zstan commented on a change in pull request #484:
URL: https://github.com/apache/ignite-3/pull/484#discussion_r764561301
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File path:
modules/core/src/main/java/org/apache/ignite/internal/util/ArrayUtils.java
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@@ -296,6 +299,21 @@ public static boolean nullOrEmpty(boolean[] arr) {
return nullOrEmpty(vals) ? Collections.emptyList() :
Arrays.asList(vals);
}
+ /**
+ * Converts array to {@link Set}.
+ *
+ * <p>Note that unlike {@link Arrays#asList(Object[])}, this method is
{@code null}-safe. If {@code null} is passed in, then empty set
+ * will be returned.
+ *
+ * @param vals Array of values
+ * @param <T> Array type.
+ * @return {@link Set} instance for input array.
+ */
+ @SafeVarargs
+ public static <T> Set<T> asSet(@Nullable T... vals) {
+ return nullOrEmpty(vals) ? Collections.emptySet() :
Stream.of(vals).collect(Collectors.toSet());
Review comment:
already rewritten:
public static <T> Set<T> asSet(@Nullable T... vals) {
if (nullOrEmpty(vals)) {
return Collections.emptySet();
} else {
HashSet<T> set = new HashSet<>(vals.length);
Collections.addAll(set, vals);
return set;
}
}
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