sashapolo commented on a change in pull request #176:
URL: https://github.com/apache/ignite-3/pull/176#discussion_r655288544
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File path:
modules/raft/src/main/java/org/apache/ignite/raft/jraft/util/internal/ThrowUtil.java
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@@ -46,17 +38,50 @@ public static void throwException(final Throwable t) {
throw (E) t;
}
- public static <T extends Throwable> T cutCause(final T cause) {
- Throwable rootCause = cause;
- while (rootCause.getCause() != null) {
- rootCause = rootCause.getCause();
- }
+ /**
+ * Checks if passed in {@code 'Throwable'} has given class in {@code
'cause'} hierarchy
+ * <b>including</b> that throwable itself.
+ * <p>
+ * Note that this method follows includes {@link Throwable#getSuppressed()}
+ * into check.
+ *
+ * @param t Throwable to check (if {@code null}, {@code false} is
returned).
+ * @param msg Message text that should be in cause.
+ * @param cls Cause classes to check (if {@code null} or empty, {@code
false} is returned).
+ * @return {@code True} if one of the causing exception is an instance of
passed in classes,
+ * {@code false} otherwise.
+ */
+ @SafeVarargs
+ public static boolean hasCause(@Nullable Throwable t, @Nullable String
msg, @Nullable Class<?>... cls) {
Review comment:
If you want to indicate that `null` is a valid value for the whole
array, you should write `Class<?> @Nullable... cls` instead
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