tillrohrmann commented on a change in pull request #10829: [FLINK-14853][docs]
Use higher granularity units in generated docs for Duration & MemorySize if
possible
URL: https://github.com/apache/flink/pull/10829#discussion_r366474018
##########
File path:
flink-core/src/main/java/org/apache/flink/configuration/MemorySize.java
##########
@@ -117,7 +121,30 @@ public boolean equals(Object obj) {
@Override
public String toString() {
- return bytes + " bytes";
+ List<MemoryUnit> orderedUnits = Arrays.asList(
+ BYTES,
+ KILO_BYTES,
+ MEGA_BYTES,
+ GIGA_BYTES,
+ TERA_BYTES);
+
+ MemoryUnit highestIntegerUnit = IntStream.range(0,
orderedUnits.size())
+ .sequential()
+ .filter(idx -> bytes %
orderedUnits.get(idx).getMultiplier() != 0)
+ .boxed()
+ .findFirst()
+ .map(idx -> {
+ if (idx == 0) {
+ return orderedUnits.get(0);
+ } else {
+ return orderedUnits.get(idx - 1);
+ }
+ }).orElse(BYTES);
+
+ return String.format(
+ "%d %s",
+ bytes / highestIntegerUnit.getMultiplier(),
+ highestIntegerUnit.getUnits()[1]);
Review comment:
Since this is a rather complex operation, I would suggest to cache the
result similar to what we are doing in `AbstractID`.
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