(r8) EditingDecideModules < OpsRes

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---+ Editing Decide Modules

_Decide_ modules can be added to the flowchart view via dragging and dropping (see [[EditingCreateModules][Editing Create Modules]] for a demonstration) and edited by double clicking on the module. There are 4 types of _Decide_ modules.

---++ 2-way by Chance

This type of _decide_ module will route entities one of two ways according to a given percentage. The percentage is specifed by the user and relates to the proprotion of entities that are routed to the _True_ exit point.

---++ 2-way by Condition

This type of _decide_ module will route entities one of two ways depending on the condition. There are multiple types of conditions.

---+++ Variable

Arena evaluates a variable-based expression and routes to the _True_ exit point if the expression is true or the _False_ exit point otherwise.
<h3>

Attribute
</h3>

Arena evaluates an attribute-based expression and routes to the _True_ exit point if the expression is true or the _False_ exit point otherwise.

Consider the example of simulating queuing at a supermarket. If the entity attribute _QueueNumber_ is equal to 2 then that entity will be routed to the _True_ exit point which leads to processing at _Counter 2_.

<img width="539" alt="decide_module_model.JPG" src="%ATTACHURL%/decide_module_model.JPG" height="189" />

<img width="448" alt="Decide_module_by_Attribute.png" src="%ATTACHURL%/Decide_module_by_Attribute.png" height="257" />
---+++ Entity Type

Arena will route all of entites of the specifed entity type to the _True_ exit point and all other entity types to the _False_ exit point.

Consider the example of simluation an egg sorting factory. If an egg has the _Entity Type_ 'size 6 egg' then that entity will be routed to the _True_ exit point which leads to the _collection of size 6 eggs_.

---+++ Expression

Arena evaluates the expression and routes to the _True_ exit point if the expression is true or the _False_ exit point otherwise.

---++ N-way by Chance

%RED%Coming soon!%ENDCOLOR%

---++ N-way by Condition

%RED%Coming soon!%ENDCOLOR%

-- Main.MichaelOSullivan - 25 Aug 2009

   * Entity_Type_Decide_Logic.JPG: <br />
     <img src="%ATTACHURLPATH%/Entity_Type_Decide_Logic.JPG" alt="Entity_Type_Decide_Logic.JPG" width='840' height='525' />

   * Entity_Type_Decide_Module.JPG: <br />
     <img src="%ATTACHURLPATH%/Entity_Type_Decide_Module.JPG" alt="Entity_Type_Decide_Module.JPG" width='840' height='525' />

Attachments

Topic attachments
I	Attachment	History	Action	Size	Date	Who
png	Decide_Module_by_Attribute_example.png	r1	manage	37.0 K	2010-01-20 - 22:01	KatTrevor
png	Decide_module_by_Attribute.png	r1	manage	8.1 K	2010-01-20 - 22:01	KatTrevor
jpg	decide_module_model.JPG	r1	manage	9.9 K	2010-01-21 - 02:38	KatTrevor
png	decide_modules_flow_diagram.PNG	r2 r1	manage	4.6 K	2010-01-21 - 02:27	KatTrevor

Topic revision: r8 - 2010-01-26 - KatTrevor

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