Bill commented on a change in pull request #5273:
URL: https://github.com/apache/geode/pull/5273#discussion_r446354173
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File path:
geode-core/src/main/java/org/apache/geode/distributed/internal/membership/InternalDistributedMember.java
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@@ -549,7 +550,7 @@ public void setVersionObjectForTest(Version v) {
}
@Override
- public Version getVersionObject() {
+ public VersionOrdinal getVersionObject() {
Review comment:
Since `IDM` isa `MemberIdentifier` this (overridden) method has to
return a `VersionOrdinal` not a `Version` since, in general, a
`MemberIdentifier` can be for a member that is running an unknown software
version.
I'm renaming `MemberIdentifier.getVersionObject()` =>
`MemberIdentifier.getVersionOrdinalObject()`.
To summarize the state of `IDM` version methods this is what it looks like
now:
```java
// inherited from MemberIdentifier. It has a new name to make the return
type explicit
@Override
public VersionOrdinal getVersionOrdinalObject() {…}
/**
* If this member runs a version known in this JVM then return that
Version.
* If this member does not run a known version then return Version.CURRENT.
*
* In various serialization scenarios we want the well-known version for
this
* member, or, if it doesn't have a well-known version, we want the current
* (in this JVM) software version. Rather than have that logic spread
around in
* the serialization code, it is centralized here.
*/
public Version getVersionObject() {…}
```
We still have lots of ways to get a `Version` from a `short` version
ordinal. `Version` class has these static methods:
* `fromOrdinal(short ordinal) throws
UnsupportedSerializationVersionException`
* `fromOrdinalOrCurrent(short ordinal)`
* `fromOrdinalNoThrow(short ordinal, boolean returnNullForCurrent)`
There is some unfortunate duplication in those methods. Consolidating that
logic is beyond the scope of this PR.
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