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[java-completion] CatchTypeProvider: add explanatory comment, use 1 as baseline priority

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GitOrigin-RevId: 29b216f4f3159451129e81d6598e3c9974ff1cb3
This commit is contained in:
Tagir Valeev
2021-09-22 08:47:11 +00:00
committed by intellij-monorepo-bot
parent 8109fbb977
commit ce48b06ff3
1 changed files with 6 additions and 2 deletions
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java/java-impl/src/com/intellij/codeInsight/completion/CatchTypeProvider.java
+6 -2
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@@ -54,15 +54,19 @@ final class CatchTypeProvider {
if (!session.alreadyProcessed(psiClass)) {
LookupElement element = createCatchTypeVariant(tryBlock, (PsiClassType)type);
final int maxNumberOfHopsToConsider = 25;
// Tune priorities for classes in catch:
// 100 = class that exactly matches the thrown type
// 26..50 = superclasses of the thrown type (higher priority = less inheritance hops)
// 1..25 = subclasses of the thrown type (higher priority = less inheritance hops)
int priority = StreamEx.of(preferred)
.mapToInt(aClass -> {
int hops = Math.min(maxNumberOfHopsToConsider, getNumberOfHops(psiClass, aClass));
if (hops >= 0) {
return 25 + maxNumberOfHopsToConsider * 2 - hops;
return 1 + maxNumberOfHopsToConsider * 2 - hops;
}
hops = Math.min(maxNumberOfHopsToConsider, getNumberOfHops(aClass, psiClass));
if (hops >= 0) {
return 25 + maxNumberOfHopsToConsider - hops;
return 1 + maxNumberOfHopsToConsider - hops;
}
return 0;
})