zentol commented on a change in pull request #8259: [FLINK-12325][metrics] Fix
bug in statsd exporter when using negative values
URL: https://github.com/apache/flink/pull/8259#discussion_r280375417
##########
File path:
flink-metrics/flink-metrics-statsd/src/main/java/org/apache/flink/metrics/statsd/StatsDReporter.java
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@@ -216,4 +238,14 @@ public String filterCharacters(String input) {
return chars == null ? input : new String(chars, 0, pos);
}
+
+ private boolean numberIsNegative(Number input) {
+ try {
+ return new
BigDecimal(input.toString()).compareTo(BigDecimal.ZERO) == -1;
Review comment:
I'm wondering whether we could use `return
Double.compare(input.doubleValue(), 0) < 0` instead. This should be sufficient
for our use-cases, and we get around the repeated convert-to-string ->
parse-from-string operations.
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