István Fajth created HDDS-6439:
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Summary: Minor perf optimization in the version enums
Key: HDDS-6439
URL: https://issues.apache.org/jira/browse/HDDS-6439
Project: Apache Ozone
Issue Type: Sub-task
Reporter: István Fajth
Assignee: István Fajth
To avoid using values() all the time when the version is read from proto a
minor optimization was suggested in HDDS-6391, this JIRA is to track this.
The suggestion:
{code}
private static final Map<Integer, DatanodeVersion> BY_PROTO_VALUE =
Arrays.stream(DatanodeVersion.values())
.collect(toMap(DatanodeVersion::toProtoValue, identity()));
public static DatanodeVersion fromProtoValue(int value) {
return BY_PROTO_VALUE.getOrDefault(value, FUTURE_VERSION);
}
{code}
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