vdiravka commented on a change in pull request #1455: DRILL-6724: Convert
IndexOutOfBounds exception to UserException with …
URL: https://github.com/apache/drill/pull/1455#discussion_r214687014
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/RecordReader.java
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@@ -49,4 +50,15 @@
* @return The number of additional records added to the output.
*/
int next();
+
+ /**
+ * Creates {@link UserException} with reader context. Should be analogous to
+ * {@link UserException#dataReadError(Throwable)} with provided context data.
+ * Returns {@code null} if context for a reader is unavailable.
+ *
+ * @param cause a {@code Throwable} to be wrapped into {@code UserException}
+ * @param message message to be passed to resulting {@code UserException}.
Nullable
+ * @return exception with context data
Review comment:
just add `instance` word to clarify that it is not thrown, but returned.
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