@Override
    protected String getGroupId(final AddPeerRequest request) {
        return request.getGroupId();
    }
AddPeer request processor.

@author boyan (boyan@alibaba-inc.com)
@author jiachun.fjc
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/impl/cli/AddPeerRequestProcessor.java