All Questions
8 questions
5votes
6answers
2kviews
Is it a good idea to return a Builder from a Factory?
I would want to have a builder for creating a complex object, for example Employee. I would want to be able to create my objects in two ways: Case 1. Get Employee with default values Case 2. Get ...
- 221
2votes
2answers
2kviews
Creational design pattern that allows configuration of objects
With the factory pattern we abstract the creation of objects. But what if we need a specific configuration of an object that depends on the calling context? Example: So I have a Builder pattern for ...
- 359
37votes
9answers
18kviews
Why do we need a Builder class when implementing a Builder pattern?
I have seen many implementations of the Builder pattern (mainly in Java). All of them have an entity class (let's say a Person class), and a builder class PersonBuilder. The builder "stacks" a variety ...
2votes
2answers
2kviews
Is it an antipattern to introduce complexity into a builder?
I've looked at various definitions of the builder pattern and whilst there's varying definitions, they tend to be focused on the broad definition of incremental construction. However, it seems that ...
- 211
5votes
1answer
15kviews
Is mixing Builders and Factory pattern a good idea?
I have an object Carconstructed using builder pattern. Issue was a lot of code redundancy. Car.Builder builder = new Car.Builder("Mercedes"); builder.numDoors(carConfig.getNumDoors() ...
14votes
5answers
11kviews
Is it strange for a Builder object to have getter methods?
I have a fairly complex immutable data type that I'm using a builder object to instantiate. Currently, I have a setup where I parse a file, setting various fields in my builder, and then build the ...
- 1,754
23votes
5answers
2kviews
Why would a type be coupled with its builder?
I've recently deleted a java answer of mine on Code Review, that started like this: private Person(PersonBuilder builder) { Stop. Red flag. A PersonBuilder would build a Person; it knows about a ...
- 1,720
2votes
1answer
6kviews
Intelligent builder pattern - different parameters depending on type - generics?
Lets say we have the famous Joshua Bloch Nutrition Builder and we want to change it so it be a bit like dynamic builder which restricts visibility of setters and propably uses generics : public ...
- 121
