Github user amansinha100 commented on a diff in the pull request:
https://github.com/apache/drill/pull/534#discussion_r71005763
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/server/options/SystemOptionManager.java
---
@@ -251,7 +254,12 @@ public void setOption(final OptionValue value) {
final String name = value.name.toLowerCase();
final OptionValidator validator = getValidator(name);
- validator.validate(value); // validate the option
+ /* If the validator depends on other options */
+ if (validator instanceof DependentTypeValidators) {
--- End diff --
It would be good to avoid doing an instanceof (although sometimes it
becomes unavoidable). Can you see what other changes are needed to achieve
that ? Seems like validate with a second parameter can be implemented by
DependentTypeValidators only and other validators could throw an unsupported
exception.
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