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hiddentrue

By using a combination of a dummy task and trigger, we can achieve the effect of 'OR' in time dependencies of different types. This technique will work for any complex dependency and has the added advantage of allowing us to manually free the dependencies via the GUI. 

How can I logically or time dependencies of different types?

Step-by-step guide

It is important to understand how time dependencies work first.

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This effectively means that mixed time dependencies are logically anded'and'ed.

Now suppose we wanted to run the task, at 10.00  *OR* when the date is 1.12.2015.

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  1. For real-time, use the suites times based variables. For further example see: Time Triggers

    Code Block
    trigger TIME >= 1000 or ECF_DATE == 20151201

    For further example see: Time Triggers


  2. This can be done by adding Place each time attribute under a dummy task, and use a trigger

    Code Block
     task dummy_time_trigger
              edit ECF_DUMMY_TASK ""   # Tell server & checking not to expect .ecf file
              time 10:00
    
           task dummy_date_trigger
              edit ECF_DUMMY_TASK ""   # Tell server & checking not to expect .ecf file
              date 1.12.2015
    
           task time_or_date
              trigger dummy_time_trigger == complete or dummy_date_trigger == complete

    By using a combination of a dummy task and trigger, we can achieve the effect of 'OR' in time dependencies of different types. This technique will work for any complex dependency and has the added advantage of allowing us to manually free the dependencies via the GUI.  

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