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[MINOR][BUILD][2.4] Fix 4 misc build warnings #25857

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[MINOR][BUILD][2.4] Fix 4 misc build warnings #25857

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2 changes: 1 addition & 1 deletion common/kvstore/src/main/java/org/apache/spark/util/kvstore/InMemoryStore.java
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Original file line number Diff line number Diff line change
Expand Up @@ -252,7 +252,7 @@ private static <T> Predicate<? super T> getPredicate(

return (value) -> set.contains(indexValueForEntity(getter, value));
} else {
HashSet<Comparable> set = new HashSet<>(values.size());
HashSet<Comparable<?>> set = new HashSet<>(values.size());
for (Object key : values) {
set.add(asKey(key));
}
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6 changes: 3 additions & 3 deletions common/kvstore/src/main/java/org/apache/spark/util/kvstore/KVTypeInfo.java
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Expand Up @@ -124,7 +124,7 @@ interface Accessor {

Object get(Object instance) throws ReflectiveOperationException;

Class getType();
Class<?> getType();
}

private class FieldAccessor implements Accessor {
Expand All @@ -141,7 +141,7 @@ public Object get(Object instance) throws ReflectiveOperationException {
}

@Override
public Class getType() {
public Class<?> getType() {
return field.getType();
}
}
Expand All @@ -160,7 +160,7 @@ public Object get(Object instance) throws ReflectiveOperationException {
}

@Override
public Class getType() {
public Class<?> getType() {
return method.getReturnType();
}
}
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