Editing Hold Modules

Hold modules belong to the Advanced Process template (if you cannot find this template you may need to 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.

-- MichaelOSullivan - 25 Aug 2009

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Topic revision: r4 - 2010-02-03 - KatTrevor
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