This shows you the differences between two versions of the page.
faq [2014/01/19 18:03] mbrowne edited question about roles beings stateless |
faq [2014/12/05 14:09] (current) jcoplien |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== Frequently Asked Questions ====== | ====== Frequently Asked Questions ====== | ||
- | - [[What, in short, is DCI?|What, in short, is DCI?]] | + | - [[What is DCI?|What is DCI?]] |
- [[How does DCI relate to MVC?|How does DCI relate to MVC?]] | - [[How does DCI relate to MVC?|How does DCI relate to MVC?]] | ||
- [[What is the relationship between classes, objects, Roles, and Contexts?|What is the relationship between classes, objects, Roles, and Contexts?]] | - [[What is the relationship between classes, objects, Roles, and Contexts?|What is the relationship between classes, objects, Roles, and Contexts?]] | ||
Line 8: | Line 8: | ||
- [[Why can't I reuse a Role across multiple contexts?|Why can't I reuse a Role across multiple Contexts?]] | - [[Why can't I reuse a Role across multiple contexts?|Why can't I reuse a Role across multiple Contexts?]] | ||
- [[Can a Role be played by several different objects in a given Context instantiation?|Can a Role be played by several different objects in a given Context instantiation?]] | - [[Can a Role be played by several different objects in a given Context instantiation?|Can a Role be played by several different objects in a given Context instantiation?]] | ||
+ | - [[Can I rebind roles to objects multiple times over the lifetime of a Context object?| Can I rebind roles to objects multiple times over the lifetime of a Context object?]] | ||
- [[Can I use DCI in Java?|Can I use DCI in Java?]] | - [[Can I use DCI in Java?|Can I use DCI in Java?]] | ||
- [[What is the best DCI language?|What is the best DCI language?]] | - [[What is the best DCI language?|What is the best DCI language?]] | ||
Line 13: | Line 14: | ||
- [[How do I code recursive system operations in DCI?|How do I code recursive system operations in DCI?]] | - [[How do I code recursive system operations in DCI?|How do I code recursive system operations in DCI?]] | ||
- [[Why must roles be stateless?|Why must roles be stateless? i.e. why are they allowed to contain only methods, and not their own data properties?]] | - [[Why must roles be stateless?|Why must roles be stateless? i.e. why are they allowed to contain only methods, and not their own data properties?]] | ||
+ | - [[What is the advantage of distributing the interaction algorithm in the RoleMethods, as suggested by DCI, instead of centralizing it in a Context method?|What is the advantage of distributing the interaction algorithm in the RoleMethods, as suggested by DCI, instead of centralizing it in a Context method?]] | ||
+ | - [[When using DCI with MVC, is it ok to let Views and Controllers play Roles in a Context?|When using DCI with MVC, is it ok to let Views and Controllers play Roles in a Context?]] | ||
+ | - [[Is there a glossary for the DCI terminology?|Is there a glossary for the DCI terminology?]] | ||
+ | - [[Isn't DCI just another software design pattern?|Isn't DCI just another software design pattern?]] | ||
+ | - [[Can Roles be unbound in a Context?|Can Roles be unbound in a Context?]] | ||
+ | - [[Is there any situation where DCI isn't appropriate to use?|Is there any situation where DCI isn't appropriate to use?]] | ||
+ | - [[I have a Use Case written down, and now I'd like to use DCI for implementing it in code. Where do I start?|I have a Use Case written down, and now I'd like to use DCI for implementing it in code. Where do I start?]] | ||
+ | - [[I found a library that claims to do DCI, how can I know that it does?|I found a library that claims to do DCI, how can I know that it does?]] | ||
+ | - [[If a DCI Context should map to a User mental model, does it mean that DCI cannot be used for programming at a lower level than what interacts with a User?|If a DCI Context should map to a User mental model, does it mean that DCI cannot be used for programming at a lower level than what interacts with a User?]] | ||
+ | - [[Can a Context have state?|Can a Context have state?]] | ||
+ | - [[I'm missing a DCI implementation for my favorite language! What to do?|I'm missing a DCI implementation for my favorite language! What to do?]] | ||
+ | - [[It seems like many implementations are using Abstract Syntax Tree rewriting to enable DCI. How does it work?|It seems like many implementations are using Abstract Syntax Tree rewriting to enable DCI. How does it work?]] | ||
+ | - [[Should the actors for a Use Case be represented as roles in the DCI Context for that Use Case?|Should the actors for a Use Case be represented as roles in the DCI Context for that Use Case?]] | ||
+ | - [[What should I do if different users have different mental models|What should I do if different users have different mental models, or one of the stakeholders has a different mental model than an end user?]] | ||
- //Another FAQ topic// | - //Another FAQ topic// | ||
- |