Questions tagged [method-chaining]
The method-chaining tag has no summary.
37 questions
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Is the fluent interface pattern suitable in casual scenarios?
In a recent PR, a developer, whom I will call Alice, came across a lot of resistance by a coworker (Bob) because she wrote a utility code unit in a fluent style rather than in a classical style.
In ...
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22
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11
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In a fluent interface with "with", is cloning expected?
In an object oriented language like Java or PHP (other perspectives welcome as well) if I use a fluent interface like this:
my_pizza = (new Pizza).withTopping("pineapple");
another_pizza = ...
- 577
4
votes
1
answer
92
views
Chain of responsibility for a single instance?
I have legacy code and it has a function called initialize and this function calls N amount of methods of same object and these methods are responsible for validating identity of personas.
At each ...
- 167
0
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1
answer
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What's a proper way to call a chain of methods that modify an instance attribute?
I've got an Algorithm class whose responsibility is to find if a given word is in a list of words.
As part of doing that, the algorithm first has to lowercase the words, remove punctuation, and ...
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4
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How to return fluently?
I'm becoming addicted to writing fluently (perhaps incorrectly originally said "declaratively") and I'm taking it to possibly unwise extremes, but the more I write this way the more one thing stands ...
- 355
1
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Should I avoid long method chaining simply to get a variable? [duplicate]
I am working on a game, and I have many instances where I have to do something like this:
Game.getInstance().getEnergyDropManager().getDrops()
Or:
this.dimensionSelector.selectDimension(Game....
- 173
3
votes
2
answers
2k
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Demeter's law vs method chaining: when to use which?
Given this code from the Symfony framework:
use Symfony\Component\HttpFoundation\Request;
public function indexAction(Request $request)
{
$request->isXmlHttpRequest(); // is it an Ajax ...
- 189
7
votes
1
answer
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Is there a better term for "functional method chaining"?
I'm writing a C# style guide for my team and I'm trying to describe the benefits of side-effect-free functional-style methods. I want to include online references to back up the suggestions, but I can'...
- 186
2
votes
1
answer
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Any rules of thumb when to choose method chaining [duplicate]
That question bothers me for years, so, imagine some code that in 99% looks like a non-sequential (order does not matter) list of some specific objects method calls - and those calls are independent ...
- 2,464
0
votes
1
answer
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Method pattern and method coupling
Disclaimer: I am going to write in Python and in the context of web development with Django, but this question is not language nor framework specific.
Let's say I have a PizzaManager class that ...
- 2,266
2
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2
answers
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Long chained method calls contained within an if statement shown on a sequence diagram
Just wondering if there is a good way to do this? Currently i'm performing the method calls as if they were happening prior to the conditional block, then comparing what would be the result in "[...
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3
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0
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210
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Is Nested Structure with Spread Responsibilities Not Logical?
Given the following code snippet in a Laravel Controller:
$this->userRepository->saveByProject(
$this->fileRepository->saveByProject(
$this->metricRepository->...
- 175
3
votes
2
answers
1k
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Law of Demeter and its applicability
Let's say I'd like to perform the following command:
house.getFloor(0).getWall(WEST).getDoor().getDoorknob();
To avoid a NullPointerException, I'd have to do the following if:
if (house != ...
- 1,733
7
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8
answers
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Can "return this" pattern be optimized to no cost performance?
return this (or similar construct) allows method chaining. Lack of it is painful, because you have to write such code (C#):
var list = new List<string>();
list.Add("hello");
list.Add("world");
...
- 1,533
3
votes
1
answer
232
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Reusing an interface or method chaining
I am learning about coding to an interface in OOP programming. I understand you should code to an interface so you can 'swap out' functionality.
However, I have a situation where I feel I can reuse ...
- 235