private void StartKeepAlive()
{
var keepAliveRequest = new SendKeepAliveRequest()
{
TaskId = new TaskId(_taskExecutionInstance.ApplicationName, _taskExecutionInstance.TaskName),
TaskExecutionId = _taskExecutionInstance.TaskExecutionId,
ExecutionTokenId = _taskExecutionInstance.ExecutionTokenId
};
_keepAliveDaemon = new KeepAliveDaemon(_taskExecutionRepository, new WeakReference(this));
_keepAliveDaemon.Run(keepAliveRequest, _taskExecutionOptions.KeepAliveInterval.Value);
}