>From NamespacesInstanceResource :
private boolean doesNamespaceExist(Admin admin, String namespaceName)
throws IOException{
NamespaceDescriptor[] nd = admin.listNamespaceDescriptors();
for(int i = 0; i < nd.length; i++){
if(nd[i].getName().equals(namespaceName)){
return true;
}
}
return false;
}
You can use the above code without triggering exception.
FYI
On Wed, Dec 21, 2016 at 7:15 AM, 小展 <[email protected]> wrote:
> Hi, guys
> In Admin class , we still haven’t a api to check the namespace
> exist . Now , when I want to check a namespace exist in my cluster , I
> use #getNamespaceDescriptor。 If catch NamespaceNotFoundException than
> return false，otherwise return true . I don’t think that’s a good way . And
> I also find in TableNamespceManager class we used
> doesNamespaceExist(final String namespaceName) to check namespace exist .
>
> I don’t know is there I miss something .
>
> If you have better way Or we should add a api ? Please tell me .
