[HDDS-5452] Add link method to ContainerStateMachine for Ratis streaming

[kaijchen]

What changes were proposed in this pull request?

Add link method to ContainerStateMachine for Ratis streaming.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-5452

How was this patch tested?

CI test will be added after the client is ready.

[szetszwo]

+1 the change looks good.

Ozone datanode may store the log index somewhere using the link(..) method. This can be done later if there is a need.

[szetszwo]

@ckj996 , there is a windbags warning. Please take a look. Thanks.

[kaijchen]

@szetszwo Hi, I have fixed it. Can you please approve the workflow? Thanks.

[szetszwo]

Re-commit this for fixing the commit message format.

commit 97cb05c2eafc4a33001e739737a2064dd623f6a9 (HEAD -> HDDS-4454, origin/HDDS-4454)
Author: Kaijie Chen <[email protected]>
Date:   Sun Jul 18 12:18:10 2021 +0800

    HDDS-5452. Add link method to ContainerStateMachine for Ratis streaming (#2422)

@ckj996 , please use the standard commit message next time. Thanks.

[kaijchen]

@ckj996 , please use the standard commit message next time. Thanks.

Sure.

Btw, I forgot to add the @Override annotation, shall we fix that?

[szetszwo]

Btw, I forgot to add the @Override annotation, shall we fix that?

Sure, let's add the @OverRide annotation when we change the file next time.

[kaijchen]

Btw, I forgot to add the @Override annotation, shall we fix that?

Sure, let's add the @OverRide annotation when we change the file next time.

I've fixed it in HDDS-5481(#2451).