Introduce MappingCollection interfaces as modifiable views of a tree's internal mapping store
#133
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…e's internal mapping store
Juuxel
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Apr 12, 2025
src/main/java/net/fabricmc/mappingio/tree/MappingCollectionView.java
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modmuss50
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Apr 13, 2025
modmuss50
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Apr 13, 2025
NebelNidas
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Jul 19, 2025
| @Override | ||
| public boolean remove(Object o) { | ||
| assertModifiable(); | ||
| return backing.remove(o); |
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Needs to be handled by the tree instead.
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Contains some Generics fuckery, mostly due to the inability to represent
V extends ElementMappingView super E. This is required since the collection holds elements of typeE, but allows elements of typeVto be added or queried via the*Compatiblemethods. Thankfully the API doesn't need to expose any of these internal shenanigans.A byproduct of the PR's changes is that mapping trees'
addmethods now also accept read-only mapping element views, the code for converting such arguments to the tree's internal representation was already in place; this doesn't change the API semantics.I also moved the
getKindmethods fromMemoryMappingTree's internal mapping entry implementations directly toElementMappingViewand added default implementations for them, used for some minor optimizations in the mapping collections.Supersedes #129.