Questions tagged [strategy-pattern]
The strategy-pattern tag has no usage guidance.
17
questions
-1
votes
0answers
28 views
Multiple data sync pattern [closed]
in my project I have to get two different data from the same source. The source is a stream, so data comes continuously and I have to update my copy. I'm not guaranteed that the I need will come with ...
3
votes
4answers
294 views
Is the strategy pattern for 3 variants overuse?
I am curious about it because I talked with a friend about the strategy pattern, and we diverge about when we have to use it.
Our scenario is that I have to build a view component with 3 variants. All ...
-2
votes
1answer
73 views
Modify method behaviour at runtime
I have a scenario where user has multiple filters in a web application and a displayed list of items. In the gui it has multiple FilterGUI that he/she can tune interacting in the browser (these are ...
1
vote
3answers
556 views
Advantages of strategy design pattern versus simple if-else
I am not clear on what advantage does strategy pattern offers over simple if-else.
Example of poor code
//poor code that we all can agree is not the way to go
----- main class -----
String ...
1
vote
1answer
150 views
Strategy Design Pattern vs Inheritance
I have to write a code where i have send some data (call it List of cases) using one of two integration tools (Jitterbit, Mulesoft), with possibility of adding more tools in future.
Integration tool ...
2
votes
1answer
121 views
Is it allowed to include the composition in the compositor in the Strategy Pattern
I have a range of different animals in my zoo such as turtles, birds etc. As they all share a common trait such as either swimming, flying etc., I thought a strategy pattern would be appropriate to ...
14
votes
6answers
6k views
Strategy vs Factory design pattern
I am new to design patterns and working my way through the Factory Method and Strategy patterns. I understand that Factory is a creational pattern and Strategy is behavioral but I struggle to ...
3
votes
3answers
220 views
How to use strategy pattern more effectively?
The problem is the following: I have to download a set of JSON files and convert them to a certain format. There are 5 output formats (Let's call them A, B, C, D, E) and all of the downloaded json ...
2
votes
1answer
154 views
What's the difference between Strategy Pattern and IoC
In both the Strategy Pattern and in Inversion of Control you can exchange parts of an object that allows scalability and easy-to-exchange parts. I am referring to this and this
Both use an interface ...
10
votes
5answers
3k views
Can we completely replace inheritance using strategy pattern and dependency injection?
For example:
var duckBehaviors = new Duckbehavior();
duckBehaviors.quackBehavior = new Quack();
duckBehaviors.flyBehavior = new FlyWithWings();
Duck mallardDuck = new Duck(DuckTypes.MallardDuck, ...
2
votes
2answers
322 views
Strategy pattern and different implementation
I am still learning Design Patterns and I have a situation in my hand. I am developing a simple employee management Python program.
An employee can be a Developer, Senior Developer, Lead Developer, ...
2
votes
2answers
418 views
Strategy/domain object responsibilities
Assume we are in the world of car rental application :)
Let's say that I have 3 types of cars with 2 categories of price:
Car type Price category
------------------------------
Sport ...
3
votes
2answers
1k views
DDD - delegate business rule of domain object to external service
Situation:
I am implementing DDD in my first project and I would like to clarify how to correctly implement strategy pattern (in my case check if API token is active). This is a business rule of ...
2
votes
2answers
572 views
How to implement Strategy pattern for combined behaviours
Strategy pattern solves the necessity of applying a certain algorithm/behaviour depending on the object's type itself. So you can iterate over a bunch of similar objects and call the same function ...
1
vote
3answers
284 views
Strategy Pattern and inheriting boilerplate functionality
I've read that when using the Strategy Pattern, you should stick to composition rather than inheritance. But does this mean that any inheritance at all is bad practice? If there is functionality to be ...
1
vote
2answers
2k views
Implementing strategy pattern via configuration
In my current problem domain, a number of problems seem to lend themselves quite well to the strategy pattern. I have a common, high-level process - let's say it's a sales process - and regardless of ...
2
votes
1answer
1k views
Does my use of the strategy pattern violate the fundamental MVC pattern in iOS?
I'm about to use the 'strategy' pattern in my iOS app, but feel like my approach violates the somehow fundamental MVC pattern.
My app is displaying visual "stories", and a Story consists (i.e. has @...
