driver-core/src/main/com/mongodb/connection/ClusterDescription.java
@Deprecated
    public ServerDescription getByServerAddress(final ServerAddress serverAddress) {
        for (final ServerDescription cur : serverDescriptions) {
            if (cur.isOk() && cur.getAddress().equals(serverAddress)) {
                return cur;
            }
        }
        return null;
    }
@Deprecated
    public ServerDescription getByServerAddress(final ServerAddress serverAddress) {
        for (final ServerDescription cur : serverDescriptions) {
            if (cur.isOk() && cur.getAddress().equals(serverAddress)) {
                return cur;
            }
        }
        return null;
    }
Returns the ServerDescription for the server at the given address

@param serverAddress the ServerAddress for a server in this cluster
@return the ServerDescription for this server
@deprecated Replace with a filter on ServerDescription in the caller