Enhance the java doc of dubbo-cluster module

[carryxyh]

Enhance the java doc of dubbo-cluster module.

Related project: https://github.com/apache/incubator-dubbo/projects/2

[carryxyh]

#2884

[khanimteyaz]

@carryxyh could you assign this issue to me.

[carryxyh]

Seems like I can't assign to u because u are not a committer or a PMC.
I can't find u at the assignees list.
But u can direct do this and send pr. I will take a look. :)

[khanimteyaz]

No worries, I mark myself in this issue in comment secntion, so that we can avoid double spend.

[khanimteyaz]

@khanimteyaz working on it.

[danielamorais]

I'm not sure if this issue is been fixed but I can work on it if @khanimteyaz is not available. Let me know if I should try to work on other issues

[khanimteyaz]

Hi, Please you start working on this. Due to time crunch I am not able work on this. thanks for your cooperation.

…

On Friday, March 15, 2019, Daniela Marques de Morais < ***@***.***> wrote: I'm not sure if this issue is been fixed but I can work on it if @khanimteyaz <https://github.com/khanimteyaz> is not available. Let me know if I should try to work on other issues — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#2991 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AdXcPf_c_sHLGRLYD6tEvlukQp2XuQhtks5vW72qgaJpZM4ZXltN> .

[danielamorais]

I'll work on this

[carryxyh]

Very nice of u. @danielamorais
Looking forward to your pr.