swagger-api/swagger-codegen

[Java] Generate copy constructor in models

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#3,883 opened on Sep 28, 2016

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 (6 comments) (6 reactions) (0 assignees)HTML (12,701 stars) (5,474 forks)batch import
Client: JavaEnhancement: Generalhelp wanted

Description

Description

Java models should have a way to easily create a clone or copy. Cloneable seems like a bad idea so I think we're probably left with a copy function or copy constructor.

I couldn't find anything in issues search. Has this been suggested before?

Contributor guide

Tech stack
java
Domain
backendtooling
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Java basicsunderstanding of code generation templatesfamiliarity with the project's codebase structure
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35
Research direction
Examine the Java code generation templates, particularly for model classes. Review any comments on this issue for additional context. Consider implementing a copy constructor in the generated Java models, ensuring compatibility with existing serialization and deserialization logic.