tkalkirill commented on code in PR #3565:
URL: https://github.com/apache/ignite-3/pull/3565#discussion_r1557429262
##########
modules/core/src/main/java/org/apache/ignite/internal/wrapper/Wrappers.java:
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@@ -34,4 +36,19 @@ public static <T> T unwrap(Object object, Class<T>
classToUnwrap) {
return classToUnwrap.cast(object);
}
+
+ /**
+ * Unwraps an object or returns {@code null} if it's {@code null}.
+ *
+ * @param object Object to unwrap.
+ * @param classToUnwrap Class which is to be unwrapped.
+ * @see #unwrap(Object, Class)
+ */
+ public static @Nullable <T> T unwrapNullable(@Nullable Object object,
Class<T> classToUnwrap) {
Review Comment:
I saw that method `java.lang.Class#cast` will return `null` if `null` is
passed to it, I think we can change the signature of
`org.apache.ignite.internal.wrapper.Wrappers#unwrap` or add a check to it.
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