code: public Observable<GeoBackupPolicyInner> getAsync(String resourceGroupName, String serverName, String databaseName) {
          return getWithServiceResponseAsync(resourceGroupName, serverName, databaseName).map(new Func1<ServiceResponse<GeoBackupPolicyInner>, GeoBackupPolicyInner>() {
              @Override
              public GeoBackupPolicyInner call(ServiceResponse<GeoBackupPolicyInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets a geo backup policy.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param serverName The name of the server.
  @param databaseName The name of the database.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the GeoBackupPolicyInner object