shibd commented on PR #170:
URL:
https://github.com/apache/pulsar-client-cpp/pull/170#issuecomment-1396552263
> If we want to implement AutoClusterFailover and ControlledClusterFailover
in future, we actually don't need to implement a function that returns the
service URL. Instead, we only need to implement the following methods:
Yes, Actually, the `ServiceUrlProvider ` implemented here is just convenient
for the user to return a function in order to get the service URL from
elsewhere.
If we do not expose the set `ServiceUrlProvider`, It's no problem too.
Use `ServiceUrlProvider`
```c++
Client client([]() {
// get service URL from store.
auto serviceUrl = xxx
return serviceUrl;
})
```
`ServiceUrlProvider` is not used
```c++
// get service URL from store.
auto serviceUrl = xxx
Client client(serviceUrl);
```
I exposed it just for ease of use.
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