refactor(Stack): Use more GetParticle (and some override) #1592
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📝 Walkthrough📝 WalkthroughWalkthroughThe pull request introduces modifications to the Changes
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🧹 Outside diff range and nitpick comments (3)
templates/project_stl_containers/MyProjData/MyProjStack.cxx (3)
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210-215: LGTM! Consider adding a comment explaining the primary check.The changes improve encapsulation and add a valuable check to ensure the returned particle is a primary. This enhances the robustness of the method.
Consider adding a brief comment explaining why we check for
part->GetMother(0) < 0to indicate a primary particle. This would improve code readability for future maintainers.TParticle* part = GetParticle(iPrim); +// A primary particle has no mother, so its mother ID should be negative if (!(part->GetMother(0) < 0)) { LOG(fatal) << "MyProjStack:: Not a primary track! " << iPrim; }
433-435: LGTM! Consider usingoverridekeyword for consistency.The change from C-style cast to
static_castimproves type safety and makes the cast more explicit. This is a good practice in modern C++.For consistency with modern C++ practices and to match the PR title "Add override", consider adding the
overridekeyword to this method if it's overriding a virtual method from a base class. This would look like:-TParticle* MyProjStack::GetParticle(Int_t trackID) const +TParticle* MyProjStack::GetParticle(Int_t trackID) const override { if (trackID < 0 || trackID >= fNParticles) { LOG(fatal) << "MyProjStack: Particle index " << trackID << " out of range."; } return static_cast<TParticle*>(fParticles->At(trackID)); }This change would make it clear that this method is intended to override a base class method and would prevent accidental changes to the method signature.
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1-535: Consider broader application ofoverridekeywordThe changes in this PR improve type safety and encapsulation, which is great. However, the PR title mentions "Add override", but we don't see this implemented in the changes reviewed.
Consider reviewing all virtual methods in this class to add the
overridekeyword where appropriate. This would improve code clarity and catch potential errors at compile-time. Here's a script to help identify potential candidates:#!/bin/bash # Find potential virtual methods that could use the override keyword ast-grep --lang cpp --pattern $'class MyProjStack : public FairGenericStack { $$$ $ret $name($args) $const { $$$ } $$$ }'This script will help identify method declarations within the
MyProjStackclass. Review these results and add theoverridekeyword to methods that override virtual methods from the base class.
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📒 Files selected for processing (3)
- examples/common/mcstack/FairStack.cxx (1 hunks)
- templates/project_root_containers/MyProjData/MyProjStack.cxx (2 hunks)
- templates/project_stl_containers/MyProjData/MyProjStack.cxx (2 hunks)
🔇 Additional comments (8)
examples/common/mcstack/FairStack.cxx (4)
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170-174: Improved encapsulation and error handling inPopPrimaryForTrackingThe changes in this method are well-implemented:
- Using
GetParticle(iPrim)instead of direct array access improves encapsulation.- The added check ensures that only primary tracks are processed, enhancing error handling.
These modifications align with good software engineering practices and improve the overall robustness of the code.
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179-184: Improved consistency inGetCurrentTrackThe modification in this method is a positive change:
- Using
GetParticle(FairGenericStack::GetCurrentTrackNumber())instead of direct array access maintains consistency with thePopPrimaryForTrackingmethod.- This change enhances the overall coherence of the code and makes it easier to maintain.
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401-407: Well-implementedGetParticlemethodThe addition of the
GetParticlemethod is a valuable improvement:
- It centralizes the logic for retrieving particles, enhancing maintainability.
- The bounds check on
trackIDprevents potential out-of-bounds access, improving robustness.- This method supports the changes in
PopPrimaryForTrackingandGetCurrentTrack, promoting consistency throughout the class.Overall, this is a well-thought-out addition that improves the code's structure and safety.
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170-407: Overall assessment: Excellent improvements toFairStackclassThe changes introduced in this pull request significantly enhance the
FairStackclass:
- Improved encapsulation and consistency in particle retrieval across multiple methods.
- Enhanced error handling, particularly in ensuring the correct processing of primary tracks.
- Addition of a centralized
GetParticlemethod, which improves maintainability and safety.These modifications collectively contribute to a more robust, maintainable, and consistent codebase. The changes align well with software engineering best practices and should positively impact the overall quality of the FairRoot framework.
templates/project_root_containers/MyProjData/MyProjStack.cxx (4)
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210-214: Improved encapsulation inPopPrimaryForTrackingThe change from directly accessing
fParticles->At(iPrim)to usingGetParticle(iPrim)is a good improvement. It enhances encapsulation by centralizing the particle retrieval logic in theGetParticlemethod, making the code more consistent and easier to maintain.
428-428: Improved type safety inGetParticleThe change from a C-style cast to
static_cast<TParticle*>is a good improvement. It enhances type safety and makes the intent clearer.static_castis the appropriate choice here for the known, compile-time conversion from the baseTObject*(returned byAt()) toTParticle*.
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1-7: Convenient overload added forPushTrackThe addition of this
PushTrackoverload with a defaultsecondparentIDof -1 is a good improvement. It provides a more convenient interface for common use cases where the second parent ID is not needed, while maintaining backward compatibility. This can lead to cleaner code at call sites.
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1-528: Overall improvements to code quality and usabilityThe changes in this file collectively improve the code quality and usability of the
MyProjStackclass. They enhance encapsulation, type safety, and API convenience without introducing breaking changes. These modifications align well with modern C++ best practices and maintain consistency with the existing codebase. Great job on these improvements!
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ChristianTackeGSI
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GetParticle is a thin wrapper. Let's use it more.
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GetParticle is a thin wrapper. Let's use it more.
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