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FairRootGroup / FairRoot

C++ simulation, reconstruction and analysis framework for particle physics experiments
http://fairroot.gsi.de
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feat(FairGenericStack): Provide better default functions #1585

Closed ChristianTackeGSI closed 2 months ago

ChristianTackeGSI commented 3 months ago

Instead of letting each derived "Stack" implement everything, provide some basic functionality in FairGenericStack.

Derived classes can just use it, extend it, or completely replace, as they see fit.

Checklist:

coderabbitai[bot] commented 3 months ago
Walkthrough ## Walkthrough The recent changes involve a comprehensive refactoring of track management within the `FairStack` and `MyProjStack` classes. The `fCurrentTrack` member variable and associated methods have been removed, with functionality now relying on centralized methods in `FairGenericStack`. This restructuring aims to enhance encapsulation and maintainability across the codebase. ## Changes | Files | Change Summary | |-------|----------------| | `examples/common/mcstack/FairStack.cxx`, `examples/common/mcstack/FairStack.h`, `fairroot/base/sim/FairGenericStack.h` | Refactored track management in `FairStack`. Removed `fCurrentTrack` and `SetCurrentTrack`, replacing them with methods from `FairGenericStack` to improve encapsulation and clarity. | | `templates/project_root_containers/MyProjData/MyProjStack.cxx`, `templates/project_root_containers/MyProjData/MyProjStack.h`, `templates/project_stl_containers/MyProjData/MyProjStack.cxx`, `templates/project_stl_containers/MyProjData/MyProjStack.h` | Similar refactoring in `MyProjStack`, removing `fCurrentTrack` and related methods to streamline the interface and enhance modular design for track management. | ## Sequence Diagram(s) ```mermaid sequenceDiagram participant User participant FairStack participant FairGenericStack User->>FairStack: PopNextTrack() FairStack->>FairGenericStack: GetCurrentTrackNumber() FairGenericStack-->>FairStack: return current track number FairStack-->>User: return track data ``` ## Possibly related PRs - **#1584**: This PR refactors the `FairStack` class, which is directly related to the changes in the `FairStack` class in the main PR, focusing on track management and simplifying logic. - **#1588**: This PR modifies the `FairGenericStack` class to call `GetCurrentTrackID()` directly, which aligns with the changes in the main PR regarding how the current track is accessed and managed. ## Suggested reviewers - karabowi - fuhlig1
Recent review details **Configuration used: CodeRabbit UI** **Review profile: CHILL**
Commits Files that changed from the base of the PR and between 2c7f45932494a0cb6a385040559f83d0bdd1d95a and 23a39ba54401239c93fefe26ee673852288de595.
Files selected for processing (7) * examples/common/mcstack/FairStack.cxx (4 hunks) * examples/common/mcstack/FairStack.h (0 hunks) * fairroot/base/sim/FairGenericStack.h (3 hunks) * templates/project_root_containers/MyProjData/MyProjStack.cxx (5 hunks) * templates/project_root_containers/MyProjData/MyProjStack.h (0 hunks) * templates/project_stl_containers/MyProjData/MyProjStack.cxx (5 hunks) * templates/project_stl_containers/MyProjData/MyProjStack.h (0 hunks)
Files not reviewed due to no reviewable changes (3) * examples/common/mcstack/FairStack.h * templates/project_root_containers/MyProjData/MyProjStack.h * templates/project_stl_containers/MyProjData/MyProjStack.h
Files skipped from review as they are similar to previous changes (4) * examples/common/mcstack/FairStack.cxx * fairroot/base/sim/FairGenericStack.h * templates/project_root_containers/MyProjData/MyProjStack.cxx * templates/project_stl_containers/MyProjData/MyProjStack.cxx
Additional context used
Learnings (1)
Common learnings
``` Learnt from: ChristianTackeGSI PR: FairRootGroup/FairRoot#1585 File: fairroot/base/sim/FairGenericStack.h:51-55 Timestamp: 2024-09-10T19:05:56.200Z Learning: The `SetCurrentTrack` method in `FairGenericStack` centralizes the responsibility of setting the current track, promoting code reuse and reducing duplication in derived classes. ```
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ChristianTackeGSI commented 2 months ago

How does the move of fCurrentTrack from FairStack to FairGenericStack influence downstream projects, which (for example class PndStack : public FairGenericStack) also declare fCurrentTrack. Will all the project need to get rid of such variable shadowing?

No, they don't need to change anything.

That's why fCurrentTrack is private, so that no deriving classes can see / use it at all. They don't even know it exists. They can only interact with the methods.

And if they don't like any of this, they can override the methods as they already did. No changes should be necessary.

But if they're happy with the "default" implementation, they can strip theirs (like in the templates) and reduce their code sizes.