That's an interesting use-case, but not supported this way yet.The EL constants 
HOUR,DAY,MINUTE etc will resolve to either the nominal time of the coordinator 
action or the current time, based on whether your dependencies are using 
coord:current(n) or coord:latest(n) respectively. You might have to adjust your 
'n' value to say e.g. coord:current(-4) to achieve the desired effect.
Mona
 


     On Tuesday, October 27, 2015 7:49 PM, 王猛 <[email protected]> wrote:
   

 For example ,  URL in dataset is  “/${HOUR}" and current HOUR=10:00 , can
we use it to generate time 6:00 ?  such as  ${HOUR-4} or  ${HOUR}-4 ? or
other methods ?  Thanks.

  

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