Fix Checker Framework errors

sungshik · sungshik · commit 52099211b079 · 2025-04-01T08:44:23.000+02:00
diff --git a/src/main/java/engineering/swat/watch/impl/overflows/IndexingRescanner.java b/src/main/java/engineering/swat/watch/impl/overflows/IndexingRescanner.java
@@ -73,7 +73,7 @@ private static class PathMap<V> {
         }
 
         public Set<Path> getParents() {
-            return values.keySet();
+            return (Set<Path>) values.keySet();
         }
 
         public Set<Path> getFileNames(Path parent) {
@@ -85,7 +85,7 @@ public Set<Path> getFileNames(Path parent) {
             return apply(this::remove, p);
         }
 
-        private V apply(BiFunction<Path, Path, V> action, Path p) {
+        private @Nullable V apply(BiFunction<Path, Path, @Nullable V> action, Path p) {
             var parent = p.getParent();
             var fileName = p.getFileName();
             if (parent != null && fileName != null) {

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@ private static class PathMap<V> {`
`73`	`73`	`}`
`74`	`74`
`75`	`75`	`public Set<Path> getParents() {`
`76`		`- return values.keySet();`
	`76`	`+ return (Set<Path>) values.keySet();`
`77`	`77`	`}`
`78`	`78`
`79`	`79`	`public Set<Path> getFileNames(Path parent) {`
`@@ -85,7 +85,7 @@ public Set<Path> getFileNames(Path parent) {`
`85`	`85`	`return apply(this::remove, p);`
`86`	`86`	`}`
`87`	`87`
`88`		`- private V apply(BiFunction<Path, Path, V> action, Path p) {`
	`88`	`+ private @Nullable V apply(BiFunction<Path, Path, @Nullable V> action, Path p) {`
`89`	`89`	`var parent = p.getParent();`
`90`	`90`	`var fileName = p.getFileName();`
`91`	`91`	`if (parent != null && fileName != null) {`