(r4) EditingHoldModules < OpsRes

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---+ Editing Hold Modules

_Hold_ modules belong to the _Advanced Process_ template (if you cannot find this template you may need to [[AttachArenaTemplate][attach it]]). After you have added a _Hold_ module by dragging it onto the flowchart view, you can edit it by double clicking. You can change the _Name_ of course, but the main functionality is determined by the _Type_. There are 3 types of _Hold_ module and we will discuss each one of them separately.

---++ Wait for Signal

This hold stores entities in a queue until a unique signal is recieved during the simulation. Each time the signal is received an entity leaves the _Hold_ module queue.
---++ Scan for Condition

This hold stores entities in a queue until a condition is satisfied. However, the _Hold_ module ONLY checks this condition WHEN A CALENDAR EVENT OCCURS. If the condition is true then the first entity in the queue may leave the _Hold_ module. This generates a new event and the condition is checked again. Each time the condition is true an entity leaves the _Hold_ module queue.

---++ Infinite Hold

This hold stores entities in a queue infinitely while the simulation is running.

-- Main.MichaelOSullivan - 25 Aug 2009
   * Hold_Scan_for_Condition.PNG: <br />
     <img src="%ATTACHURLPATH%/Hold_Scan_for_Condition.PNG" alt="Hold_Scan_for_Condition.PNG" width='320' height='263' />
Topic revision: r4 - 2010-02-03 - KatTrevor
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