Activity activity = ActivityXamlServices.Load(_xamlStream);
_xamlStream.Seek(0, SeekOrigin.Begin);
result = new PooledServiceActivity(_generation, activity);
}
}
else result = _workflowPool.Dequeue();
}
return result;
}