zoom_in Click to enlarge

Pull Members Up

▲ ▼

language

description Pull Members Up Overview

"Pull Members Up" is an automated code refactoring tool integrated into JetBrains integrated development environments, such as IntelliJ IDEA and PyCharm. It allows software developers to move specific methods, constants, or fields from a derived subclass up to its parent superclass. By elevating shared code to the base class, this operation helps eliminate code duplication and streamline the class inheritance hierarchy. The feature is utilized by software engineers to safely restructure object-oriented codebases without breaking existing functionality.

help Pull Members Up FAQ

What does Pull Members Up do in IntelliJ IDEA?

It moves selected methods or fields from a derived class into a superclass or interface when the class hierarchy supports that change. JetBrains documents it as a way to remove duplicated behavior from subclasses.

Can Pull Members Up move a method into an interface?

Yes, the refactoring can move a member to a superclass, an interface, or an interface’s superinterface when the target is valid. The destination and selected members are chosen in the refactoring dialog.

Where do I find Pull Members Up in JetBrains IDEs?

In IntelliJ IDEA, select the class member and choose Refactor, then Pull Members Up from the main or context menu. The same refactoring family is also documented for JetBrains Rider, while exact availability depends on the IDE and language.

What should I check before pulling a method into a parent class?

Check whether the method depends on subclass-only fields, protected state, or behavior that is not shared by the other subclasses. Run the project’s tests after the refactoring because moving a method changes the inheritance contract even when the code still compiles.