Github user joewitt commented on the issue:
https://github.com/apache/nifi/pull/1002
@trixpan from DRY/readability perspective consider creating the builder
ahead of the if/else. So an alternative approach would look like this
(formatting aside)
`
ValidationResult.Builder builder = new
ValidationResult.Builder().valid(false).input(null).subject(descriptor.getDisplayName());
builder = (descriptor.getDisplayName() != null) ?
builder.explanation(descriptor.getDisplayName() + " is required") :
.explanation(descriptor.getName() + " is required");
results.add(builder.build());
`
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