if(Constants.SPLIT_ALL.equalsIgnoreCase(mode))
return new AllSplitMode();
else if(Constants.SPLIT_MULTI.equalsIgnoreCase(mode))
return new MultiSplitMode();
else if(Constants.SPLIT_SINGLE.equalsIgnoreCase(mode))
return new SingleSplitMode();
else
throw new ProcessEngineException("聚合模式值不正确,Mode="+mode);
}