code: void processBatchWaitTasks() {
  		Channel channel = context.registry.getChannelOrSystem(Model.CHANNEL_BATCH); // channel TedBW or TedSS
  		int maxTask = context.taskManager.calcChannelBufferFree(channel);
  		Map<String, Integer> channelSizes = new HashMap<String, Integer>();
  		channelSizes.put(Model.CHANNEL_BATCH, maxTask);
  		List<TaskRec> batches = context.tedDao.reserveTaskPortion(channelSizes);
  		if (batches.isEmpty())
  			return;
  
  		for (final TaskRec batchTask : batches) {
  			channel.workers.execute(new TedRunnable(batchTask) {
  				@Override
  				public void run() {
  					processBatchWaitTask(batchTask);
  				}
  			});
  		}
  	}
docs: if finished, then move this batchTask to his channel and then will be processed as regular task