Content © 2019 Florian Hübler // Website Template © 2019 Tania Rascia under MIT License. Alternatively you can directly use Java Enums, which you can use more flexible, but have small restrictions in the integration to the other AnyLogic modules. With them you can have a fixed set of options for a variable / database entry / parameter and do have to worry less about parsing, redundancy and spelling mistakes. But sometimes using agents can be an overkill, an excessive use of memory, or just not really necessary. A beginner user will always use agents because with them it is very easy to define everything graphically. Option Lists make your life easier in AnyLogic. But AnyLogic provides Agents, that are basically predefined classes with several built-in functionalities to work with entities in a simulation model. For the latter you can manually enter the Enum name in the field and still use it, for the database you cannot use it at all. However, there is a restriction compared to the AnyLogic Option List: You will not be able to use this enums for the internal database, and they won't show up in the dropdown for the type defintion of variables.
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The enum you defined in this way in Java code can be referenced in the agents where you defined it and all agents that are inside it. You avoid redundancies and spelling errors by limiting the number of possible entries.Why store such information in an enum and not in a simple String? There are a handful of benefits: ), the job levels in your company (Dishwasher, Cook, Boss). For example the four directions (North, East, South, West), the seven weekdays (Monday, Tuesday. Why and when should I use it?Īs the Java documentation puts it: You should use enum types any time you need to represent a fixed set of constants. That's it, now the Option List is ready to be used. Within an agent you can define variables, events, statecharts, System Dynamics stock and flow diagrams, you can also embed other agents, add process flowcharts. Agent is a unit of model design that can have behavior, memory (history), timing, contacts, etc. By Java convention, the name should start with a capital letter ( Weekday), and the entries are in all caps ( MONDAY). Agents are main building blocks of AnyLogic model. In the AnyLogic Project tab, right click on any entry of your project, then select:Ī window for defining the name of the option list, as well as the entries appears. Also the Option Lists defined in AnyLogic can be shown and edited in the project structure tree. The advantage of the AnyLogic version: it offers a nice little GUI to define enums without the need for Java code. That is because it is actually (almost) congruent to the AnyLogic Option List, which uses Java Enums in the background! If you are familiar with Java, you might be wondering that this sounds like Java Enums.
Sort of like a dropdown, that only allows you to set certain values. Option List is a data type that restricts the possible values of a variable to a number of predefined choices. In this article I will explain the use and benefits of this feature. I didn't use them for quite some time, but since I started, I deploy them in almost any model. The time required to complete the course, if every task and assignment is taken slowly and fulfilled to the maximum, is about 50 hours.There is a lesser known feature in AnyLogic that will allow you to build more structured models: Option Lists. Ultimately, with the knowledge from the course, you will be able to better direct your own developments and act from a more informed position. There are guided examples and assignments to complete, with solutions, all helping to provide insight and develop understanding. Overall, the course is very comprehensive and is organized in a way that enables you to learn what you need, as you need.
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AnyLogic software expert and freelance simulation consultant Felipe Haro has developed a course that introduces AnyLogic simulation modeling software and teaches the basics to get you started. If you cannot attend a training session in person, it is now possible to follow structured learning online.
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But, if you are new to the software, how to get this training? The fact is, a little upfront learning makes model development faster and simpler in the long run. You won’t hear any apologies from the AnyLogic developers about needing to learn some code to get the most from AnyLogic simulation modeling.
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